REAR SPROCKET 520 51T BK

Fusion Dual Rear Sprocket

• Special hardened and nickel coated steel outer ring
• Will outlast an aluminium sprocket up to 3 times
• 50% less weight compared to a normal steel sprocket
• Aircraft-grade 7075-T6 aluminium carrier
• Precise manufactured outer ring and carrier interlock permanently using a specialized heat-shrink procedure
• Carrier is colour anodized coated for extra durability
• CAD designed, CNC machined and laser cut using state of the art technology
• Engineered and manufactured in the Netherlands