PINION SPATE ALUMINIU 520 51T BK 620073251

Fusion Dual Rear SprocketSpecial hardened and nickel coated steel outer ringWill outlast an aluminium sprocket up to 3 times50% less weight compared to a normal steel sprocketAircraft-grade 7075-T6 aluminium carrierPrecise manufactured outer ring and carrier interlock permanently using a specialized heat-shrink procedureCarrier is colour anodized coated for extra durabilityCAD designed, CNC machined and laser cut using state of the art technologyEngineered and manufactured in the Netherlands

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