- 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.

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.

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.

Specialized's Standard Schrader Tubes are lightweight, high quality, and available in a number of sizes; just the thing you need for a repair or a spare.

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.

The Kenda 35mm (Schrader valve) is made from butyl rubber. Kenda bicycle tubes are engineered to keep you on the right path.

• ISO Diameter: 507 / 24" BMX • Tube Compound: Butyl • Valve: Presta • Valve Core: Removable • Valve Length: Short 32-40mm • Valve Shaft: Threaded • Weight: 152g (1.9-2.125), 188g (2.1-2.3 & 2.4-2.75)

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

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.

• ISO Diameter: 559 / 26" mtn • ISO Width (mm): 25 mm , 26 mm , 27 mm , 28 mm , 29 mm , 30 mm , 31 mm • Labeled Size: 26 x 1-1.25 • Tube Compound: Butyl • Valve: Presta • Valve Core: Removable • Valve Shaft: Threaded • Weight: 96g

• ISO Diameter: 622 / road / 29" • ISO Width (mm): 35 mm , 36 mm , 37 mm , 38 mm , 39 mm , 40 mm , 41 mm , 42 mm , 43 mm • Labeled Size: 700c x 35-43 • Tube Compound: Butyl • Valve: Presta • Valve Core: Removable • Valve Shaft: Threaded • Weight: 140g

With removable valve cores, choice of valve, and two widths, Q-Tubes Fat Tubes have what you need for big tires 1.0mm wall thickness Q-Tubes Fat Bike tubes feature environmentally friendly soy ink printing on recycled cardboard Labeled Size: 26 x 4.0-4.8 Weight: 580 g ISO Width (mm): 100 mm , 101 mm , 102 mm , 103 mm , 104 mm , 105 mm , 106 mm , 107 mm , 108 mm , 109 mm , 110 mm , 111 mm , 112 mm , 113 mm , 114 mm , 115 mm , 116 mm , 117 mm , 118 mm , 119 mm , 120 mm ISO Diameter: 559 / 26" MTN Wall Thickess: 1 mm

• 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)

MICHELIN's Protek Max tubes use a proprietary butyl rubber with a unique shape and design so your tires hold their pressure longer. For excellent durability, the tube is reinforced at the valve too.

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.

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.

• Butyl rubber • Thorn-resistant • Self-sealing • Schrader valve • 26 x 2-2.125

• Butyl rubber • Thorn-resistant • Schrader valve • 18 x 1.75-2.125

• Butyl rubber • Thorn-resistant • 48mm-long Schrader valve • 29 x 2.1 (700 x 50-52)

• Butyl rubber • Schrader valve • 24 x 1.5-1.95

• Butyl rubber • Schrader valve • 700 x 40-45

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

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

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