Wheels manufacturing bb30 bottom bracket adaptor for gxp cranks

Machined engineering-grade delrin inserts for adapting bottom brackets to a different type of crankset spindle. adapts sram/truvativ gxp cranks to work with bb30 bottom brackets delrin adaptors fit between bearings and crank spindle item specifications weight 48 bb/frame interface bb30 spindle interface type truvativ gxp bb shell width 68 bb shell width 73