Schwalbe 24x1 3/8" Car Valve
- This size is most often used on wheelchairs but also on some children's bikes.
- Auto valve type (AKA Car Valve, Schrader Valve or American Valve).
- 42mm length valve suitable for most standard depth rims up to 27mm.
- Reinforced dual thickness tube/valve interface to prevent punctures.
- Light weight butyl rubber construction.
These innertubes are compatible with the following ETRTO tire sizes:
24" x 1 1/8" = ETRTO 28-540
24" x 1 3/8" = ETRTO 37-540
600 x 28A = ETRTO 28-541
600 x 37A = ETRTO 37-541
24" x 1.75" = ETRTO 47-507
Click to find out more about ETRTO tyre sizing and whether this is the right tube for your bike.