e*thirteen T47 Threaded Bottom Bracket - 68/73mm For 30mm Spindle Black

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e*thirteen T47 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