froggy Posted August 25, 2015 Report Share Posted August 25, 2015 I've just grabbed a second hand Cannondale trail 27 29" at a great price. Some of the stock parts I plan on upgrading over time. Such as the brakes, wheels and complete drive train. It may seem like an obvious question. I may be over thinking it. Are standard 26" mountain bike parts compatible with 29" bikes? I'm thinking of buying a set of second hand hope hubs, hydraulic disc brakes and cranks. Do 29" bikes require larger disc rotors, longer crank arms and different/stronger hubs? Or is it Ok to grab a second hand pair of old hope xcs and minis and keep the cost down? Quote Link to comment Share on other sites More sharing options...
ogre Posted August 25, 2015 Report Share Posted August 25, 2015 there isn't a niner specific set of standards; the gear ratios are slightly lower for 9ers due to the taller wheels. my niner has 180 front 160 rear rotors which is the norm on smaller wheeled bikes, so you'll be ok in that regard. just make sure your dropouts are the same standards as whatever hubs your looking at Quote Link to comment Share on other sites More sharing options...
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