Description
A rear sprocket is one of the highest-wear components on your drivetrain, and JT’s 49-tooth design combines precision engineering with proven durability to keep your power delivery consistent lap after lap. Whether you’re chasing track times or fine-tuning your gearing ratio, this sprocket delivers the strength and reliability you need without unnecessary weight penalty. JT’s heat-treated steel construction and meticulous manufacturing ensure your investment holds up under sustained performance demands.
- Tooth Count: 49T
- Material: Japanese C45 high carbon steel
- Heat-Treated: Yes
- Finish: Beadblasted
- Fitment: Yamaha JT251 compatible
- Installation: Bolt-on
- MPN: JTR251.49SC
- Weight: Standard steel
- Quality Standard: OEM exceeds
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