High-quality polymer tire insert Vittoria capable of giving new sensations on the road. It effectively absorbs impacts, preventing risk of punctures and reducing handlebar vibrations. Replaces part of the air volume inside the tire and lowers pressure, improving road grip and control in turns. Special shape contributes to fixation of the tire bead, reducing scuffs and preventing displacement even at low pressure. Easy to install, suitable for repeated use, and compatible with wheels up to 29 inches