Dirt bike and pit bike riders, this 2-pack of inner tubes is exactly what you need for your 21-inch front tires! These OuYi tubes are compatible with multiple tire sizes including 2.75/3.00-21, 80/100-21, 90/90-21, and 90/100-21, which covers most standard dirt bike front tires. The TR4 standard straight valve stem works with most motorcycle rims without any issues. Made from heavy-duty butyl rubber, these tubes feel substantial and should handle the demands of off-road riding. I've used them on various Japanese bikes including Honda CRF models, Yamaha TTR and YZ series, Kawasaki KX and KLX bikes, and Suzuki DRZ and RM models - they fit perfectly across all these brands. The quality seems solid with good thickness that should resist punctures better than cheaper alternatives. Having two in the pack is brilliant because you always have a spare for emergencies or can replace both front and rear if needed. The balanced construction means smooth operation without vibration issues. Installation is straightforward if you're comfortable with basic tire changes, and they hold air well once properly installed. Whether you're maintaining your own bike, preparing for a riding season, or just want reliable spares in your garage, these tubes provide exactly what you need for worry-free riding. The price for a 2-pack makes them particularly good value compared to buying singles from dealerships.
Free 30-day returns 
Free 30-day returns
