VALVE STEM: TR4 straight valve stem with a valve cap, high airtightness, good sealing performance, and easy inflation.
MATERIAL: Inner tube is made of high quality butyl rubber, thickening, aging resistance, shock absorption, strong cushioning performance, comfortable riding
INSTALLATION: Before installation, inflate the inner tube with a small amount of air to shape it, check the valve position, ensure the installation direction, and ensure that it is simple to operate and easy installation and removal.
Description
2 Pack 2.75/3.00-21" Inner Tube 2.75-21 3.00-21 70/100-21 80/100-21 80/90-21 90/90-21 Motorcycle Dirt Pit Bike Tubes with Straight Valve Stem