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Prime's Bottom Bracket Adaptor (BB386-GXP) allows you to run SRAM and Rotor GXP 24/22mm cranksets in BB386 EVO road bike bottom bracket shells with a compatible bottom bracket.
Precision made with the highest quality materials, Prime Bottom Brackets and BB adaptors ensure your cranks run smoother for longer.
Buy Prime Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
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