The Slime Bike Inner Tube is pre-filled with gooey sealant to instantly seal and repair punctures so you don't get a flat tyre in the middle of your cycle ride. Suitable for 26" bike wheels with Schrader type valves this inner tube is a key item for on-the-go cyclists who might encounter several small punctures when out riding. Size: 26" x 1.75" x 2.125" Prefilled with sealant to instantly seal punctures Works on tread area of the tyre up to 1/8" Schrader type bike valves Unique slime green sealant will highlight where the punctures are