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

 Made in Europe