Renthal Off-Road Rear chainwheels are manufactured from a specially enhanced 7075 T6 aluminum alloy produced especially for chainwheeels. This particular alloy has excellent resistance to wear combined with a very high tensile strength.
Renthal chainwheels are designed to withstand the rigors of Motocross and Supercross racing.
The longest lasting most durable off-road sprocket you can buy developed over 5 years.
The unique flat face design keeps weight to a minimum and means the TwinRing's as narrow as a regular chainwheel.
Inner Ring is high strength Ultralight 7075 T6 Aluminium. Outer Ring is Electroless Nickel Coated steel
Outer is expanded at 200 ?C and then fitted to inner, creating a permanent bond for the life of the sprocket
Precision CNC machined to extremely tight tolerances
Available for most popular dirt bikes with a 520 chain in sizes ranging from 47 to 53
Extensively tested by David Knight and Team Honda Off-road