Buje trasero Shimano Nexus Inter-4 SG-4R31 4 velocidades engranaje interno 36h freno de rodillo

May be designed for 110mm spacing. Untested for shifting and braking; internal parts may need service. Axle nuts and washers shown are included; no shifter, cassette joint, or roller brake unit. Only the parts shown in the pictures are included.

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