T47 Inboard Bottom Bracket

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T47 Inboard threaded bottom brackets are made from machined aluminum, and thread together directly into T47 frames. Cups have internal bearings for use in BB shell widths from 68mm to 132mm. Designed to fit 29mm spindles on SRAM DUB cranks Included sleeve fits between cups for added protection, and keeps internal wires from rubbing the crank spindle Show more