My Shimano m752 Xt Crank arm with an ES-71 BB loosens on the drive side even when I really tork it. What do you think the problem is?
1, Bad crank arm
2, Stripped bolt
3, damaged bb
4, Just a crappy Crankset
Mtbr's 2016 Winter Biking GearReviews and Roundups
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Thread: XT M752 Crank Arm Comes Loose?