ART Dual-components Aluminium/staal ultralicht zelfreinigend achtertandwiel 8000 - 520 Number of rear sprocket teeth:50 30 to 40% lighter than

30 to 40% lighter than its alloy equivalent

A profile designed for the teeth that facilitates the evacuation of the mud and minimizes power losses due to friction between the chain and the rear sprocket

Anti-mud: improved evacuation of mud for maximum and constant efficiency

The steel valves are a direct and cost efficient OEM replacement

Steel kits are made for durability and trouble-free operation

ART Dual-components Aluminium/staal ultralicht zelfreinigend achtertandwiel 8000 - 520 Number of rear sprocket teeth:50 30 to 40% lighter thanDual material sprockets, extremely lightweight and durable; the outer ring is composed of tough 7075 T65A aluminum and a cured steel outer ring for optimized performance.