Composition
Membrane : 90.0% Rubber - Isobutylene Isoprene Rubber - Butyl, Membrane : 10.0% Brass
Product test
To guarantee optimal quality, 100% of our inner tubes are inflated for a period of 8 hours.
Stockage tips
Transport your inner tubes in a container that protects them against perforations (B'Twin transport container, original packaging, etc.).