81/2*2 Inner Tube 8.5 Inch Inner Tube Rear Wheel Curved Valve Stem 50/75-6.1 Rear Tire Compatible with Gotrax GXL V2 Hiboy S2 Pro

Reinforced 8 1/2*2 Inner Tube with Bent Valve Inward 8.5 Inch Inner Tube Rear Wheel Bent Valve Stem 50/75-6.1 Rear Tire 8 1/2 x2 Compatible for Gotrax GXL V2 Hiboy S2 Pro Xiaomi M365 Pro 1S MI3 Lite Pro2 Electric Scooters

【Widely Used for REAR WHEEL】-This inner tube can ONLY be used for rear wheels. If you are looking for tubes for front wheel, please check at our stores we have 8.5 inch 50/75-6.1 tubes with straight valve for your need. 【Extra Thick & Puncture-Resistant】-The thickness of ulip inner tube has been increased. Our tube is 1.9mm thick while the others is about 0.9mm, it’s more durable than original tubes and have better puncture resistance. It lasts for a longer time. 【Extended Valve】-It has been designed with bent valve in order to help users to inflate the inner tube easier. The tube can be inflated more efficiently with this extended valve. Also the bent valve nozzle plays a better role in protecting the inner tube, no need to worry about the tube gets damaged. 【High-Quality Material】-Made of high quality butyl rubber, which has good thermal stability and air tightness, also non-toxic and harmless to environment. 【Installation】-using special levers can help to install the tire prying of the inner tube during installation. When you install the inner tube please don’t use pointed lever because it might cause some damage to it.