Drive belts are not to be taken lightly and need to be replaced often due to wear and tear. MALOSSI belts are known for their high stability and temperature duration, which prevents slipping or snapping under the most demanding situations. A MUST for the serious tuner and the daily rider. X Kevlar, 833 x 22.5 x 28 * Aprilia Atlantic 250 * Piaggio MP3/X7/X8/X9 i.e. 250 * Vespa GT/GT60/GTS/GTSV 250-300 i.e.