Originally Posted by
rosefarts
Fwiw, I rode a 13-29 before I found the 12-30 and it worked fine.
Yes, move the drive side cup .5mm out.
the Chorus driveside cup is flanged - you’ll need a spacer to go between the flange and the BB cup (actually you probably don’t if you unscrew the DS cup ~3/4mm, torque down the NDS cup, then torque the DS cup - but there’ll be a gap around the flange)