JT Twinstar Rear Sprocket Honda CR125-500 CRF250-450 83-23 - Red Dual Compound · Yamaha WR450F 2011

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JT Twinstar Rear Sprocket Honda CR125-500 CRF250-450 83-23 - Red Dual Compound · Yamaha WR450F 2011JT TwinStar Rear Sprocket Honda CR125 500 CRF250 450 83 23 RED (48T 51T) STEEL ALUMINIUM HYBRID SPROCKET The core of the JT TwinStar is a 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. Packed in a high quality printed carton