• Butyl rubber • Schrader valve • 20 x 4 1/4 • Fits the rear tires on high-rise bicycles like Schwinn's Sting-Ray

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

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

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

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.

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

Challenge's S.C. Seamless Latex Cross Tube is hand made for the highest quality. Latex tubes are usually lighter and roll with less resistance than standard butyl tubes. They also resist punctures. The S.C. fits tires 28 to 35mm wide, and has a 47.5mm-long valve with a removable core.

• 4mm wall thickness in the tread area and 2mm in the rim area • ISO Diameter: 584 / 650b / 27.5" • ISO Width (mm): 52 mm , 53 mm , 54 mm , 55 mm , 56 mm , 57 mm , 58 mm • Labeled Size: 27.5 x 2.0-2.25 • Tube Compound: Butyl • Valve: Presta • Valve Core: Removable • Valve Length: Short 32-40mm • Valve Shaft: Threaded

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

• 2.25mm wall thickness • ISO Diameter: 507 / 24" BMX • 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: 24 x 2.4-2.75 • Tube Compound: Butyl • Valve: Presta • Valve Core: Removable • Valve Length: Short 32-40mm • Valve Shaft: Threaded • Weight: 576g

• 2.25mm wall thickness • ISO Diameter: 507 / 24" BMX • 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: 24 x 2.4-2.75 • Tube Compound: Butyl • Valve: Standard Schrader • Valve Core: Removable • Valve Length: Schrader • Valve Shaft: Smooth • Weight: 581g

• 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: Presta • Valve Core: Removable • Valve Length: Short 32-40mm • Valve Shaft: Threaded • Weight: 690g

• 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

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 3.5-4 Weight: 500 g Valve Core: Removable ISO Width (mm): 88 mm , 89 mm , 90 mm , 91 mm , 92 mm , 93 mm , 94 mm , 95 mm , 96 mm , 97 mm , 98 mm , 99 mm , 100 mm ISO Diameter: 559 / 26" MTN Valve: Presta Short 3240mm Wall Thickess: 1 mm

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 3.5-4 Weight: 500 g ISO Width (mm): 88 mm , 89 mm , 90 mm , 91 mm , 92 mm , 93 mm , 94 mm , 95 mm , 96 mm , 97 mm , 98 mm , 99 mm , 100 mm ISO Diameter: 559 / 26" MTN Wall Thickess: 1 mm

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

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 Valve: Standard Schrader Wall Thickess: 1 mm

• 4mm wall thickness in the tread area and 2mm in the rim area • ISO Diameter: 584 / 650b / 27.5" • ISO Width (mm): 52 mm , 53 mm , 54 mm , 55 mm , 56 mm , 57 mm , 58 mm • Labeled Size: 27.5 x 2.0-2.25 • Tube Compound: Butyl • Valve: Long Schrader • Valve Core: Removable • Valve Length: Schrader • Valve Shaft: Schrader

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.

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.

Challenge's S.C. Seamless Latex Tube is hand made for the highest quality. Latex tubes are usually lighter and roll with less resistance than standard butyl tubes. They also resist punctures. The S.C. fits tires 19 to 28mm wide, and has a 47.5mm-long valve with a removable core.

Surly Inner Tube to fit a wide range of plus-size and fat bike tires. - Labeled Size: 26 x 3.0 - 4.8 - Weight: 310 g - Valve Core: Removable - Shaft Type: Threaded - ISO Width (mm): 76mm–100mm - Tube Compound: Butyl - ISO Diameter: 559 / 26-inch MTN - Valve: Presta Short 32-40mm

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

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

- Presta tube (700x20-25)

• 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)

- The ultimate choice for flat protection - The tube is 5x thicker to provide unbeatable protection against even the most damaging - Tubes seek out and seal punctures as they happen - Put trust in your tires and ride without worries - Provides flat protection without significant added weight

This tube features high-density rubber for fewer flats.

This tube features high-density rubber for fewer 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.

These Giant tubes include flat sealant for reduced roadside maintenance.

Serfas replacement inner tubes are lightweight, durable, and affordable. The thorn resistant version helps reduce the chances of flats.

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.

Thanks to the lightweight aluminum valve and butyl rubber construction, Zipp's Tangente Butyl Tube weighs only 89 grams. So it reduces that ever-critical rotational mass making your wheels lighter and your bicycle easier to pedal too. This fine tube is also made of .85mm-thick rubber for excellent reliability. The valve is 37mm long and features a removable core.

• ISO Diameter: 571 / 650c • ISO Width (mm): 18 mm , 19 mm , 20 mm , 21 mm , 22 mm , 23 mm • Labeled Size: 650c x 18-23 • Tube Compound: Butyl • Valve: Presta • Valve Core: Removable • Valve Shaft: Threaded • Weight: 80g (32mm), 86g (48m & 60mm), 88g (80mm)

• 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" • 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: 92g (32mm), 94g (48mm), 96g (60mm), 98g (80mm)

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 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

• 1.2mm thick • ISO Diameter: 559 / 26" mtn • ISO Width (mm): 59 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 2.35-2.75 • Tube Compound: Butyl • Valve: Presta • Valve Core: Removable • Valve Length: Short 32-40mm • Valve Shaft: Threaded • Weight: 384g

• 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: 584 / 650b / 27.5" • ISO Width (mm): 52 mm , 53 mm , 54 mm , 55 mm , 56 mm , 57 mm , 58 mm • Labeled Size: 27.5 x 52/58 • Tube Compound: Butyl • Valve: Presta • Valve Core: Removable • Valve Shaft: Threaded

• 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)

• 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)

• 4mm wall thickness in the tread area and 2mm in the rim area • ISO Diameter: 622 / road / 29" • Tube Compound: Butyl • Valve: Presta • Valve Core: Removable • Valve Length: Short 32-40mm • Valve Shaft: Threaded • Weight: 368g (28-32), 438g (35-43)

• Low Lead Valve • 4mm wall thickness in the tread area and 2mm in the rim area • ISO Diameter: 507 / 24" BMX • ISO Width (mm): 48 mm , 49 mm , 50 mm , 51 mm , 52 mm , 53 mm , 54 mm • Labeled Size: 24 x 1.9-2.125 • Tube Compound: Butyl • Valve: Standard Schrader • Valve Core: Removable • Valve Length: Schrader • Valve Shaft: Smooth • Weight: 600g

The Q-Tubes Standard Line Presta Valve tubes feature QBP's widest variety of tube sizes and valve lengths with a proven record of high quality control and consistent availability .9mm wall thickness Removable Presta valve core Q-Tubes Standard Line packaging features environmentally friendly soy ink printing on recycled cardboard Labeled Size: 27.5 x 2.8-3.2 Weight: 325 g Valve Core: Removable Shaft Type: Threaded ISO Width (mm): 70 mm , 71 mm , 72 mm , 73 mm , 74 mm , 75 mm , 76 mm , 77 mm , 78 mm , 79 mm , 80 mm , 81 mm , 82 mm , 83 mm Tube Compound: Butyl ISO Diameter: 584 / 650b / 27.5" Valve: Presta Short 32-40mm Wall Thickess: .9 mm

Serfas replacement inner tubes are lightweight, durable, and affordable. The thorn resistant version helps reduce the chances of flats.

• 1.2mm thick • ISO Diameter: 559 / 26" mtn • ISO Width (mm): 59 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 2.36-2.75 • Tube Compound: Butyl • Valve: Standard Schrader • Valve Core: Removable • Valve Length: Schrader • Valve Shaft: Smooth • Weight: 388g

• ISO Diameter: 622 / road / 29" • ISO Width (mm): 28 mm , 29 mm , 30 mm , 31 mm , 32 mm • Labeled Size: 700c x 28-32 • Tube Compound: Butyl • Valve: Presta • Valve Core: Removable • Valve Shaft: Threaded • Weight: 102g (48mm), 104g (60mm)

• 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: 122g (32mm), 124g (48mm), 126g (60mm)

• 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: Presta • Valve Core: Removable • Valve Length: Short 32-40mm • Valve Shaft: Threaded • Weight: 283g

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

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

Tough conditions demand tough tubes. Michelin's Aircomp DH tubes are perfect for running low pressures and taking huge hits at high speed.

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.

Thicker than Panaracer's regular tubes, the Super Tube delivers excellent reliability. High-strength butyl provides enhanced puncture resistance, making it the only choice for downhill riding.

• ISO Diameter: 559 / 26" mtn • ISO Width (mm): 48 mm , 49 mm , 50 mm , 51 mm , 52 mm , 53 mm , 54 mm • Labeled Size: 26 x 1.9-2.125 • Tube Compound: Butyl • Valve: Presta • Valve Core: Removable • Valve Shaft: Threaded • Weight: 146g (32mm), 148g (48mm), 150g (60mm)