- Replacement for a lost axle nut or upgrade for bikes equipped with a castle-style axle nut
- 32mm o.d. x 22mm i.d. x 1.5
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 2000-2007 | Honda | CR125R | |
| 2000-2007 | Honda | CR250R | |
| 2004-2024 | Honda | CRF250R | |
| 2004-2009 | Honda | CRF250X | |
| 2012-2013 | Honda | CRF250X | |
| 2015-2017 | Honda | CRF250X | |
| 2002-2024 | Honda | CRF450R | |
| 2005-2009 | Honda | CRF450X | |
| 2012-2017 | Honda | CRF450X | |
| 2019-2024 | Honda | CRF450X | |
| 2003-2005 | Kawasaki | KX125 | |
| 2003-2007 | Kawasaki | KX250 | |
| 2019-2024 | Kawasaki | KX250 | |
| 2004-2016 | Kawasaki | KX250F | |
| 2018 | Kawasaki | KX250F | |
| 2017 | Kawasaki | KX250F KX252AHF | |
| 2019-2024 | Kawasaki | KX450 | |
| 2006-2016 | Kawasaki | KX450F | |
| 2018 | Kawasaki | KX450F | |
| 2017 | Kawasaki | KX450F KX450HHF | |
| 2004-2024 | Suzuki | RMZ250 | |
| 2005-2024 | Suzuki | RMZ450 | |
| 2009-2024 | Yamaha | YZ250F | |
| 2009-2024 | Yamaha | YZ450F | |