Rear gear aluminium, chain type: 520, number of teeth: 51 (black) fits: YAMAHA WR, YZ 250/450 2005-2023
With their leading edge technology and using only the highest grade of special steel alloys, JT Sprockets produce a full range of superior quality motorcycle front and rear sprockets.
- Aviation-grade 7075-T6 aluminium alloy (Ergal) for lightweight competition sprocket
- Sprocket with "Anti-mud" finish which facilitates the projection of the particles, for a better transmission
- Rear sprocket type: 251
- Chain pitch: 520
- Material: Aluminium
- Rear sprocket teeth count: 51
- Rear sprocket version: Ultra-light
- Colour: Black
- Number of teeth: 51 Teeth