PIVOTRAX 90/90-21 or 80/100-21 (3.00 X 21) Heavy Duty Motorcycle Tube – 3mm Thick – TR4

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✅ 3MM Thickness Heavy-Duty Tubes
✅ Puncture and pinch resistant
✅ Seamless construction
✅ Designed specifically for motocross and off-road use. For Yamaha Honda Suzuki Kawasaki Pit Bike,and Other Chinese brand pit bike ,such as SSR,YCF,IMR,Atomik,Thumpstar,BSE,Apollo,Kayo,Stomp,Piranha,DHZ,GPX,Pitster.
✅ Featured a TR4 valve stem for easy installation and a heavy duty construction for off-road riding. These tubes are specifically designed for motocross and off-road use so make sure your bike has some extra protection out there in the world.