2.75/3.00-21 Motorcycle Inner Tube Fit for 80/100-21 90/90-21 90/100-21 TR4 1 About this item Model:2.75/3.00-21, 80/100-21, 90/90-21, 90/100-21, 80/90-21,Compatible with Honda CRF230 CRF250 CR250,Compatible with Suzuki DRZ250 RM125,Compatible with Kawasaki KX125 KLX150 KDX250,Compatible with Yamaha TTR230 YZ125 Coolster TaoTao etc Front tires. Product features -The inner tube of butyl rubber has strong air tightness, which is several times that of ordinary inner tubes;Butyl rubber is not prone to aging, has strong antioxidant capacity, and is more durable and long-lasting to use Quality products -good air tightness,high strength and wear-resistant,durable and long-lasting,elastic and tough,cold and freezing prevention,high temperature resistance Advantage -Good elastic cushioning, especially on bumpy roads, provides better cushioning effect, and a good inner tire also enhances the durability of the outer tire Easy Installation -When you have a flat tire, you don't need to buy a new tire, you just need to change an inner tube of the same size to use it normally. This inner tube is easy to install, no special tools are needed, simple and convenient