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

Keep punctures at bay with Bontrager's Thorn Resistant Tube. It's a whopping 4.1mm thick to protect you from sharp road debris and thorns.

Protect yourself from flats with Bontrager's Self-Sealing tubes that instantly seal small hole punctures. And, for added flat protection, the 0.9mm wall thickness keeps punctures at bay.

Protect yourself from flats with Bontrager's Self-Sealing tubes that instantly seal small punctures. And, for added flat protection, the 0.9mm wall thickness helps to keep those punctures at bay.

Because it's hard to know when you're going to get a flat, it's always good to have extra tubes on hand. Specialized's Airlock Self-Sealing Tube seals small punctures so you can keep riding.

Protect yourself from flats with Bontrager's Self-Sealing tubes that instantly seal small hole punctures. And, for added flat protection, the 0.9mm wall thickness keeps punctures at bay.

Your inner-tubes are one of the most critical components on your bike. Bontrager's are premium quality, standard weight tubes that keep you rolling. Get one more than you think you'll need—you can always use a spare.

Specialized's Desert Protection Tube defends against flats in the harshest environments. It's thicker on the road side for puncture protection and thinner on the rim side for weight savings, while the Airlock self-sealing solution fixes most flats on the spot and prevents slow leaks.

Because it's hard to know when you're going to get a flat, it's always good to have extra tubes on hand. Specialized's Thorn Resistant Tube is thicker on the road side for puncture protection and thinner on the rim side for weight savings.

- 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

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.

Q-Tubes Value Series Presta tubes: Price point tubes with 1.0mm wall thickness, removeable valve cores and simplified size specifications Removable Presta valve core Individually packaged tubes in recycled cardboard Labeled Size: 26 x 1.75-2.125 Weight: 185 g Valve Core: Removable Shaft Type: Threaded ISO Width (mm): 47 mm , 48 mm , 49 mm , 50 mm , 51 mm , 52 mm , 53 mm , 54 mm , 55 mm , 56 mm , 57 mm Tube Compound: Butyl ISO Diameter: 559 / 26" MTN Valve: Presta Med 41-55mm Wall Thickess: 1 mm

- 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

• 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: 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)

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

• ISO Diameter: 559 / 26" mtn • ISO Width (mm): 53 mm , 54 mm , 55 mm , 56 mm , 57 mm , 58 mm • Labeled Size: 26 x 2.1-2.3 • Tube Compound: Butyl • Valve: Presta • Valve Core: Removable • Valve Shaft: Threaded • Weight: 202g

• Low Lead Valve • ISO Diameter: 305 / 16" BMX • Tube Compound: Butyl • Valve: Standard Schrader • Valve Core: Removable • Valve Length: Schrader • Valve Shaft: Smooth • Weight: 76g (1.25-1.5), 92g (1.5-1.75), 102g (1.75-2.125)

• 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: 220g (32mm), 221g (48mm)

• 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)

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

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

• Butyl rubber • Schrader valve • 26 x 1-1.25

• Butyl rubber • Schrader valve • 26 x 1.95-2.125

• Butyl rubber • Schrader valve • 16 x 1.35 (305 x 37)

• Butyl rubber • Schrader valve • 20 x 1.35-1.5 (406 x 37)

• ISO Diameter: 622 / road / 29" • Tube Compound: Butyl • Valve: Standard Schrader • Valve Core: Removable • Valve Length: Schrader • Valve Shaft: Smooth • Weight: 110g (23-25mm), 128g (28-32mm), 144g (35-43mm), 160g (40-45mm)

• ISO Diameter: 559 / 26" mtn • Tube Compound: Butyl • Valve: Standard Schrader • Valve Core: Removable • Valve Length: Schrader • Valve Shaft: Smooth • Weight: 102g (1-1.25), 165g (1.5-1.75), 174g (1.9-2.125), 198g (2.1-2.3), 281g (2.4-2.75)

• 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: 559 / 26" mtn • ISO Width (mm): 54 mm • Labeled Size: 26 x 2.1-2.3 • Tube Compound: Butyl • Valve: Presta • Valve Core: Removable • Valve Length: Short 32-40mm • Valve Shaft: Threaded • Weight: 175g