REAR SPROCKET STEEL JTR251.50SC, LIGHTWEIGHT SELF-CLEANING
The next standard in MX durability and efficiency, this rear sprocket features a unique self-cleaning profile that keeps the contact patch clear while trimming weight. Constructed from heat-induction hardened C45 steel, it lasts up to six times longer than 7075 aluminium, protecting your chain and your lap times. Specifications include C45 steel material, 50 teeth, 520 drive chain pitch, and a black colour.
- SKU
- SR245-50.JT.S.SC
- Brand
- JT
- Availability
- In Stock (17)
FULL DESCRIPTION
JT Steel Rear Sprocket - Lightweight Self-Cleaning - 50T
Experience the next level of durability and efficiency with this JT Steel Rear Sprocket. Engineered with a unique self-cleaning profile, it actively clears the contact patch, while its lightweight design contributes to overall performance. Crafted from heat-induction hardened C45 steel, this sprocket is built to last, offering up to six times the lifespan of conventional 7075 aluminum sprockets. This extended durability helps protect your chain and maintain optimal lap times.
Key Features
- Unique self-cleaning design ensures a clear contact area for optimal performance.
- Significantly reduced weight compared to traditional steel rear sprockets.
- Constructed from robust heat-induction hardened C45 steel for superior strength.
- Outlasts 7075 aluminum sprockets by up to 6 times, providing long-term value.
- Helps extend chain life by minimizing abrasive buildup.
- Optimized tooth geometry promotes smooth and efficient power transfer.
Specifications
- Material: Heat-induction hardened C45 steel
- Tooth Count: 50
- Drive Chain Pitch: 520
- Color: Black


