Renthal Bakdrev 520 52 ORANGE KTM 03-17 450 EXC-F/450 SX-F 03-17 250 EXC/250 EXC-F/250 SX-F 14-17 250 Freeride 90-17 250 SX 10-17 350 EXC-F/350 SX-F 12-17 350 Freeride/500 EXC 91-16 125 EXC 92-17 125 SX 17 125 XC-W/150 XC-W 08 144 SX 09-17

Twinring® Rear Chainwheels

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