Aero Sport Bike Butyl Inner Tube 26" Presta Valve

AWE Butyl Rubber Inner Tube 26 x 1.75 - 2.125 Presta Valve ETRTO 47/57 - 559 500% Extra Ride Time* 100% Butyl rubber tube restricts air loss which increases tyre life and maximises performance. AWE tubes have excellent air retention properties 500%+ compared to natural rubber (Refers to Dow Corning gas permability test data 1972)