Polini Kelvar Belt for scooters with GY6 150cc enginesPolini belts simply last longer and keep from slipping early in the life of the belt.P 248.060 – Vento 125 (842-20-30) / Vento 150 (835-20-30)THIS IS THE BEST BELT AVAILABLE FOR THE GY6 ENGINE – Fits on Vento 150, Matrix 150, Strada 150, Tank, Roketa scooters and other GY6 scooters. Works on some GY6 ATVs and Go Karts.Confirmed Go Karts it works on 835-20-30 will work on your Kinroad and Kinroad Chonqing, BLADE DX SAHARA 150, BOXER 150, KINROAD, RUNMASTER 150.Made from the same material as bullet proof vests, this belt will eliminate slip as well as increase durability. These belts were designed for racing use and will last longer than regular material belts. As your stock belt wears down, it gets thinner and thinner. This, in turn, will start to decrease your top speed. A kevlar belt will keep this from happening. At Scooter Dynasty we carry both superior quality fiber belts and kevlar / nylon belts by Polini, Bando, Athena, Spart