• Thank you. As are my tolerances with FSA bbs (wearing thin), however the FSA light cranks are so nice.

    While the axle has some slight marks now it seems unlikely that the bbs last long enough to wreck the cranks by grinding material off the axle to start vertical play like the Hollowtechs did.

  • grinding material off the axle to start vertical play like the Hollowtechs did.

    That’s interesting, I hadn’t heard of that mode of failure before with hollowtechs.

  • I've seen it, but only where the bb has been so neglected that the bearing has seized and the crank spindle starts to spin within the bearing.

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