e*thirteen BSA Theaded Bottom Bracket – 83mm For all e*thirteen Base Cranks 24mm Spindle BLK

e*thirteen BSA Theaded Bottom Bracket - 83mm For all e*thirteen Base Cranks with 24mm Spindle Black. e*thirteen Threaded Bottom BracketsBearings feature high performance seals and custom grease specification for top-notch durability and smooth spinning e*t