Polini Belt for Piaggio ScootersP 248.031 – SFERA 50P 248.037 – Typhoon 50 P 248.045 – DNA 50 P 248.039 – Typhoon 125P 248.020 – Fly 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, Sparta, and Malossi.