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  1. Calling on all YT owners to join. Post photos, discuss tech, boast about your bike...everyting and anything YT!
  2. Hi, I'm looking for YT Jeffsy owners, at the moment, I have one on loan for a test ride. I am in the market for a trail bike specifically, so this is kinda "the" bike for that style of riding it seems. However, sizing of these things is a pain in the ass. I've noticed (and maybe it's just in the western cape), that arranging demo bikes is not as easy as one would of hope, so it seems bike shops expect you to be happy with a guess based on a chart. According to YT, at 1.89m I could go L or XL. The demo bike I have is a L and it feels pretty good so far (which is 10 minutes!), but I can't really compare it to an XL at this point. What I'd like to know from the Jeffsy owners is: 1. How tall are you in metres & which size did you buy? 2. How has the bike been for you since you've had it? It would be great to hear from the AL owners here, most reviews nowadays always seem to deal with the higher end carbon frames & that's great & gives an indication, but some of us poor folk would love to have some proper reviews around the things the average joe can buy. Thanks in advance!
  3. As has become standard, the Jeffsy boasts Boost 148 rear axle spacing. Cable routing is mostly external apart from the dropper that enters the seat tube just above the bottom bracket junction, and the rear derailleur cable which runs internally. Fortunately, the other cables run neatly on the top of the down tube with guides doing a good job of keeping them in place and minimising excessive rub. As with their Capra and Tues, the Jeffsy makes use of a Virtual 4 Link suspension system that has a progressive suspension design with easy movement through the mid travel and support ramping up close to the end of the range. Unlike the Capra, there is no strut between the downtube and seat tube supporting the linkage. The rocker link bolts are also very neatly hidden under the seat stay. This has freed up some space in the front triangle to fit a small, proprietary water bottle and mount. The mounting and bottle can be added to the bike at checkout and did not come with our test bike. Build Specifications FrameJEFFSY CARBON 29"ForkROCKSHOX PIKE RCT3ShockROCKSHOX MONARCH RT3CranksetRACE FACE TURBINEBottom bracketRACE FACE TURBINERear derailleurSRAM X1ShiftersSRAM X1BrakesSRAM Guide RSCCassetteSRAM XG 1150ChainSRAM PC1130RimsDT SWISS M1700 SPLINETyresONZA IBEXHandlebarsRACE FACE TURBINEGripsRACE FACE LOVE HANDLEStemRACE FACE TURBINEHeadsetACROS AIX-326SeatpostROCKSHOX REVERB STEALTHSaddleSDG CIRCUITActual weight13.23 kg including YT mudguard and Shimano SPD pedals Specification Highs & Lows Lows The wheels are the only have-to upgrade on my list of "Lows". With an inner diameter of 22.5mm (outer diameter: 27mm) the DT Swiss M1700 Spline wheelset is the weakest link on the specification sheet. I swapped these out for a cSixx XCM 29 wheelset which has an inner diameter of 26mm which made a significant difference in terms of the tyre profile, and therefore grip and traction, and stiffness. Wheel deflection was also notably better on the wider carbon cSixx rims.The saddle has proven itself incompatible with my body. I'm not one to shy away from a low profile saddle but, even though I have owned one before, the SDG Circuit was not my idea of a day's fun in the sun. It was simply too narrow and hard and became uncomfortable on longer rides. I first tried Specialized's Power saddle and then their Henge Comp - both of which were comfortable, with the Henge staying on the longest. I have since put one on my Knolly Warden as well. The Rockshox Reverb lever sits in an awkward place. I prefer it to be on the left-hand side below the handlebar, as it is quite a bit easier to push and actuate the dropper without too much movement in your hand. Swapping this out will only follow a wheel upgrade and while I'm at it, I will most likely change it out for RockShox's 1x remote lever. The Race Face Love Handle grips are quite thin and I found them tiring on longer rides. These made way for a set of ODI Rogue grips I had in my spare stash. These were then replaced by SDG Hansolo Lock-On Grips which are also manufactured by ODI. I found these to be a perfect match for all-day rides as well as the shorter, more technical blasts that the Jeffsy is capable of. Highs With the wheels the only exception, the bike arrives kitted out ready to ride. Great tyres, nice wide bar with a short stem, solid suspension in the Pike fork and Monarch shock, and a dropper seatpost as standard. Simply put, the bike comes very well specced straight out of the box, and even more so considering the asking price and capability. On the Trail At 179cm with an 84cm inseam (77cm saddle height) the large size with its 445mm reach was a perfect fit with the stock cockpit. Size-specific rears are a nice touch with the L and XL running chainstays being 5mm longer than the S and M.The YT Jeffsy does a remarkable job of being capable and well-balanced in both the high and low geometry settings. You won't hate climbing and just riding along in the low setting and you won't loath descents and technical sections in the high setting. Some bikes, when dropped to the low setting and fully geared towards descending, are a real battle with climbing and/ or pedal strikes. Conversely, some bikes in the high setting actually feel too upright, which leads to a drop in confidence when railing corners. Although the differences, and certainly the benefits of each setting can be felt, the bike is competent in either setting. It is a capable climber and makes light work of climbs even with the all-mountain Onza Ibex tyres. I settled on a shock setup that leaned towards plush, running 25% to 30% sag. This had me using platform damping on my way to the top on longer rides. Through rough stuff the rear is nicely isolated from braking, keeping the suspension active when needed. Stay off the brakes for as long as you dare and the bike rewards with good old fashion fun. Overall traction and grip are excellent with the tyres and suspension doing a great job of keeping up with the dialled geometry and balanced feel. As mentioned above, I swapped the wheels out for a carbon wheelset that was both wider and lighter. This elevated the ride even further and is certainly something I would recommend to those looking to eke every last drop of fun out of the bikeSimply put, the YT Jeffsy 29 is an incredibly fun and capable bike. So much so that between the mountain bikes I have at my disposal (Knolly Warden Carbon, Momsen VIPA Trail, and Momsen ST-F29) it was the bike I rode the most this year. Compared to other bikes reviewed this year, the Jeffsy was the one I always liked to come back home to and quickly became my benchmark bike. It transcends categories as it will happily be your play pal and do duty on race day should you choose to. If you participate in stage races often enough you can add a lighter wheel & tyre combo to the mix and still cash in on the fun bits. Thanks to the 29er wheel size and balanced suspension it will cover distance with ease, with the only real drawback being its weight on very long rides involving serious climbing. But I'm saying this as a comment to the marathon crowd in comparison to a race focused steed, so not really natural territory for the Jeffsy. The reason for highlighting that is to try and convey just how capable this bike is, and just how suited it will be for a large portion of riders out there. If you're a trail rider at heart who does the odd race or two, this could be the bike for you. If however you are a racer who rides trails as part of your training only, then maybe look at one of the excellent 120mm 29ers out there. As mentioned in my 3-month update, the only reliability niggle I've had was with the SRAM Guide RSC brakes that suffered a technical issue. Since they have been warrantied they have been faultless and performed as expected. The rest of the bike has been as reliable as man's best friend. Verdict When he reviewed the YT Jeffsy, Nick Webb concluded: "In my reviews, I try to not get too carried away with emotions but with it being Valentine’s Day, I’m allowed to make an exception. I really love Jeffsy! The bike strikes a remarkable balance between an all-day kilometre eater, and big mountain shredder. No matter where you point the Jeffsy, it manages to excite. The Jeffsy has gone straight to the top of my “if you could have only one bike” list."That is about as spot on as it can be for how I feel about this bike. It is fun, it is capable, it is fast (up, down and around) and it is a looker. Thanks to YT Industries direct to consumer model, it also offers great specification for the money and if you're happy to spend a bit extra to get it exactly how you want it, you could have yourself the perfect all round bike. If I could have only one bike, one bike to do it all with, it would be this one. Or an Evil The Following. Time for an upgrade? Buy or sell new and used mountain bikes in our classifieds here.
  4. YT Industries are best known for their freeride legends Cam Zink and Andreu Lacondeguy, and also have top downhill racer, Aaron Gwin on their books. The launch of the mini-downhill Capra enduro bike made waves with its excellent performance paired with a great value offering. A mid-travel 29er trail bike might not fit YT's image but it makes complete sense for them to approach this huge market. In reality, most people simply can’t or don’t want to ride like Lacondeguy or Gwinn. Click here to view the article
  5. YT Industries did a great job with their somewhat strange “ ” advertising campaign leading up to the announcement of the bike. The campaign set the internet abuzz, discussing what the final form of Jeffsy might be. My guess was a trail bike but I had expected to see it fitted with a 27.5 wheel size. Going 29er might be seen as a bold move but it's something we’re seeing more and more of. The frame The Jeffsy is a 140mm trail bike designed around 29-inch wheels. While the Jeffsy looks similar to the Capra, it does appear as if the bigger brother hogged all the food, giving the Jeffsy a more slender build. Unlike the Capra, there is no strut between the down tube and seat tube supporting the linkage. The rocker link bolts are also very neatly hidden under the seat stay. This has freed up some space in the front triangle to fit a small water bottle. The mounting and bottle can be added to the bike at checkout and did not come with our test bike. The Jeffsy makes use of the same Virtual 4 Link suspension found on the longer travel Capra and Tues. The design uses a pivot just in front and below the rear axles with the seat stays connecting to the seatpost with a short link on their way to the shock mounting. As expected from a YT bike, the suspension travel is progressive with easy movement through the mid travel and support ramping up close to the end of the range. The Jeffsy is bang up to date making use of Boost 148 rear axle spacing. Interestingly, YT has decided not to go Boost on the front axle, meaning the front wheel is not as stiff as it might have been. Not that I noticed any unnecessary flex, to be honest. Cable routing is mostly external with the exception of the path through the down tube for the rear derailleur. The drive side seat stay comes with a useful integrated slap guard. There are no ISG mounts for a bash guard but in single chainring mode, the front derailleur mounts are suitable to run an upper chain guide. Geometry The Jeffsy’s geometry can be adjusted using a flip chip that changes the bottom bracket height, head angle, and seat tube angle. In the high setting, the head angle sits at 67.6°, bottom bracket drop is 24 mm, and the seat tube angle is 75,3°. In the low setting, the head angle slackens by 0.7° to 66,9° with the seat tube angle at 74,7° and the bottom bracket is lowered by 8 mm. The idea is to have a better climbing, more agile turning bike with better clearance in the steep setting. Flipping the switch should turn the Jeffsy into a slightly more capable bike for rowdier trails, but makes it a touch more sluggish on the ups. The Jeffsy flip chip found on the shock mount in the seat stay is used to adjust the geometry. The flip chip forms part of the shock mounting at the end of the seatstays. To change it between modes requires the removal of the mounting bolt. While a relatively simple task, it does take a couple of minutes and is not ideal for constant changing on a ride. While the reach on a large Jeffsy is modern at 445 mm, the number isn’t pushing boundaries. Chainstay length varies depending on the frame size with small and medium frames measuring 435 mm and large and extra large bikes sporting 440 mm chainstays. YT do this to balance the change of the upsized front triangles and keep the bike feeling as it is designed to. Components The Jeffsy CF Pro is the range topping model constructed with a full carbon frame, Fox Factory suspension and a SRAM single chainring drive system.Shock: At the centre of the suspension system is the Fox Float DPS Float Factory shock with EVOL extra volume. It proved to be up to the task with sensitive and smooth travel throughout testing. Fork: The Fox 34 plays a difficult role as a trail fork filling the gap between the purpose built 32 and 36 forks. While not as light as an XC fork, it’s also thinner than the beefier 36 all mountain fork. There is, however, little sign of compromise in the 34 and I was able to confidently take on any piece of the trail without the fork feeling out of its depth. I know there will be those that cry out for a 36 on this bike but I really did not see the need. Drivetrain: The SRAM X01 drivetrain with a Race Face Next SL crankset is not an uncommon combination and has proved to be reliable. The top of the range Jeffsy CF Pro was revealed just after the announcement of SRAM’s 12 speed Eagle groupset, meaning it was a tight squeeze to specify the bike with these components. This, however, has been addressed and the updated CF Pro now boasts X01 Eagle components. Wheelset: The wheelset is a carbon pair of DT Swiss XMC 1200 Spline. The wheels proved to be tough with predictable steering and excellent power transfer. The carbon rims played a huge part in the feel of the bike. The inner rim width is 24 mm which some might expect to be too narrow but in reality, I never felt like I needed anything wider.Tyres: At Bike Hub, we like the Onza Ibex. It provides good, reliable grip with a sturdy casing that can take a beating. In the 2.4 inch size on the Jeffsy, the Ibex allows you to explore the boundaries of the bike and your skills without fear of the tyres letting you down. Brakes: The SRAM Guide Ultimate brakes are the top tier in the Guide range. They offer lightweight with powerful braking and a comfortable lever. Out on the trails, however, they felt very similar to the heavier Guide RSC and RC models which is not to say the Ultimate’s are bad, rather that the lower model Guides are outstanding. Controls: The Renthal Fatbar is a reminder of the gravity roots of YT Industries and signals the type of riding this bike is built for. The 780 mm width and 30 mm rise is spot on for my tastes and is paired with suitable length 60 mm stem in the large and extra large sizes (the medium and small get 50 mm stems). The CF Pro features a RockShox Reverb with a healthy 150mm of travel, the small size is a bit shorter at 125 mm.Since we received the Jeffsy CF Pro for review, YT Industries refreshed the specifications across the range. The new CF Pro model underwent a number of component changes including X01 Eagle, Guide RSC brakes, E*Thirteen TRS+ wheelset, and Fox Performance level suspension. YT also introduced a CF Pro Race model which now takes the place of the CF Pro at the top of the range. Specifications: FrameJeffsy Carbon 29"ForkFox 34 Float FactoryShockFox Float DPS FactoryHeadsetAcros AIX-326CranksetRace Face Next SLBottom BracketRace FaceRear DerailleurSRAM X01ShiftersSRAM X01CassetteSRAM XG 1175ChainSRAM PCX1BrakesSRAM Guide UltimateDiscsSRAM Centreline 200mm / 180mmGripsRace Face Love HandleWheelsetDT Swiss XMC1200 SplineStemRenthal ApexHandlebarRenthal Fatbar Carbon BlackSeatpostRockShox Reverb StealthSaddleSDG CircuitFrame sizesS / M / L / XLClaimed weight11,9 kg Building the bike: While you can buy almost anything online these days, new bikes are still generally an exception. YT Industries are one of the few bike companies taking advantage of this retail channel and sell their bikes direct to the public through their website.This does, however, mean that you need to unbox and build the bike yourself. While I can't think of a better way to get to know your new bike, I acknowledge that not everyone has the time, skills, or interest for the job. Thankfully, YT Industries have given this a lot of thought and have made the process (almost) fool proof. When you cut the tape and open the box, an instruction manual sits on top. The manual is very clearly written with picture examples to guide you through the build. Pulling the bike out the box, you’ll notice that it can stand freely on the cardboard cut-outs attached to the front and rear axles, creating a bike stand to build the bike. YT have done their best to set up the bike in their factory but they leave the fitting of the wheels, rear derailleur, handlebar, and pedals (not included) up to you. Some adjustment might be needed to the brakes and shifters to get your preferred angle of attack.The tyres came inflated with tubes - understandably leaving sealant in the tyres while in storage is not really an option. Conveniently, a full conversion is not required, as the rims arrive with tubeless tape installed and there are two tubeless valves included in the box. So all that is required is to remove the tubes, insert the tubeless valves, and throw in some sealant. On the trail Even for a trail bike, the Jeffsy flies up the climbs. YT managed to restrain the urge to go super slack and long with the geometry. You do not feel stretched out on the Jeffsy with a more upright position than some other bikes, giving you a good position for pedalling. It’s a bike that you can easily spend all day riding without feeling uncomfortable.The suspension provides a good pedalling platform even when fully open. I switched between the open and medium shock compression on technical climbs but did prefer the firm setting when climbing long jeep track ascents. Trail bikes need to set themselves apart from slacker, longer travel all-mountain bikes in their ability to climb, and the Jeffsy impressed in this department. For what it’s worth, I managed a number of Strava PRs climbing at Jonkerhoek, a regular test ground where I’ve done a significant amount of riding on cross-country climbers. YT are known for their great descending bikes and the Jeffsy is no different. But instead of just creating a mini Capra, the Jeffsy has a unique feel and character: one more suited to trail riding. Where the Capra has the ability to dumb down the trail, and requires fast speeds to feel lively, the Jeffsy requires a lot less to start feeling exciting. The Jeffsy manages to communicate a sense of consequence- a little reminder that your actions on the trail have meaning. There is a sense of achievement that comes with this, which I really like. In the South African context, this bike makes perfect sense. Don’t get me wrong, the Jeffsy has the ability to dispatch with the most demanding trails and can pull you out of some sticky situations when mistakes happen or skills are lacking. But, at the same time, it is also endless fun on the most mundane trails. The Jeffsy transformed the Constantia Greenbelts for me, with the springy suspension encouraging me to boost every root or mound of dirt in sight. I simply wanted to ride the Jeffsy on every and any trail. This for me is the magic of the Jeffsy. Many sceptics will probably point to the 29-inch wheels, so let's address that. The bigger wheels rolled superbly over rocks and roots, and the bulky tyres paired with the large circumference wheels created mountains of grip. It is often said that the downfall of big wheels is agility in cornering, but the Jeffsy proves otherwise. While I do concede that this may be true in some cases, modern geometry frame design is starting to close the gap on smaller wheels. Also, in the context of South African trails, with significantly less steepness and more open, flowing trails than you might find overseas, the benefits of large wheels on mid-travel trail bikes is a no brainer. Flipping the chip to change the geometry had a real impact on the characteristics of the bike. In high mode, it was notably better at climbing with some detriment to my confidence on more technical terrain. In the low setting, climbing was less sharp when accelerating up short punchy climbs on single track, but grinding out open climbs felt much the same. The slacker angles in the low setting improved descending over drops and rough terrain but the bike remained agile in the turns. For reference, I started out with the chip on the high setting but ended up leaving the bike on low setting. I’m a rather fit rider, so I figured I would play to my strengths and go with the benefits of slacker geometry to help me through some of the gnarlier sections. But that said, I would be happy to ride in either mode for most trails. Conclusion In my reviews, I try to not get too carried away with emotions but with it being Valentine’s Day, I’m allowed to make an exception. I really love Jeffsy! The bike strikes a remarkable balance between an all day kilometre eater, and big mountain shredder. No matter where you point the Jeffsy, it manages to excite. The Jeffsy has gone straight to the top of my “if you could have only one bike” list. ProsA grin-inducing ride Well suited geometry Climbing and descending are equally good Competitive pricing across the range Online direct order from the local franchise ConsMoney can buy you happiness Your local bike shop might be grumpy Long term test bike YT Industries have provided us with a Jeffsy CF Comp 1 for long term review this year.Iwan Kemp will be riding it during this time and reporting back with an in-depth review in the second half of the year. I'm interested to see if he enjoys it as much as I did. Find out more: To learn more about the YT Jeffsy and other YT bikes, visit the YT Industries website here.You can also follow the latest news from YT Industries on the following channels: Facebook - YT Industries Twitter - @yt_industries Instagram - @yt_industries
  6. Not even one month after presenting the new 2017 bike range YT is at it again, rolling out another trail bike – the JEFFSY 27. Click here to view the article
  7. Jeffsy 27 CF Pro Race Silver. It was only last year that YT appeared in the all-mountain market, where they made quite an impression. This segment now sees further growth with the arrival of another model: The JEFFSY 27 is the right choice for those seeking an even more agile and playful bike than the JEFFSY 29 – already one of the most fun-loving 29ers on the market. When it comes to getting aggressive, JEFFSY 27 follows in the footsteps of its big brother, too: in giving it a little bit extra travel, the developers made sure this 27.5” bike won ‘t get hung up on rough terrain. It is available with 160mm of travel on the top of the range model, and 150mm on the rest of the line-up. When it comes to suspension travel, the 160mm JEFFSY CF Pro Race is most suited for racing applications, where in addition to pedaling efficiently the bike also needs to have a tad more gravity potential. YT team rider Bryan Regnier will use JEFFSY for several Enduro World Series races this season. https://www.youtube.com/watch?v=MbiR3WqrVAs& When choosing the right wheel size for you, your personal preferences, your riding style, and of course also the terrain you ride all play an important role in the decision. Everybody should decide for themselves which wheel size is most appropriate for them. At the end of the day, it’s not about numbers but about how much fun you’re having on your bike. Everything is what you make of it. Markus Flossmann, CEO. Technical Data The carbon frame weighs in at a scant 2300 grams, while its aluminum counterpart tips the scales at 2900 grams. Just like on the JEFFSY 29, a Flip Chip lets you dial in your ride: in the low position, you get an aggressive, 66-degree head angle and a significant BB drop 15mm). Those who climb a lot might prefer the high position, which yields a 75.5-degree effective seat angle. Naturally, YT’s highly acclaimed V4L suspension layout is also used on JEFFSY 27; it provides great small-bump sensitivity, good mid-stroke support and significant end-stroke progressivity. The BOOST standard was used for the rear axle spacing and the crank in order to provide more space between the chain ring, chain stays, and tire. An E-Type mount makes sure you can always install a front derailleur, even on the single chain ring models. Last but not least, the protectors on the stays help keep drive train noise to a minimum, whilst the discretely integrated alloy “chain suck guides” protect from damage caused by a fallen chain. The Carbon Models The JEFFSY 27 is available in four carbon versions: CF Pro Race, CF Pro, CF One, and CF Two. The top of the line JEFFSY 27 CF Pro Race features only the very best parts, which makes it an ideal choice for racers and pro riders. It is also the only bike in the range that offers 160mm of travel, ready to get rowdy. The Kashima coated FOX Factory suspension components were designed for aggressive trail riding and serious enduro racing, and they are both ready to mix it up with the best. Drivetrain wise the choice felt to e*thirteen being a very reliable and robust cassette for racing with its perfect range of gears. Carbon wheels, crank, and handlebar help keep JEFFSY’s weight really low, this rocket weighs a mere 12.4 kg. Jeffsy 27 CF Pro. Jeffsy 27 CF One. The JEFFSY 27 CF Pro is also a convincing package with extraordinary specs: The FOX Performance Elite suspension shines with top-class responsiveness on aggressive downhill sections as it comes with exact the same damping cartridge as the big brother Factory Series. In fact, the only difference between the Performance Elite fork and the Factory Series are the hard-anodized stanchions. Another eye-catcher on the CF Pro: the SRAM Eagle transmission which with its twelve gears makes the front derailleur superfluous. Those who prefer RockShox suspension will find themselves in great company with the JEFFSY 27 CF One or CF Two. The CF One offers a crisp, 11-speed SRAM transmission while the CF Two provides 2x11 gears via Shimano’s XT group. Jeffsy 27 CF Two. The Aluminum Models When it comes to aluminum, YT offers a choice between the JEFFSY 27 AL One and AL Two. Neither have anything to envy their carbon colleagues, since they are both based on the same frame platform. The user-friendly suspension components are easy to set up and adjust, even for beginners. Both bikes offer 150mm of ready-to-rumble suspension travel front and rear: A RockShox Pike RC fork and Deluxe RT shock on the AL One, and a RockShox Pike RC and Deluxe R on the AL Two. The biggest difference between the two aluminum models is the drivetrain: the AL One features a SRAM X1 1x11 transmission while the AL Two goes 2x11 with SRAM GX. Jeffsy 27 AL One. Jeffsy 27 AL. All models come in S, M, L, and XL sizes and are available to order as of today on the website www.yt-industries.com. At the end of April YT’s Rolling Circus will once again head out with all the different JEFFSY models on a huge test tour of Europe’s trail centers and bike parks. The exact dates and places will be published in March.
  8. http://www.pinkbike.com/news/yt-jeffsy-first-ride.html http://ep1.pinkbike.org/p5pb13350540/p5pb13350540.jpg
  9. With JEFFSY, the guys and gals out of Forchheim attack the Trail Bike category and get rid of prejudices regarding 29ers. YT’s latest bike is definitely the most gravity-capable Trail Bike on the market: a downhill-ready geometry, a voluminous but light frame and a compact silhouette with superb specs. CTO Stefan Willared and his team put in the work of three years to develop JEFFSY. When they started the design for a new bike, it was not their goal to develop a 29er. Their main questions were: What does the perfect Trail Bike even look like? And what is Trail Biking, the YT way? At the beginning, nobody would have thought that they would come up with a 29” bike but they were open to all sorts of different concepts. The guys had one mission on their schedules: Developing a true trail-rocket which is comfortable and smooth to ride on, ready for you to shred hard and still has looks to kill for.After countless tests and variations, they quickly realized that the larger wheels definitely fit in brilliantly with YT’s gravity genes. However, what does this actually mean? The Virtual 4 Link suspension technology, which has already proven itself on the TUES and CAPRA is also equipped on JEFFSY’s rear end. The frame has a downhill-capable geometry and JEFFSY already had observers doubting if they are actually looking at a 29er. The 66,8° head tube angle is one of the most aggressive ones of the Trail Bike category. The low bottom bracket lets you sit directly in the sweet spot of the bike. With the equipped Flip Chip technology, the rider has the option to either ride JEFFSY in a high or low position, the latter responsible for a bigger BB drop and a more aggressive head tube angle. The low stand over height, the wide riser handlebar and the compact chain stays ensure optimal and completely atypical handling for a 29er. YT doesn’t accept any compromises; therefore, the length of the rear triangle is optimized for each frame size. Sounds like JEFFSY is the perfect all-round bike out there. Check the fact sheet: Specs JEFFSY CF Pro The standout highlights of YT’s top of the line model, JEFFSY CF Pro, are the DT Swiss carbon wheels and the potent FOX suspension components, consisting of the FOX Float DPS Factory shock and the FOX 34 Float Factory fork. The 780mm wide carbon handlebar and the carbon cranks complete this high end build. SRAM’s X01 drivetrain shifts precisely and smooth. In case things get a bit hectic, the Guide Ultimate brakes slow the rider down with authority. The JEFFY CF Pro is the no-holds-barred bike for riders who accept no compromises. JEFFSY CF Comp 1 YT’s gravity background runs deep in the specs of the JEFFSY CF Comp 1: RockShox’ PIKE RCT3 fork and Monarch RC3 shock are ready to smoothly take on any root nest or rock garden. The wide RaceFace cockpit provides a maximum of control on wild descents and SRAM’s Guide RSC brakes provide ultimate stopping power. The 1x11 drivetrain calmly shifts into next gear. JEFFSY CF Comp 2 With the JEFFSY CF Comp 2, YT offers a Trail Bike with prime specs. The 2x11 drivetrain allows a wider range of gears to shift through, so there are no excuses for the next uphill section. This carbon bike comes equipped with an entire Shimano XT group that is snappy and reliable, as well as a wide RaceFace cockpit, a RockShox Reverb Stealth, and sturdy 2.4” Onza Ibex tires. JEFFSY AL Comp 1 The aluminium version, JEFFSY AL Comp 1 also gets a full load of dependable parts. RockShox’ Pike RCT3 and Monarch RT3 get riders through gnarly sections with ease and have your back for racing as well. SRAM’S GX 1x11 drivetrain ensures smooth shifting and the Guide RS brakes slow any rider down when things get out of hand. The 2.4” wide tires by Onza not only look good, but also deliver when it is time to send it through the rough stuff. At 13.5 kg the JEFFSY AL is a weapon for any trail and there are still some bucks left for the next bike trip. JEFFSY AL Comp 2 For anybody looking for a wider range of gears, the AL Comp 2 with its 2x11 drivetrain is the right choice. The RockShox Pike RCT3 and Monarch RT3 keep things smooth even in the roughest terrain. When it comes to shifting gears and braking, Shimano’s XT group ensures precise shifting, optimal chain line and excellent reliability. Onza’s 2.4” tires are puncture resistant and offer great traction. Naturally, the RockShox Reverb Stealth is part of the stock JEFFSY AL Comp 2 build. JEFFSY AL The JEFFSY AL is the entry level trail bike available for a killer price: Even with this model, riders can expect top quality specs: Armed with the RockShox Pike RC and Monarch R the bike is ready for the next adventure. A 2x10 drivetrain has a full range of gears to choose from and Shimano’s SLX brakes bring you to a safe stop when needed. The stock build also includes a RockShox Reverb Stealth, a wide RaceFace cockpit, and tough, reliable Onza Ibex tires. JEFFSY is the perfect choice for long trips through the woods, alpine and blocked terrain and rough descents. The 29” wheels and their immense drive let you conquer the steepest mountains with ease. Obstacles are a piece of cake due to the larger wheel diameters- uphill as well as downhill. Hence, JEFFSY is born to rule any trail and offers a whole lot of gravity potential for riders to get wild and rowdy.
  10. So, do you hate JEFFSY? http://www.jeffsy.com/ https://www.youtube.com/watch?v=4y2Ywn9UPNc
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