REAR SPROCKET STEEL JTR897.42SC, LIGHTWEIGHT SELF-CLEANING, JTR89742, JTR897.42 SR897-42
REAR SPROCKET STEEL JTR897.42SC, LIGHTWEIGHT SELF-CLEANING. Part number SR990-42.S.JT.SC. Unique self-cleaning design keeps the contact area clean from dirt and mud while significantly reducing weight. Heat-induction hardened C45 steel lasts up to six times longer than a 7075 aluminium sprocket and greatly extends chain life. Engineered and finished to the highest quality level in black zinc by JT Sprockets. Weight 604g.
- SKU
- SR990-42.S.JT.SC
- Brand
- JT
- Availability
- In Stock (1)
FULL DESCRIPTION
JT JTR897.42SC Lightweight Self-Cleaning Rear Steel Sprocket
Upgrade your motorcycle's performance and durability with the JT JTR897.42SC Lightweight Self-Cleaning Rear Steel Sprocket. Engineered by JT Sprockets, the world's largest sprocket manufacturer, this sprocket sets a new standard for steel rear motocross sprockets.
Key Features:
- Self-Cleaning Design: Features a unique self-cleaning profile that effectively clears dirt and mud from the sprocket and chain contact area, ensuring optimal performance.
- Reduced Weight: Significantly lighter than traditional steel sprockets, contributing to improved acceleration and handling.
- Enhanced Durability: Constructed from C45 steel with heat-induction hardening, providing up to six times longer lifespan compared to 7075 aluminum sprockets.
- Extended Chain Life: The durable construction and self-cleaning design also contribute to a longer service life for your motorcycle chain.
- High-Quality Finish: Expertly engineered and finished in a black zinc coating for superior corrosion resistance and a premium look.
This rear sprocket is designed for riders who demand the best in performance, longevity, and reliability from their motorcycle components.


