e*thirteen BSA Threaded Bottom Bracket - 68/73mm, 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