JT 478 Twinstar Rear Sprocket (JTX478.43GLD) YAMAHA YZ250WR Low-profile design with an overall

Low-profile design with an overall length of 2

FREE LENGTH:89MM

The first modular model on the market to receive the double integral / jet helmet certification

Our Cross Link ventilation system helps to drive fresh air in and circulate it through the helmet for temperature control in warmer climates and is easy to operate with or without gloves

Designed to be powerful

JT 478 Twinstar Rear Sprocket (JTX478.43GLD) YAMAHA YZ250WR Low-profile design with an overallJT 478 Twinstar Rear Sprocket The core of the JT TwinStar is a lightweight aviation grade Ergal 7075 T6 Aluminium, precision made using state of the art laser cutting and CNC machining. The steel outer ring is heat induction hardened to create a sprocket which will last up to six times longer than a standard 7075 T6 aluminium sprocket Fully heat treated for higher wear resistance Meet or exceed OEM standards Optimum design for light weight and strength