JT Steel Sprockets are manufactured using only the finest grade of C49 high carbon steel for the rear sprockets, and SCM420 chromoly steel alloy for the front sprockets
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 2003-2006 | Kawasaki | KLX125 | |
| 2003-2006 | Kawasaki | KLX125L | |
| 1985-1988 | Suzuki | DR125 | |
| 2003-2009 | Suzuki | DR-Z125 | |
| 2012-2014 | Suzuki | DR-Z125 | |
| 2003-2009 | Suzuki | DRZ125L | |
| 2012-2021 | Suzuki | DRZ125L | |
| 1986-1988 | Suzuki | SP125 | |