- 52100 bearing steel is used in these rebuild kits for motocross, off-road, and dual-purpose bikes
- Kits include all the bearings, seals, shafts and spacers required for a complete rebuild
- Thrust bearings are replaced with Teflon® bearings, which perform better in dirt and water
- Expansive application chart covers bikes from the 70's to present
- Imported
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 2004-2009 | Yamaha | WR250F | |
| 2011-2013 | Yamaha | WR250F | |
| 2006-2009 | Yamaha | WR450F | |
| 2011-2015 | Yamaha | WR450F | |
| 2006-2023 | Yamaha | YZ250 | |
| 2006-2013 | Yamaha | YZ250F | |
| 2016-2023 | Yamaha | YZ250X | |
| 2006-2009 | Yamaha | YZ450F | |