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Amazon.com : Thinvik Bottom Bracket, BSA 68-73mm English for 24mm Spindle Crank,Compatible with Shimano Crankset : Sports & Outdoors
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Amazon.com : COONIUM BB30 Threaded-Together Ceramic Bearing Press Fit BB Bottom Bracket for 24mm (Compatible with Shimano) or 22/24mm (SRAM GXP) Crank Spindle : Sports & Outdoors
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