Catena bici strada 50-34T 52-36T doppia catena ruota per guarnitura 8-12 velocità

Colour: Matte Black. Number of teeth: 8-12 speed compatible. Process: One-piece forging, anode sandblasting. Weight:About 165g(50-34T) 167g(52-36T) 171g(53-39T).

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