- 2-ply rubber shield fits between tire and tube to prevent flats - Pair

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 - 700 x 22 – 25c also fits 27 x 7/8 – 1 - 700 x 28 – 32c also fits 27 x 1-1/8 – 1-1/4 - 700 x 35 – 44c also fits 27 x 1-3/8 – 1-3/4

The name Airstop says it all. Michelin's Airstop tubes use a proprietary butyl rubber so your tires keep their pressure longer. And, the reinforced valve stem seam is ultra sturdy, too.

Keep rolling down the toughest trails Add durability and pinch flat protection with Bontrager Heavy Duty tubes, designed to give riders the confidence to power through the rockiest descents. Product details - 1.2mm wall thickness for added flat protection - Resists punctures and pinch flats - 100% inspected for guaranteed quality

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 - 700 x 28 – 32c also fits 27 x 1-1/8 – 1-1/4 - 700 x 35 – 44c also fits 27 x 1-3/8 – 1-3/4

Schwalbe tubes retain air pressure considerably longer than standard tubes. The quality and purity of the rubber mixture directly affects the quality of the tube. - Diameter: 16-inch - Valve Length: 40mm

• Thorn Resistant • Butyl rubber • 48mm-long, threaded Presta valve • 29 x 1.95-2.125

• Butyl rubber • 32mm-long Presta valve (smooth/removable core) • 26 x 1-1.25

• Butyl rubber • 32mm-long Presta valve (smooth/removable core) • 20 x 1.35-1.5 (406 x 37-45)

Durable enough to keep you rolling, yet light enough to not feel overly cumbersome in your jersey pocket. - Presta valve

This is Surly’s 29 x 3-inch Presta valve tube. It fits their Knard tires and is made of butyl rubber.

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.

- 0.9mm Wall thickness - Removable valve core - 700 x 18-25C = 27 x 1 - 700 x 28-35C = 27 x 1-1/8, 1-1/4 - Compliant with California Proposition 65

- 0.9mm Wall thickness - 700 x 18-25C = 27 x 1 - 700 x 28-35C = 27 x 1-1/8, 1-1/4 - Compliant with California Proposition 65

MICHELIN's Airstop name says it all. Their Airstop tubes use a proprietary butyl rubber that holds pressure longer so you won't have to top off your tires so much. These fine tubes are reinforced at the valve, too.

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 wheels accelerate even faster and enhance the suppleness of your tires.

• Butyl rubber • Thorn-resistant • 32mm-long Presta valve • 700 x 40-45

• Butyl rubber • Presta valve (smooth/removable core) • 26 x 3.5

• ISO Diameter: 559 / 26" mtn , 584 / 650b / 27.5" • ISO Width (mm): 33 mm , 34 mm , 35 mm , 36 mm , 37 mm , 38 mm , 39 mm , 40 mm , 41 mm , 42 mm , 43 mm , 44 mm • Labeled Size: 26 x 1.5-1.75 • Tube Compound: Butyl • Valve: Presta • Valve Core: Removable • Valve Shaft: Threaded • Weight 152g (32mm), 158g (48mm)

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

• ISO Diameter: 622 / road / 29" • ISO Width (mm): 40 mm , 41 mm , 42 mm , 43 mm , 45 mm • Labeled Size: 700c x 40-45 • Tube Compound: Butyl • Valve: Presta • Valve Core: Removable • Valve Shaft: Threaded • Weight: 188g (32mm), 189g (48mm)

• 4mm wall thickness in the tread area and 2mm in the rim area • ISO Diameter: 559 / 26" mtn , 584 / 650b / 27.5" • Tube Compound: Butyl • Valve: Presta • Valve Core: Removable • Valve Length: Short 32-40mm • Valve Shaft: Threaded • Weight: 468g (1.5-1.75), 536g (1.9-2.125)

• Butyl rubber • Thorn-resistant • Schrader valve • 24 x 1.9-2.35

• Butyl rubber • Schrader valve • 22 x 1.75

• Low Lead Valve • ISO Diameter: 203 / 12.5 • ISO Width (mm): 57 mm • Labeled Size: 12 x 2-1/4 • Tube Compound: Butyl • Valve: Standard Schrader • Valve Core: Removable • Valve Length: Schrader • Valve Shaft: Smooth

• Low Lead Valve • 4mm wall thickness in the tread area and 2mm in the rim area • ISO Diameter: 406 / 20" BMX • Tube Compound: Butyl • Valve: Standard Schrader • Valve Core: Removable • Valve Length: Schrader • Valve Shaft: Smooth • Weight: 450g (1.5-1.75), 475g (1.75-2.125)

• 2.25mm wall thickness • ISO Diameter: 559 / 26" mtn • ISO Width (mm): 60 mm , 61 mm , 62 mm , 63 mm , 64 mm , 65 mm , 66 mm , 67 mm , 68 mm , 69 mm • Labeled Size: 26 x 2.4-2.75 • Tube Compound: Butyl • Valve: Standard Schrader • Valve Core: Removable • Valve Length: Schrader • Valve Shaft: Smooth • Weight: 694g

• ISO Diameter: 520 / 24" mini bmx • ISO Width (mm): 25 mm , 26 mm , 27 mm , 28 mm • Labeled Size: 24 x 1-1/8 • Tube Compound: Butyl • Valve: Presta • Valve Core: Removable • Valve Shaft: Threaded • Weight: 80g (32mm), 82g (60mm)

• ISO Diameter: 622 / road / 29" • ISO Width (mm): 18 mm , 19 mm , 20 mm , 21 mm , 22 mm , 23 mm • Labeled Size: 700c x 18-23 • Tube Compound: Butyl • Valve: Presta • Valve Core: Removable • Valve Shaft: Threaded • Weight: 80g (32mm), 84g (48mm & 60mm), 88g (80mm)

• ISO Diameter: 622 / road / 29" , 630 / 27" • ISO Width (mm): 48 mm , 49 mm , 50 mm , 51 mm , 52 mm , 53 mm , 54 mm • Labeled Size: 29 x 1.9-2.3 • Tube Compound: Butyl • Valve: Presta • Valve Core: Removable • Valve Shaft: Threaded • Weight: 176g (32mm), 178g (48mm)