Original Cannondale Hollowgram complete bottom bracket with 125mm spindle for 2017+ SuperX with Ai offset running a 2x chainring configuration.
Kit includes two BB30 bearings in PF30 alloy cups, two Hollowgram SiSL2 crank bolts with steel washers, three 0.5mm BB30 bottom bracket shims, two alloy BB30 bearing shields, one wave washer, one 5.5mm non-drive spacer, one 5.6mm drive side spacer, and one 125mm spindle.