2.50-10 DIRT BIKE TIRE TUBE: The 250-10 tire is perfectly compatible with 2.50-10 or 2.75-10 tires. The 2.50/2.75x10 tire fits most 50cc mini bikes such as Honda CRF50, XR50, Kawasaki KDX50, Suzuki DRZ50, JR50, Yamaha TTR50, PW50 dirt bikes, as well as some Chinese SSR, Apollo, Taotao, Coolster, XR-PRO, Razor and SYX Moto dirt pit bikes.