I have a cannondale rush and i have the stock fsa mega afterburner bb. I've burnt through two of these bb's already in little time. I have a brand new one installed in already it's creaking.
My local trails have lots of rocks and the Rush has a notoriously low bottom bracket. The rocky terrain is beating up the bb because my cranks are bashing into the rocks and sending shockwaves to the bb bearings.
Any bomb proof, or at least rock proof bb's out there that will last in the conditions I ride.
Mtbr's 2016 Winter Biking GearReviews and Roundups
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Thread: Cannondale bomb proof BB