JT Front Sprocket | 12 Tooth | 520 | Steel (JTF1590.12)
- Computer designed to achieve ultimate strength at minimum weight
- JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value
- Every sprocket meets or exceeds the highest possible quality standards
- Heat-treated and beadblasted to reduce material surface tension
- Made with top-quality Japanese C45 high carbon steel and SCM415 chromoly steel alloy NOTE: When installing sprockets that differ from OEM sizes, check for proper clearances before operating.
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 2011 | Gas Gas | EC250 4T | |
| 2013-2015 | Gas Gas | EC250 F | |
| 2013-2015 | Gas Gas | EC300 F | |
| 2013-2015 | Gas Gas | EC450 F | |
| 2001-2009 | Yamaha | WR250F | |
| 2011-2013 | Yamaha | WR250F | |
| 2015-2024 | Yamaha | WR250F | |
| 2008-2020 | Yamaha | WR250R | |
| 2008-2011 | Yamaha | WR250X | |
| 2005-2024 | Yamaha | YZ125 | |
| 2024 | Yamaha | YZ125 50th Anniversary Edition | |
| 2022-2023 | Yamaha | YZ125 Monster Energy Yamaha Racing Edition | |
| 2020-2024 | Yamaha | YZ125X | |
| 2001-2024 | Yamaha | YZ250F | |
| 2024 | Yamaha | YZ250F 50th Anniversary Edition | |
| 2021-2023 | Yamaha | YZ250F Monster Energy Yamaha Racing Edition | |
| 2015-2024 | Yamaha | YZ250FX | |