2.75/3.00-21 Inner for Offroad Motorcycle with 21 Tyres, 80/100-21 Inner Tube Replacement with TR4 Valve Stem

Compatibility: 2.75/3.00-21 inner tube for motorcycle with 21 tyres, great 80/100-21 inner tube with TR4 straight valve stem
Great performance: the hoses are double and more durable. Upgraded version thicker rubber hoses that are tear-resistant, scratch resistant and durable
FIRST: We designed this inner tube explosion proof. When and when punctured, an airtight seal is created to avoid damage, destruction and injury to the driver
Easy installation: the inner tyre is extremely comfortable and easy to install and remove. Please check the position of the valve and make sure you install it in the correct direction