Description
Bottom Bracket BB30 for BB30 PF30 Cranks Optie:BB30 for BB30 PF30 W: 68 73 x ID: 42 mm Stainless Steel Barley and Soy Barley and Soy Details The Alpha knee sleeve uses a breathable perforated neoprene with air plush lining for the front section while the back side uses a dual layer of soft Lycra for extra comfort BB30 bearing set for road bike and mtb Frame width: 68 or 73 mm Frame inner diameter: 42 mm To install BB30 or PF30 cranks CEMA SRC Ceramic wave washer Colour: silver