REAR SPROCKET TWINRING JTX210.50GR, TWINSTAR ALLOY & STEEL
REAR SPROCKET TWINRING JTX210.50GR, TWINSTAR ALLOY & STEEL. The core is made of lightweight aviation grade Ergal 7075-T6 Aluminium, precision made using state of the art laser cutting and CNC machining. The steel outer ring is heat-induction hardened to create a sprocket which will last up to six times longer than a standard 7075-T6 aluminium sprocket.
- SKU
- SR210-50.JT.TW
- Brand
- JT
- Availability
- In Stock (2)
FULL DESCRIPTION
JT TwinStar Rear Sprocket - 50 Tooth - Green
Experience superior durability and performance with the JT TwinStar rear sprocket. This sprocket is engineered with a high-strength, heat-induction hardened steel outer ring bonded to a lightweight, aviation-grade Ergal 7075-T6 aluminum core.
The advanced construction combines the best of both materials. The aerospace-grade aluminum core, precision manufactured using state-of-the-art laser cutting and CNC machining, ensures a lightweight yet robust design. The steel outer ring undergoes a specialized heat-induction hardening process, significantly extending the sprocket's lifespan – up to six times longer than a standard 7075-T6 aluminum sprocket.
Key Features:
- Durable steel outer ring with heat-induction hardening for extended wear life.
- Lightweight Ergal 7075-T6 aluminum core for reduced unsprung weight.
- Precision laser cutting and CNC machining for optimal accuracy and fit.
- Engineered for a long service life, providing exceptional value.
- Stylish green finish.


