• ISO Diameter: 622 / road / 29" • ISO Width (mm): 23 mm , 24 mm , 25 mm • Labeled Size: 700c x 23-25 • Tube Compound: Butyl • Valve: Presta • Valve Core: Removable • Valve Shaft: Threaded • Weight: 125g (32mm), 126g (48 & 60mm), 128g (80mm)

- 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.

- No more flats for 2 years! - Extra strong with Slime sealant inside - Instantly seals tread area punctures up to 1/8? (3mm) in size - Seals multiple punctures repeatedly - Non-toxic and non-flammable - Cleans up with water

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 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.

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.

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.

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.

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.

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.

• Butyl rubber • Economy tube • Presta valve • Non-removable core • 29 x 2.0-2.4 / 700 x 47-52c

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. Special quality control that prevents unpleasant surprises.

• Butyl rubber • 32mm-long Presta valve (smooth/removable core) • 20 x 1 1/8 (451 x 25)

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.

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

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

- Butyl rubber - Economy tube - Schrader valve - 700 x 35-42c

- 0.9mm wall thickness - Equipped with removable valve cores - 100% inspected for guaranteed quality

• 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)

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.

- Valve type: Presta, threaded - Valve length: 60mm - Tube size: 700 x 35-40

Never leave home without a spare tube. Vittoria's Ultralite inner tubes shave grams and, if you flat in no man's land, will save your ride. - Butyl tube - 51mm valve stem with removable core

• Butyl rubber • Thorn-resistant • Schrader valve • 16 x 2.125

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

• Butyl rubber • Thorn-resistant • 48mm-long Schrader valve • 26 x 1.9 x 2.35

• Butyl rubber • Thorn-resistant • Schrader valve • 12 1/2 x 2 1/4