Machined engineering-grade Delrin inserts for adapting bottom brackets to a different type of crankset spindle.Adapts Shimano Hollowtech II cranks to work with 386 EVO bottom bracketsDerlin adaptors fit between bearings and crank spindleBB30-SPC spacers in
Machined engineering-grade Delrin inserts for adapting bottom brackets to a different type of crankset spindle.
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