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.

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 Presta 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.

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.

• 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)

Reducing rotating weight is one of the greatest improvements you can make to any bike, which is why Bontrager's Race X Lite Tube uses a 0.6mm wall thickness to keep the weight low. And, it's equipped with a removable valve core for easy sealant application and simple core replacement.

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling. These tubes fit older Schwinn bicycles with 26 x 1-3/8-inch wheels.

• Low Lead Valve • ISO Diameter: 540 / wheelchair • ISO Width (mm): 28 mm • Labeled Size: 24 x 1-1/8 • Tube Compound: Butyl • Valve: Standard Schrader • Valve Core: Removable • Valve Length: Schrader • Valve Shaft: Smooth • Weight: 94 g

• ISO Diameter: 340 , 349 / 16" recumbent • ISO Width (mm): 35 mm • Labeled Size: 16 x 1-3/8 • Tube Compound: Butyl • Valve: Presta • Valve Core: Removable • Valve Length: Short 32-40mm • Valve Shaft: Threaded • Weight: 84g

• ISO Diameter: 400/18" • ISO Width (mm): 35 mm • Labeled Size: 18 x 1-3/8 • Tube Compound: Butyl • Valve: Presta • Valve Core: Removable • Valve Length: Short 32-40mm • Valve Shaft: Threaded • Weight: 98g

• Butyl rubber • Schrader valve • 26 x 3.5

• Low Lead Valve • ISO Diameter: 507 / 24" BMX • Tube Compound: Butyl • Valve: Standard Schrader • Valve Core: Removable • Valve Length: Schrader • Valve Shaft: Smooth • Weight: 150g (1.5-1.75), 156g (1.9-2.125), 180g (2.1-2.3)

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

• 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

• ISO Diameter: 305 / 16" BMX • Tube Compound: Butyl • Valve: Presta • Valve Core: Removable • Valve Length: Short 32-40mm • Valve Shaft: Threaded • Weight: 76g (1.25-1.5), 88g (1.5-1.75)

• 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: 170g (32mm), 171g (48mm)

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.

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 • Schrader valve • 18 x 1.75

• Butyl rubber • 60mm-long Presta valve (smooth/removable core) • 26 x 1 (650 x 18-23)

• Low Lead Valve • ISO Diameter: 355 • ISO Width (mm): 44 mm , 45 mm , 46 mm , 47 mm , 48 mm , 49 mm , 50 mm , 51 mm , 52 mm , 53 mm , 54 mm • Labeled Size: 18 x 1.75-2.125 • Tube Compound: Butyl • Valve: Standard Schrader • Valve Core: Removable • Valve Length: Schrader • Valve Shaft: Smooth • Weight (g): 118 g

• Low Lead Valve • ISO Diameter: 451/ 20 x 1-1/8", 20 x 1-1/8" • ISO Width (mm): 28 mm , 29 mm , 30 mm , 31 mm , 32 mm , 33 mm , 34 mm • Labeled Size: 20 x 1-1/8 - 1-3/8 • Tube Compound: Butyl • Valve: Standard Schrader • Valve Core: Removable • Valve Length: Schrader • Valve Shaft: Smooth • Weight: 94g

• Low Lead Valve • ISO Diameter: 457 • ISO Width (mm): 44 mm • Labeled Size: 22 x 1.75 • Tube Compound: Butyl • Valve: Standard Schrader • Valve Core: Removable • Valve Length: Schrader • Valve Shaft: Smooth • Weight: 145 g

• ISO Diameter: 438 , 451/ 20 x 1-1/8", 20 x 1-1/8" • ISO Width (mm): 28 mm , 29 mm , 30 mm , 31 mm , 32 mm , 33 mm , 34 mm • Labeled Size: 20 x 1-1/8 - 1-3/8 • Tube Compound: Butyl • Valve: Presta • Valve Core: Removable • Valve Shaft: Threaded • Weight: 98g

• ISO Diameter: 520 / 24" mini bmx • ISO Width (mm): 29 mm • Labeled Size: 24 x 1-1/8 • Tube Compound: Butyl • Valve: Presta • Valve Core: Removable • Valve Length: Short 32-40mm • Valve Shaft: Threaded • Weight: 92g

• Butyl rubber • 60mm-long Presta valve (smooth/removable core) • 700 x 18-23 (27 x 1)

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