Hawk External Euro Bottom Bracket
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The Hawk External Euro Bottom Bracket at J&R Bicycles may have been designed with the Pro cyclist in mind, but they will enhance any rider's performance. Lighter and more energy efficient than a standard BB, these ENG threaded bottom brackets are designed to fit on a BSA threaded frame. They will support 24mm cranks like Shimano and FSA and with the addition of Hawk’s adapter kit (sold separately) can be used with 22/24mm SRAM GXP/Truativ cranks.