Fisan Posted March 13, 2015 Posted March 13, 2015 Hey Hubbers I'm looking for some advice on a low profile stem - on of those with a negative rise at 17 degrees. Now I know of the handlebar-width-vs-stem-length rule, is there a similar thing that applies to stem angles? I'm currently running a 90mm stem at 6 degrees (negative) and would like to drop it down to 17. Unfortunately, (1) I don't have one to borrow from a friend and (2) don't know if I should use the same length? Additional, I was thinking of getting a Spaz stem - just for that angle-shim-thingy if I decide that I don't like it.
Zeffer Posted March 13, 2015 Posted March 13, 2015 I'd ask my LBS to fit me a few to test in their parking lot. Gonne be a bit tiring on the lower back if you drop the stem. But it looks the it!!!
rudi-h Posted March 13, 2015 Posted March 13, 2015 Just my opinion but such a long stem to start with is already a compromise in terms of handling. A steep negative stem angle will make things worse in terms of riding geometry unless you only intend sticking to dirt roads. That setup will suck on an enduro course.
Wil6 Posted March 13, 2015 Posted March 13, 2015 The lower the better.Is that for trail riding also? Because why do they have riser bars?
rudi-h Posted March 13, 2015 Posted March 13, 2015 Is that for trail riding also? Because why do they have riser bars? nope "the lower the better" strictly applies to dirt roadie-ing. short stems, wide bars, high volume tyres, slack head angles and dropper posts are better for trail riding (did I mention for more fun too...?)
BLACKvoodoo Posted March 13, 2015 Posted March 13, 2015 Is that for trail riding also? Because why do they have riser bars? Riser bars are for people over 60
rock Posted March 13, 2015 Posted March 13, 2015 use this tool to compare the bar drop and the potential lengthening or shortening of the reach http://www.ttbikefit.com/stemcalc.html
Long Wheel Base Posted March 13, 2015 Posted March 13, 2015 These 2 riders are fairly good at cross country riding and they both use them. Just saying.
rudi-h Posted March 13, 2015 Posted March 13, 2015 512x.jpg1220449048_rWBot-M.jpgThese 2 riders are fairly good at cross country riding and they both use them. Just saying. just because martyn ashton could do backflips and bunnyhop over the net of a tennis court with a road bike doesn't make a roadbike the weapon of choice for doing hops or dirt jumps... XC is a high-paced endurance event where 70% of the course time is spent riding steep uphill sections, therefore the bike selection and setup of pro's favour hill climbing way more than the technical stuff. The routes are also rehearsed and riders are able to study lines to make sure that they keep it together and don't OTB on the sections where the going gets rough. If I on the other hand come around a corner on a brand new trail that I've never ridden and find a huge root or rock in my way, I'd prefer having my weight a bit further back and off of my forearms so that I can lift my wheel and hop the obstacle rather than kissing my front tire and eventually the gravel...
V12man Posted March 13, 2015 Posted March 13, 2015 I'm currently running a 90mm stem at 6 degrees (negative) and would like to drop it down to 17. Unfortunately, (1) I don't have one to borrow from a friend and (2) don't know if I should use the same length?I swapped from a 100mm 6degree neg stem to a negative 17 degree stem without changing the stem length - no issues at all.
BenGraham Posted March 18, 2015 Posted March 18, 2015 I'd ask my LBS to fit me a few to test in their parking lot. Gonne be a bit tiring on the lower back if you drop the stem. But it looks the it!!!Just wanted to say that when I put a 50mm stem on my bike I had to convince myself to ride with it. It felt completely alarming. I had read that you need to give them a chance and so I rode the spruit all week with it and endured a couple falls before I made a judgement. Over the course of the week with the wide bars and short stem I gradually learned how to manage the twitchiness and I started to experience the benefits. It made me much more confident but first it scared the pants off me. A parking lot ride isn't going to tell you much. You need singetrack to really know. I got mine free from a friend since I wasn't ready to commit, its a boat anchor and I fully intend to replace it but wow did it make a difference to my bike's handling. Point is when you change your setup you don't know sh*t till you've ridden some singletrack imho. Read all you can and then go try stuff. I bought cheap wide bars and got a free stem so my experiment only cost me R200 and some petrol.
gummibear Posted March 18, 2015 Posted March 18, 2015 Slam that stem http://40.media.tumblr.com/a2160daf6836bdc58858b04124243c5c/tumblr_mx5b9g8Pr41qaythmo2_1280.jpg
gummibear Posted March 18, 2015 Posted March 18, 2015 http://28.media.tumblr.com/tumblr_lpsff8eI9B1qaythmo1_500.jpg
rudi-h Posted March 18, 2015 Posted March 18, 2015 http://28.media.tumblr.com/tumblr_lpsff8eI9B1qaythmo1_500.jpgAbsolutely appalling. Surely there has got to be rules against using that stem!
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