Polea de desviador SwishTi de ancho estrecho de gran tamaño AL7075-T6 en 12T/14T/16T

SwishTi Narrow-Wide Rear Derailleur Bicycle Oversized Pulley. Weight: approx.12g(12T) / 15g(14T) / 16g(16T). Teeth:12T / 14T / 16T available. Each tooth alternates thickness, narrow wide narrow wide, all the way around the pulley.

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