Feature●Weight: 23.8 oz (680 g); Size: HE 7.9 x 0.8 inches (20 x 2.125 features; Improved tire strength and puncture resistance; Durable rubber side specifications; Abrasion resistant compound (same as the current 74 model); Adopts an inner chafer structure to prevent bead loss (same as the current model 74), BMX repair, delivery company rear car users, for children. Electric assisted car. For repairing, steel bead (wire)Description Weight: 23.8 oz (680 g); Size: HE 7.9 x 0.8 inches (20 x 2.125 features; Improved tire strength and puncture resistance; Durable rubber side specifications; Abrasion resistant compound (same as the current 74 model); Adopts an inner chafer structure to prevent bead loss (same as the current model 74), BMX repair, delivery company rear car users, for children. Electric assisted car. For repairing, steel bead (wire).