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Installing a BB, used a torque wrench, got it in there(2 posts)

Installing a BB, used a torque wrench, got it in therebill
Jul 17, 2002 9:52 AM
(wrapped the threads with teflon tape), then installed the crankset, also using a torque wrench to Campy's spec's. When I examined the crankarms in relation to the chainstays, though, I see that the distance to the driveside crankarm is about 1 mm or so (maybe 2 -- hard to measure) less than the distance to the non-drive crankarm. In other words, the crank is not centered completely on the frame. You can sort of see that the BB spindle to the non-drive side is extended a bit more than to the non-drive side, which to some extent is the way it's supposed to be, I think. Is the asymmetry of the crankset a problem?
I have two other bikes, and I see that they are not entirely symmetrical either, although they seem to have the opposite orientation (drive side is further than non-drive side).
I'm thinking that if I didn't notice a problem with the other bikes, then it can't be much of a problem, but I'm looking for the brain trust to weigh in.
No worriesBipedZed
Jul 17, 2002 12:22 PM
Without being able to see your frame I would guess that the frame BB shell is a touch off center from the frame where the chainstays are welded. It all depends on how precisely the frame was aligned in the welding jig before tacking (spot welding in place before actual welding).

This would cause the spindle to be slightly off center as the fixed cup flange flushes against the RHS of the BB shell.

A difference of 1mm is negligable.