RFX Pro Series Elite Rear Sprocket Yamaha YZ125-250 YZF250-450 99-20 (Silver) Various Sizes
RFX Pro Series Rear Sprockets are CNC Machined from 7075 aerospace aluminium and feature mud clearing grooves for a longer chain and sprocket life.
RFX sprockets are colour coded for the make of bike and also available in standard silver for each model of bike.
Features:
- Laser etched RFX logo.
- CNC Machined from 7075 aerospace aluminium.
- Mud clearing grooves for longer lasting sprocket life.
- Colour coded for each model of bike.
- CAD Designed profile for lightness.
- Rigid Design increase torsional strength.
- Tighter Tolerances improve performance.
- Colour anodised for that factory bike look.
- Various colours available for all models.
| Bike | Year | Pitch | Part Number |
| YZ 125 | 99-01 | 520 | FXRS 31-48 |
| YZ 125 | 05-20 | 520 | FXRS 31-48 |
| YZ 125 | 02-04 | 520 | FXRS 31-49 |
| YZ 250 | 02-05 | 520 | FXRS 31-49 |
| YZ 250 | 99-01 | 520 | FXRS 31-50 |
| YZ 250 | 05-20 | 520 | FXRS 31-50 |
| YZF 250 | 01-04 | 520 | FXRS 31-48 |
| YZF 250 | 05-11 | 520 | FXRS 31-49 |
| YZF 250 | 12-20 | 520 | FXRS 31-50 |
| YZF 400 | 99 | 520 | FXRS 31-48 |
| YZF 426 | 00-02 | 520 | FXRS 31-48 |
| YZF 450 | 03-04 | 520 | FXRS 31-48 |
| YZF 450 | 10-13 | 520 | FXRS 31-48 |
| YZF 450 | 06-09 | 520 | FXRS 31-49 |
| YZF 450 | 14 | 520 | FXRS 31-49 |
| YZF 450 | 05 | 520 | FXRS 31-51 |
| YZF450 | 15-20 | 520 | FXRS 31-48 |
| WRF 250 | 07-14 | 520 | FXRS 31-50 |
| WRF 250 | 01-06 | 520 | FXRS 31-52 |
| WRF 400 | 99-01 | 520 | FXRS 31-50 |
| WRF 426 | 00-02 | 520 | FXRS 31-50 |
| WRF 450 | 03-20 | 520 | FXRS 31-50 |
