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On the topic of crank length. I'm 5'7 inseam of 30 ish I've been riding 175 on my 26 inch for years. I'm going 29r soon. I always thought shorter quicker turnover cranks would be better for steep technical climbs. From reading these posts, I suppose I've had a misconception in my head.
Any suggestions for my choice in crank length for my 29r? Save some money and just use my current cranks? Any insight is appreciated.
FWIW. While a 29er's wheels-and-tires are definitely heavier than 26er wheels-and-tires, I would anticipate using a lower gear ratio rather than opting for longer crankarms for more leverage OR shorter cranks to achieve a modestly higher cadence ...
Which is a long way of saying that if-I-were-you then 'I' would continue to use 175mm cranks on your 29er ... particularly since 180mm cranks (I don't think 177.5mm cranks are readily available, now) will cost you a premium if only because (AFAIK) you will need to step up to XT-or-XTR cranks instead of SLX/LX/etc. cranks (which are readily available with 175mm crankarms).
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