1、Application: Tire size is 2.50x10in, and the inner tube size is 2.50/2.75‑10in, suitable for 50cc 70cc 90cc 110cc Mini Dirt Pit Bike Off Road Motorcycle. Replacement for XR50 CRF50, replacement for Razor, replacement for Coolster, etc. 2、Explosionproof Rubber: The inner tube is made of high quality natural butyl, BPA free rubber, the thick butyl rubber can absorb shock on rough roads, and it is also explosionproof for safe use in all seasons. 3、Excellent Grip and Traction: The tire adopts a unique tread design, and the 8mm/0.31in tread depth increases the friction between the tire and the ground, while providing wonderful grip and traction on a wide range of surfaces. 4、Durable Structure: Heavy duty 4 ply rating construction prevents punctures and wear, and this inner tube is combined with a tr13 straight valve core, the TR13 valve pointing inward to the axle, making it less prone to damage when in use. 5、Matching Tire Inner Tube Set: The package contains matching inner tube and outer tire, which can directly replace the original old tire, directly replace and install, no additional purchase is required, and wrong matching is avoided. Item Type: Tire Inner Tube Set Material: Rubber + Nylon Package Including: 1pc Tire, 1pc Inner Tube Applicable Rim Size: Approx. 10in/254mm PLY Rating: 4 Tread Depth: Approx. 8mm / 0.31in Tires Withstand Maximum PSI: 36 Maximum Tire Load: 255LBS Application: Fit for Off Road Motorcycle with 10in RimReplacement for XR50 CRF50 Replacement for PW50 Replacement for SDG107 Replacement for Razor Replacement for SX500 Replacement for Coolster Replacement for SSR 50cc 70cc 90cc 110cc Mini Dirt Pit Bike 1 x Tire 1 x Inner Tube