Supersprox

Kit RST245 CST565

Supersprox Chain and Sprocket Set for Yamaha YZ 250 (1999-2013)

Chain & Sprocket Kits

Lifetime warranty

Superprox chain and sprocket set with stock size sprockets. Comes with free Supersprox t-shirt and decal. Your Supersprox sprocket comes with a LIFETIME WEAR GUARANTEE! No matter what sport, what bike, if your Supersprox-stealth sprocket gets worn out you can ask for a "FREE" replacement. Supersprox-stealth is about longer life, without compromising weight. Primary goal, to last 3 times longer than aluminum and remain as light as possible. No concession, it's performance and function first and last. MXU is the lightest sealed-ring motocross chain available on the market today. Made for the professional motocross racer, GB520MXU is the next generation of motocross racing chains featuring RK's new UW-sealing rings. MXU chains are designed to provide the most consistent power delivery and increased chain life. All components are heat treated using RK's exclusive HIT (Heat Induction Transfer) process. All RK sealed-ring Chains come with RK's exclusive one year warranty. Warranty info on Supersprox and RK websites.

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