Bottom Bracket Adapter BB30 (PF30) To BSA Road Racing Bike Track Bike Conversion

(NOT normal BB30 which is 42mm). Bike Bicycle BB30 (PF30) to BSA Bottom Bracket Adapter For-Sram 46 To 24mm. This tough Nylon adapter is designed to be pressed into a BB30 (PF30) bottom bracket Shell and will then allow you to fit a normal Threaded style bottom bracket.

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