JT TWINSTAR BI-METAL RED SPROCKET BETA 13-26

JT Twinstar bi-metal red sprocket for Beta RR/Xtrainer 125-200-250-300 2T and RR 350-390-400-430-450-480-498 4T from 2013 to 2026

Available teeth number: 45/48/49/50/51

The JT TwinStar Sprocket is a high-performance steel and aluminium hybrid sprocket, designed for strength, durability, and reduced weight.

Lightweight Core: Crafted from aviation-grade Ergal 7075-T6 aluminium, precision-engineered using advanced laser cutting and CNC machining techniques.

Durable Outer Ring: The steel outer ring is heat-induction hardened, providing exceptional wear resistance and a lifespan up to six times longer than standard 7075-T6 aluminium sprockets.