Tubes: All Sizes/Types

- Size: 700c x 18 – 23 - ISO Diameter: 622 / road / 29" , 630 / 27" - ISO Width: 18mm, 19mm, 20mm, 21mm, 22mm, 23mm - Tube Compound: Butyl - Valve: Presta - Valve Core: Removable - Valve Shaft: Threaded - Weight: 100g (32mm), 101g (48mm & 60mm), 103g (80mm)

- Butyl rubber - 48mm-long Presta valve (smooth/removable core) - 26 x 1.9-2.35

- Butyl rubber - 48mm-long Presta valve (smooth/removable core) - 26 x 1.5-1.95

- Butyl rubber - 48mm-long Schrader valve - 27.5 x 2.1-2.35 (650B)

- Butyl rubber - Schrader valve - 12 1/2 x 2 1/4

- Butyl rubber - Schrader valve - 18 x 1.75

- Butyl rubber - Schrader valve - 20 x 1.5-1.95

- Butyl rubber - Schrader valve - 26 x 1.5-1.75

- Butyl rubber - 29 x 2.1 (700 x 50-52)

- Butyl rubber - 48mm Schrader valve - 700 x 35-43

Serfas replacement inner tubes are lightweight, durable, and affordable.

Serfas replacement inner tubes are lightweight, durable, and affordable.

When building your featherweight dream bike, don't forget the tubes! Michelin's Aircomp Ultralight tubes are nearly weightless for minimum rolling resistance and maximum speed. - 77g

Bontrager's Race XXX Tubes are perfect for race day and fast training. They reduce rolling resistance and rotational weight for quicker acceleration and more speed. You want a pro trick? Add a touch of corn starch or talc to the tire for an even better ride.

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

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

Protect yourself from flats with Bontrager Thorn-Resistant tubes. Asymmetric design uses thicker rubber on the tread side and thinner rubber elsewhere, which saves weight while maximizing puncture protection. Product details - 4.1mm thickness (tread side) - Asymmetric extrusion puts extra rubber along tire sidewall and tread zones - 100% inspected for guaranteed quality 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