RACEFACE BB,B17,CUPSET,41X107X30 (BB92 DH) 83Custom 19 ball flanged retainer bearings. Allow the use of a 30mm spindle with Shimano press fit shells without decreasing ball bearing size.
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product description
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Custom 19 ball flanged retainer bearings. Allow the use of a 30mm spindle with Shimano press fit shells without decreasing ball bearing size.