LotFancy 2Pcs 12.5x2.75 Inner Tube for Razor Dirt Rocket MX350 MX400, X-Treme X-560, Hyper HPR 350

12-1/2 x 2.75 inner tube with Straight Valve stem. 2pcs inner tubes included Fits for Razor Dirt Rocket MX350 MX400, Hyper HPR 350 dirt bike, X-Treme X-560 scooters, and other dirt bikes and scooters with the same tire size Our inner tubes are made of butyl rubber, which has high air tightness and puncture resistance, reducing the possibility of air leakage, more durable and less likely to experience air leakage Installation Tips: Before inserting the new tube, make sure to check for sharp/pointed objects inside or embedded in the tire, that could puncture the tube. Inflate the tube to the recommended PSI (usually found on the tire's sidewall). Underinflation could cause pinch flats and cause the tire to slip on the rim resulting in the valve stem separating from the tube Note: Make sure the inner tube size matches the size of your tire. Color black.