e*thirteen BSA Threaded Bottom Bracket - 68/73mm For 30mm Spindle Black MFPN=11.6218.033.030 Designed for technical XC riding

Designed for technical XC riding in loose to moderate trail conditions

DT Swiss patented Pro Head Reinforcement System (PHR System) is designed to balance the load transferred to the rim

agressive knurling on cones and bolt caps for reduced slippage

Genuine Surly replacement parts for first generation Big Dummy Bags

e*thirteen BSA Threaded Bottom Bracket - 68/73mm For 30mm Spindle Black MFPN=11.6218.033.030 Designed for technical XC ridinge*thirteen BSA Threaded Bottom Bracket 68 73mm For 30mm Spindle Black. e*thirteen Threaded Bottom BracketsBearings 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 TECH SPECS Defined Color Black Bottom Bracket Shell I. D. 1. 37 Spindle