Weighs 95g. All InnerTubeShop inner tubes are sourced from experienced manufacturers that supply some of the best known premium tyre and cycling brands. We cut out the middlemen to bring you the same product and save your hard earned cash. These innertubes are compatible with the following ETRTO tire sizes: Metric Sizes 700 x 18 = ETRTO 18-622 700 x 21 = ETRTO 21-622 700 x 23 = ETRTO 23-622 700 x 25 = ETRTO 25-622 Imperial Sizes 28 x 3/4" = ETRTO 19-622 28 x 7/8" = ETRTO 22-622 28 x 1" = ETRTO 25-622 27 x 7/8" = ETRTO 22-630 27 x 1" = ETRTO 25-630 As you can see this tube will fit both the ETRTO rim sizes 622mm and 630mm. You may know that rim and tyre sizes must match each other exactly, but due to the flexibility of an inner tube they can often fit more than one rim size.
Manufactured exclusively for InnerTubeShop, this size of inner tube is used on road, triathlon and some slim tyres for commuting/touring bikes.
Light weight butyl rubber construction
Reinforced dual thickness tube/valve interface to prevent punctures.
Presta valve type (AKA High Pressure Valve or French Valve). Threaded valve stem with security ring prevents rattling on the rim and makes pump attachment easier.
40mm length valve suitable for most standard depth rims up to 30mm.