So I'm having the same problem as the OP, left crank keeps coming loose. Except it isn't coming out horizontally, it just has about 10mm rotational play no matter how hard I tighten the bolt. Cranks fitted by BLB about a month ago with a brand new BB. Fucked?
So I'm having the same problem as the OP, left crank keeps coming loose. Except it isn't coming out horizontally, it just has about 10mm rotational play no matter how hard I tighten the bolt. Cranks fitted by BLB about a month ago with a brand new BB. Fucked?