Compatibility Highlight: This inner tube is the perfect replacement for a 21-inch tire, Suitable for Honda CRF230/CRF250/CR250, Suzuki DRZ250/RM125, Kawasaki KX125/KLX150/KDX250, Yamaha TTR230/YZ125, Coolster and other models of tires (front tires)
Product Size: This replacement inner tube is suitable for tires and wheels with 2.75/3.00-21 inch inner tubes. Our inner tubes are suitable for vehicles with 21 inch wheel diameters and tire widths ranging from 2.75 inch to 3.00 inch. Suitable for 2.75-21, 3.00-21, 80/100-21, 80/90-21, 90/100-21 and other sizes. Please check the original inner tube size before purchase to ensure smooth replacement
Material: Thick butyl rubber tires can absorb the impact, you will not easily feel bumps and discomfort during the riding process, the base rubber has excellent elasticity and flexibility, like a layer of intimate cushion, for you to create a comfortable and comfortable riding experience. Compared with the traditional rubber inner tube, it has better air retention and can significantly reduce air leakage for up to 6 months. This greatly reduces the hassle of frequent inflating
TR4 straight valve: high strength metal parts, can withstand the vibration of the vehicle is not easy to damage; The rubber valve seat has strong texture, strong tear resistance, even if it is used for a long time or encountered external impact, it can remain intact, good sealing performance, effectively prevent sand from invading the inner tube and tire, prevent the inner tube from wearing and leaking, extend the service life, and reduce the frequency of replacement
Installation tip: During installation, inflate the inner tube in a small amount, then place it into the outer tube that needs to be cleaned in advance, and continue to inflate until the inner tube is tightly fitted to the outer wall. Before use, be sure to check whether the inner tube is leaking, if there is a leak, please leave a message and provide relevant proof pictures, so that we can solve the problem for you more effectively