REAR SPROCKET TWINRING JTX808.49GR, TWINSTAR ALLOY & STEEL
The JT TwinStar rear sprocket features a core made from lightweight aviation-grade Ergal 7075-T6 Aluminium, precision manufactured using laser cutting and CNC machining. The steel outer ring is heat-induction hardened, providing up to six times longer wear life compared to standard 7075-T6 aluminium sprockets. This sprocket has 49 teeth and is part of the JTX808 series. It combines aluminium and steel construction.
- SKU
- SR808-49.JT.TW
- Brand
- JT
- Availability
- In Stock (1)
FULL DESCRIPTION
JT TwinRing JTX Rear Sprocket.49T
Experience superior durability and performance with the JT TwinRing JTX rear sprocket. This innovative sprocket combines the lightweight strength of aviation-grade Ergal 7075-T6 aluminum with a heat-induction hardened steel outer ring.
The core is precision-manufactured using state-of-the-art laser cutting and CNC machining, ensuring a perfect fit and optimal power transfer. The hardened steel outer ring is designed to last up to six times longer than a standard 7075-T6 aluminum sprocket, providing exceptional longevity and value.
Key Features:
- Constructed from lightweight aviation-grade Ergal 7075-T6 aluminum core.
- Features a heat-induction hardened steel outer ring for extended lifespan.
- Precision laser cut and CNC machined for high accuracy.
- Designed for superior durability and performance.
- Outlasts standard aluminum sprockets significantly.


