opona bmx primo 555c tires ridehubPrimo 555C Tires are high performance BMX tires designed for maximum grip, durability, and speed . Featuring a low profile tread with a dense pattern , the tire provides excellent handling on both street and skatepark surfaces . The advanced rubber compound used guarantees abrasion resistance , and the 2. 40" width ensures stability and control during landings . The maximum pressure of 100 PSI allows for optimal responsiveness and precise handling.