The industry standard comes in all sizes. Premium-quality Bontrager Standard butyl rubber tubes feature a 0.9mm wall thickness for the perfect balance of weight savings and durability. - 0.9mm wall thickness - Equipped with removable valve cores - 100% inspected for guaranteed quality - Best value 27-inch tire size equivalents - 700cx 23 – 25 also fits 27 x 7/8 – 1 - 700c x 28 – 32 also fits 27 x 1-1/8 – 1-1/4 - 700c x 35 – 44 also fits 27 x 1-3/8 – 1-3/4

Our standard butyl innertube with a 0.9mm wall thickness represents excellent value-for-money and strikes a nice balance between weight and durability. - P/V Presta valve (French valve) with 48/60/80mm length options for a wide range of rim depth compatibility - Easily identifiable from the RED color-coded box - Automated hot-feed extrusion with hydraulic press-cured vulcanization for consistent, high-quality, reliable construction - All tubes are inflated and stored for 24hrs to check for leaks/defects prior to being packaged - Low-lead nickel-plated valve with a threaded valve and non-removable core - Packaged individually (carton/box)

Our standard butyl innertube with a 0.9mm wall thickness represents excellent value-for-money and strikes a nice balance between weight and durability. - S/V Schrader Valve (American Valve) with a 40mm valve length for trouble-free double wall rim compatibility - 12 and 14 tubes use angled/shorter valves for improved pump head clearance/accessibility - Easily identifiable from the GREEN color-coded box - Automated hot-feed extrusion with hydraulic press-cured vulcanization for consistent, high-quality, reliable construction - All tubes are inflated and stored for 24hrs to check for leaks/defects prior to being packaged - Low-lead nickel-plated valve with standard removable Schrader valve core - Packaged individually (carton/box)