Silver

Shimano

<p>Replacement BB for Shimano® HollowTech II road bike cranks.</p><ul><li>Fits 68mm bottom bracket shells</li><li>Includes left and right bottom bracket cups</li><li>(B.C.1.37in. x 24T) english thread</li></ul>

Shimano Tiagra BB-RS500 Bottom Bracket Cups

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Shimano Tiagra BB-RS500 Bottom Bracket Cups

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