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 Road 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.

• 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)

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.

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.

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.

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.

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.

• Butyl rubber • Economy tube • Schrader valve • 20 x 1.75-1.95

• Butyl rubber • Thorn-resistant • Schrader valve • 24 x 1.9-2.35

• Butyl rubber • Thorn-resistant • 48mm-long Schrader valve • 29 x 2.1 (700 x 50-52)

• Butyl rubber • Thorn-resistant • 32mm-long Presta valve • 29 x 1.9-2.3

• Butyl rubber • Thorn-resistant • 32mm-long threaded Presta valve • 29 x 2.1 (700 x 50-52)

• Butyl rubber • Schrader valve • 24 x 1.5-1.95

• Butyl rubber • Schrader valve • 26 x 1.5-1.75

• Butyl rubber • Schrader valve • 700 x 35-40 (27 x 1 3/8)

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

• Butyl rubber • 48mm-long Schrader valve • 29 x 2.1 (700 x 50-52)

• Butyl rubber • Schrader valve • 20 x 1.35-1.5 (406 x 37)

• Butyl rubber • Schrader valve • 24 x 1 3/8

• Butyl rubber • Schrader valve • 26 x 1 3/8

• Butyl rubber • 32mm-long Presta valve (smooth/removable core) • 700 x 18-23 (27 x 1)

• Butyl rubber • Presta valve (smooth/removable core) • 26 x 4.0

Size: 27.5x2.10-2.35 Valve Type: SV Valve Length: 48mm Valve Core: Removable Flat Fold Width: 54mm Wall Thickness: 4.3mm

• 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)

• 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

• 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: 406 / 20" BMX • Tube Compound: Butyl • Valve: Standard Schrader • Valve Core: Removable • Valve Length: Schrader • Valve Shaft: Smooth • Weight: 98g (1.25-1.5), 114g (1.5-1.75), 130g (1.75-2.125), 152g (2.1-2.3)

• Low Lead Valve • ISO Diameter: 340 , 349 / 16" recumbent • ISO Width (mm): 35 mm • Labeled Size: 16 x 1-3/8 • Tube Compound: Butyl • Valve: Standard Schrader • Valve Core: Removable • Valve Length: Schrader • Valve Shaft: Smooth • Weight (g): 86 g