Product Information USE: Wheel covers are used to avoid getting the bike's tires dirty in the presence of mud and/or sand (for example after washing the bike), or before a competition at the starting grid, to avoid clogging the tire treads, allowing the rider to have a fast start with the best possible grip and riding control. APPLICATION: The kit consists of two Tyre covers: one for 21" front wheel and one for 18" and 19" rear wheel. FITTING: The tire covers can be quickly and intuitively fitted thanks to the Velcro fastener. MAINTENANCE AND WASHING: by washing machine at 30 ° or high-pressure washer (cold water) MATERIALS: Polyester and PVC fabric resistant to wear and tear. More