High quality 100% butyl inner tube with Presta valves (High Pressure Valve or French Valve)
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- This size of inner tube is used on road, triathlon and some slim tyres for commuting/touring bikes.
- Presta valve type (AKA High Pressure Valve or French Valve).
- 40mm length valve suitable for most standard depth rims up to 30mm.
- Threaded valve stem with security ring prevents rattling on the rim and makes pump attachment easier.
- Reinforced dual thickness tube/valve interface to prevent punctures.
- Light weight butyl rubber construction.
- Weighs 95g.
These innertubes are compatible with the following ETRTO tire 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
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
PLEASE NOTE: To avoid punctures to new inner tubes please follow these rules
1. Check the tyre for the object that originally punctured the tube before replacing.
2 .Make sure the rim tape covers the valve hole in the rim, otherwise