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 - 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

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

Continental Light Tubes are made of a lightweight seamless butyl rubber and are individually tested for top quality. These tubes are nearly 30% lighter than standard tubes to make your bicycle easier to ride. - 42mm valve: 70 grams - 60mm valve: 80 grams - 80mm valve: 90 grams

Single Schrader tube for a 27.5-inch/650B tire. - 27.5 x 2.60 – 2.80 - 42mm Schrader valve

Continental tubes are made of seamless butyl rubber and are individually tested for top quality. 42mm valve: 95 grams 60mm valve: 100 grams

Continental bicycle tubes are made of seamless butyl rubber and are individually tested for top quality.

Unless you're running tubeless (and even if you are), it's a good idea to keep a spare tube or two around, so you can change a tire quickly and reliably, then get back to riding. Continental's Schrader valve tube has you covered. - 40mm Schrader valve

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)

Single presta tube for a 27.5-inch/650B tire. - 27.5 x 1.75-2.50 - 42mm Presta valve

Conti tubes – what’s so special? A simple formula for a simple application, but funny how the competitors manage to miss the details. Mold-cured, seamless-extruded, with removable valve cores are features that make Conti tubes a step above the rest. - Schrader valve

Continental tubes are made of seamless butyl rubber and are individually tested for top quality.

- 0.9mm wall thickness - 700c x 18 – 25 = 27 x 1 - 700c x 28 – 35 = 27 x 1-1/8, 1-1/4