Presta valve air chamber R'air 34mm

High-performance racing designed for lightness and durability
With Air Flex Lite Butyl, you can enjoy the reliability of butyl with the sublime ride quality of latex.
Air Flex Lite is super-flexible, has an exceptional strength-to-weight ratio and is very light at just 79 grams with an 80 mm P/V bonded valve
The R'Air features a constant wall thickness across the entire tube diameter and a completely seamless construction allowing the tube to roll perfectly round with no skips or dead spots.
The R'Air tube gives you all the benefits of latex with all the functionality of butyl and can be patched with an ordinary butyl patch kit.