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RobMobius

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  1. I went thru this same process a few months back. I wanted a GPS for MTB that would track my route/ speed etc for analysis later, but also wanted a unit that I navigate with, ie follow a route / track for a rail I had not ridden before. The Edge were more oriented around the prior than the latter. The EDGE 605 and 705 will be ideal but they are going to very expensive. After all my research and bldg bang for buck into the equation I bought a second hand Garmin Etrex Legend. Its small enough to fit on the bike and carry while running. Its not the smallest but small enough. It holds maps (topo and street) but has no auto routing (like the in car navigation systems have). Its taken me a month of playing to figure out all the features and how to best use them but I am very happy. It all has the std features, easy to read display, syncs with my PC. I would recommend it if budget is an issue. If not then go for the edge 705.
  2. There can only be a few reasons for chain slip. You need to work thru them progressively till the problem is solved. 1. Stretched chain 2. Worn cogs 3. Bent / twisted hanger 4. Damaged misaligned rear derailleur 5. Bent frame / chainstays (highly unlikley) 6. Incorrect cable tension. I am no mechanic so I am sure there maybe other factors. I had the same problem. When I took the bike to another LBS they found my rear cogs were worn. My previous LBS had told me they were fine so get a second opinion.
  3. I am finally making progress with this damn injury but I still need some advice. I swapped my clipless pedals for std pedal and I have been riding in takkies lately and been pain free. So now I know is a foot position and bike setup issue. I have noticed that at the top of my pedal stroke the inside of my foot lifts of the pedal (supinates) and my heel pivots towards the bike. Is there a shoe / cleat / pedal that allows for this dynamic 3 dimensional foot movement?
  4. Thanks for the all the advice everyone. Very lekker. I am always blown away by the sense of community on the Hub compared to other forums I am active on. Ronelle I would be keen to hear more about the fat pad theory, perhaps on PM as it might be too boring for the forum?
  5. Ronelle, interesting and novel advice. I have been doing a lot of mobilisation of the TFL, glut med and lateral structures as well as eccentric training of the TFL to try and control the deceleration of the rotation of the lower limb when running. It seems to have helped for running but not riding. Interestingly, since my first serious ride I have had pain and stiffness post ride of the peroneus longus especially on the fibular head and I have been sure that this is involved somehow. This seems to tie in with what you are saying. I spend some time yesterday on spin bike experimenting with different positions and I had some relief moving the saddle back not fwds as you recommend. Can you explain your thinking regarding the seat position and the orientation of the spinal line?
  6. Hi there, I have picked up ITBS in my right leg at the level of my knee. I think it was initially caused by running as I do (used to) a lot of trail running. So I stopped running but kept riding (MTB) and the knee seemed fine. Then on the Karoo2Coast it gave me hell for the last 30km and now I just can't shake it. I have rested and rehabed ( I am a biokineticist so I like to think the rehab was correct). I can now cycle and run but as soon as I up the length or the intensity even by 5 % it hits me again. I am new to the cycling world. This is my first year doing the sport. From a cycling perspective is there anything I should be aware off or doing differently? Thanks
  7. So how long is a piece of string then? I called the rangers in charge of mtn security. They tell me they have had no incidents or complaints in months so they are very upbeat at the moment. Of course we can never have a guarantee (Big H) but its good to know what the current situation is and the likely outcome of riding there. So at the moment things seem relatively calm.
  8. There have been no shocking headlines about muggings on the mtn for a while? Have things improved or are there just no hikers and riders for the guys to mug? I am keen to start riding there again but don't feel like donating my bike to the RDP! Whats the current status quo?
  9. Hi Bug, I have a runx and use the Holdfast 3 bike rack (no towbar). I looked at the Thule but the holdfast seemed just as good for much less. Its super simple to use. I regulary hang 2 MT bikes. I have hung 3 but its a tight fit. But my real concern is the amount of weight hanging on the boot hinges. Just to 1200Km with 2 bikes (K2C) and 150km no problem. My feul consumption was unaffected. For the long trips I take the wheels off and put them inside to reduce the weight on the rack. As I said I am worried about the boot hinges. The rack is plenty strong enough though. The Runx bumper sticks out a fair bit so I don't use the rack closest to the car as its a pain to stop the car from being scratched.
  10. Hi Mtn Lion, Thanks for the link. Most of the time I will just need a datalogger but from time to time I will want to make use of the navigation abilities.
  11. Wow, Popeye, thats awesome. Are the maps compatible with most map enabled GPS's? Thru my kite surfing connections I can get this GPS at a ridiculous price. http://www.locosystech.com/product.php?zln=en&id=5 Its the bomb for speed kiting as the chip is apparently something special and super accurate blah blah etc etc. It is more suited as a tracker than a navigator as the display is basically on over grown digital watch display. It has all the functionality and can link with a PC for mapping. I assume I could download a route to it, from, for eg, Popeye's Jonkershoek map. Obviously it cannot display the map but it can navigate way point wap point along a predefined route. What do you think?
  12. Any one know how or where we can get the results?
  13. I am looking at getting a GPS for MTBing. I have used them extensively for sailing but I am interested in what features are the most important for riding off road. Most of my off road rides are races but I would love to track the route so I can go over it later or redo the ride as a training ride. So for this I need GPS more as a tracker rather than a navigator. The unit would also have to be small enough to attach to the bike, be waterproof and rugged to take the knocks. Battery life would also have to be more than 6 hrs for some of the longer rides. I would assume the unit must also have excellent satellite tracking abilities to cope with forest sections. What about map functionality, necessary? I would expect it not be important as the map software only really covers major (read tar) roads. What specs and models would you recommend? Keeping in my that I don't want to have rebond my house to pay for the unit.
  14. Guilty as charged, one in the same. Kiteboarding and now mountain biking!. I needed something to get me thru the winter. I am hooked! I must say I am not convinced about tubeless. The weight saving is minimal. By the time you have pumped the tire full of the slime you are almost back to the weight of having a tube. I have also come to the rescue to 2 riders on 2 separate races who had blow out with tubeless tyres. They ended up using my spare tubes to get home. My Merida was built up so there is not a single std Merida feature except the frame. But my wheels are heavy so when the budget allows, that will be my first weight saving change. The a lighter crank and bearing I think. I am using cross mark on the back wheel and hutchinson cameleon on the front. See you on the water and on the single track
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