• 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

- 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

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

• 4mm wall thickness in the tread area and 2mm in the rim area • ISO Diameter: 622 / road / 29" , 630 / 27" • ISO Width (mm): 54 mm , 55 mm , 56 mm , 57 mm , 58 mm • Labeled Size: 29 x 2.1-2.3 • Tube Compound: Butyl • Valve: Presta • Valve Core: Removable • Valve Length: Short 32-40mm • Valve Shaft: Threaded • Weight: 681g

• 4mm wall thickness in the tread area and 2mm in the rim area • 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: Standard Schrader • Valve Core: Removable • Valve Length: Schrader • Valve Shaft: Smooth • Weight: 673g

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.

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)

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

• 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)