T47 Bottom Brackets

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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. T47 Outboard threaded bottom brackets are made from machined aluminum, and thread together directly into T47 frames. Cups have outboard bearings, and are typically used in BB shells with widths from 68mm to 100mm. FEATURES: Similar to standard BSA threaded cups; the drive side cup is left-hand thread and the non-drive side cup is right-hand thread Show more