Singletracks Mountain Bike News, Reviews, MTB Trails and Community › Protected: Forums › Mountain Bike Forum › New crankset › Re: New crankset
August 13, 2013 at 19:59
#120322
I imagine 121mm is fine. But when you install the new crank on the new BB, just make sure the small chainring doesn’t hit the frame. I’m sure it’ll be fine, but that’s the concern when getting a shorter BB.