(E-Thru axle hubs). Fits Shimano BB Tool Adaptors TL-FC24 and TL-FC25. Specification Functions: 1/2" Dr. Material: CNC machined hardened steel. Size: ∅55 x 45 mm. SDG Duster P Carbon Rail Saddle. SRAM Powerlock Chain Connector 12-Speed Flat Top.
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