Supersprox Steel Rear Sprocket 40 Tooth (RFE-853-40-BLK)
- Developed on the race track to give longer system life and high performance for street and off-road applications.
- Using CAD designed and CNC-Laser cutting to ensure an exact fit on the wheel.
- One of the lightest steel sprockets on the market.
- Factory styling for a great look.
| Compatible Vehicles | |||
| Years | Make | Model | Notes |
| 1986-1987 | Yamaha | TT350 | |
| 1983-1986 | Yamaha | TT600 | |
| 1999-2006 | Yamaha | TTR250 | |
| 1992 | Yamaha | WR200 | |
| 1991-1997 | Yamaha | WR250 | |
| 1998 | Yamaha | WR400F | |
| 1980 | Yamaha | YZ125 | |
| 1983-1984 | Yamaha | YZ125 | |
| 1986-1998 | Yamaha | YZ125 | |
| 1980-1998 | Yamaha | YZ250 | |
| 1998 | Yamaha | YZ400F | |
| 1980-1981 | Yamaha | YZ465 | |
| 1982-1990 | Yamaha | YZ490 | |