Cst Inner Tube 20 X 1.75/1.95/2.125 Av 48Mm Car

CST is a brand offering high-quality bicycle tires. Their high standard of workmanship is evidenced by the fact that CST is one of the world's largest bicycle tire manufacturers. CST Butyl Bicycle Inner TubeInner Tube Size:20” x 1.75-2.125 (406 x 47-57)Wall Thickness:0.87 mmWeight:93 gValve:AV 48 mmAV / SV / CAR valve, 48 mm long, fits bikes with reinforced, high rims.

The AV valve, also known as the Schrader valve, or car valve, is the most popular valve installed in inner tubes. These tubes can be inflated with a car pump or at gas stations using a compressor. (Valve diameter: 8 mm) ETRTO is the European Tyre and Rim Technical Organization. The ETRTO size is the best size we can use Check if the inner tube you're buying is the same size as the one you currently have on your bike. These are the numbers written on the tire in the same format as your postal code, for example, 32-622. This means the tire is 32mm wide and fits a 622mm rim. Therefore, the inner tube you're looking for must have a diameter of 622mm and the appropriate width for your tire.