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Machined engineering-grade Delrin inserts for adapting bottom brackets to a different type of crankset spindle. Adapts SRAM/Truvativ GXP cranks to work with 386 EVO bottom brackets Derlin adaptors fit between bearings and crank spindle BB30-SPC spacers included Spindle Interface Type: TruVativ GXP
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🇺🇸 Ship from USA · On Agora since 2026
$39.95