e*thirteen BSA Threaded Bottom Bracket - 68mm Road/Gravel For 30mm Spindle Black. e*thirteen Threaded Bottom Brackets

Bearings feature high performance seals and custom grease specification for top-notch durability and smooth spinning

e*thirteen threaded BBs cannot be used to retrofit a BB30 crankset onto a BSA threaded frame

Large custom sealed 6806 bearings are replaceable and serviceable