BB Length for Ritchey Compact Cranks - done

kona kid

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Anyone know what length BB I need for my P20 with Ritchey compact cranks?

I've got a 68-120mm Ritchey BB, I based this size on the 97 cat spec but the bikes there use non-compact cranks. However this makes the cranks seem off set, with the drive crank being about 20mm from the chainstay and the non-drive crank about 5mm from the chainstay and the chainline is all wrong...

I know there's nothing wrong with the BB, so either:
1) I've got the wrong size BB, in which case anyone know what size it should be
2) the BB axle is assymetric and I've got it the wrong way around (didn't have time to take it all apart), but the catalogues don't look that way
3) frame is bent, but I'm not considering that one as it too scary (and the frame is NOS), plus I'm happy I've got the cups fitted properly

hope someone can help, as the P20 is all but finished now and I really want to ride it this weekend (hence the urgent bit!)...

EDIT - sheldon brown lists it as 68-110/113 in case anyone wants to know!
 
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