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

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.

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 Turbo Ultralight MTB Tube w/Talc is lightweight to save rotational weight. The Talc lets the tube move easier inside the tire for a better ride with fewer flats.

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling.

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling.

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.

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling.

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling.

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling. These tubes feature threadless valve stems and removable valve cores.

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling.

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling. This tube is for use on rims with an ISO diameter of 451 millimeters.

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

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling.

This tube features high-density rubber for fewer flats.

Giant's thorn tubes feature thicker rubber that prevents some punctures and flats.

Giant's thorn tubes use thicker rubber to prevent some flats and punctures.

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling.

The least expensive way to ditch 40+ grams of rotating weight is with our Turbo Talc Tubes. A patented, oversized 4.8cm valve base prevents tearing, while a partially threaded valve stem provides a clean interface with pumps. Our lightest and most supple tube offering, it's also been proven in rolling-resistance testing to reduce drag by as much as 13% per wheel. - Packed in talc for easier installation. - 4.8cm valve base prevents issues of valves tearing off. - Smooth at the top for easier pump head insertion and reduced wear on pump internals. - Thinner tube design saves approximately 40 grams of rotating weight. - Thickness: 0.6mm

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling.

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling.

Giant's downhill tubes are super burly to withstand all the DH abuse you can dish out.

• Butyl rubber • Schrader valve • 20 x 1 3/8

• 4mm wall thickness in the tread area and 2mm in the rim area • ISO Diameter: 622 / road / 29" , 630 / 27" • ISO Width (mm): 28 mm , 29 mm , 30 mm , 31 mm , 32 mm • Labeled Size: 700c x 28-32 • Tube Compound: Butyl • Valve: Standard Schrader • Valve Core: Removable • Valve Length: Schrader • Valve Shaft: Smooth • Weight: 400 g

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.

• 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: Standard Schrader • Valve Core: Removable • Valve Length: Schrader • Valve Shaft: Smooth • Weight: 452g (1.5-1.75), 642g (1.9-2.125)

The Zipp Tangente butyl tubes are designed to meet the needs of a new era of road riding that includes adventures aboard wider tires. The tube’s 0.60mm thickness is optimized for durability. - 37mm valve stem length - Lightweight aluminum valve body with removable Presta valve core - For use with Zipp Tangente Aluminum Knurled Valve Extender - 0.60mm thick to optimize durability - Weight: 72 grams in 700x20-28 and 96 grams in 700x28-32

• 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)

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

• Can be used with fat bike tires 4.0" and under • 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 • Labeled Size: 26 x 2.4-2.7 • Tube Compound: Butyl • Valve: Presta • Valve Core: Removable • Valve Length: Short 32-40mm • Valve Shaft: Threaded • Weight: 256g

• 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)