These 10-inch thick rubber inner tubes are made of light weight material which is resistant to wear and tear. This inner tube is moderately elastic and has no need of repair. It has a bent valve which makes it easier to pump air into the tube. Tyres no matter which need inner tubes to function properly and e-scooter tyres especially need inner tubes installed in their tyres. The bent valve is made of rust free material so that it does not jam. Tyres no matter which need inner tubes to function properly and e-scooter tyres especially need inner tubes installed in their tyres. These 10 inch  Thick Inner Tube WITH BENT VALVE are made of light weight material which is resistant to wear and tear. This inner tube is moderately elastic and has no need of repair. It has a bent valve which makes it easier to pump air into the tube. The bent valve is made of rust free material so that it does not jam.