Features: 1.The set could perfect fit for 3.00?12 knobby pit tire motocross, dirt bike, off road to better meet your demands. 2.Excellent grip and easy handling provides great riding performance, provide a safe riding. 3.Knobby open thread cleans from fine to muddy conditions, giving your vehicle a clean appearance. 4.Year?round composite developed for all weather conditions, can be used with confidence even in bad weather. 5.The combination set includes tire and inner tube, and the size is about 3.00 ? 12 (80/100?12). Specification: Item Type: Tire Inner Tube Set Material: Rubber + Metal Fitment: For 3.00-12 Knobby Pit Tire Motocross, Dirt Bike, Off Road Position: Front or Back Edge Size: Approx. 12in/30.5cm Type: Tube type (need inner tube) 4 P.R. Sidewall 2 Plies Load Rated 42, Max Load 330 LbsSpeed Rated J (62 Mph Max Speed) Motorcycle Inner Tube 3.00/3.50-12 Valve Stem: TR87, Angled stem, round shape to fit rims with a round valve base. Made of thick rubber mix, strong and durable valve stem. PackageList: 1 x Tire 1 x Inner Tube