e*thirteen 68/73mm Threaded BSA Bottom Bracket, Black
e*thirteen Threaded Bottom Brackets
e*thirteen's BSA threaded bottom brackets adapt e*thirteen cranks to standard BSA threaded BB shells
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