e*thirteen BSA Threaded Bottom Bracket - 83mm For 30mm Spindle Black Model=SM Enduro Saddle Optimize the way your message

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From Fischer

Using a unique two-piece individually replaceable assembly and a 9t cog the TRS+ provides superior ground clearance in a compact package so you can clean steeper climbs

19mm internal

We have found

e*thirteen BSA Threaded Bottom Bracket - 83mm For 30mm Spindle Black Model=SM Enduro Saddle Optimize the way your messagee*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 Bottom Bracket Shell I. D. 1. 37 BB Frame Interface English BB Shell Width (mm) 83 Weight 96 Spindle Interface Type Zipp Vuma Defined Color Black