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.

• 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)

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.

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.

• Low Lead Valve • ISO Diameter: 203 / 12.5 • ISO Width (mm): 57 mm • Labeled Size: 12 x 2-1/4 • Tube Compound: Butyl • Valve: Standard Schrader • Valve Core: Removable • Valve Length: Schrader • Valve Shaft: Smooth

• Low Lead Valve • ISO Diameter: 305 / 16" BMX • Tube Compound: Butyl • Valve: Standard Schrader • Valve Core: Removable • Valve Length: Schrader • Valve Shaft: Smooth • Weight: 76g (1.25-1.5), 92g (1.5-1.75), 102g (1.75-2.125)

• 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

• 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: 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: 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

• Low Lead Valve • ISO Diameter: 540 / wheelchair • ISO Width (mm): 35 mm • Labeled Size: 24 x 1-3/8 • Tube Compound: Butyl • Valve: Standard Schrader • Valve Core: Removable • Valve Length: Schrader • Valve Shaft: Smooth • Weight: 124g

• 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)

• ISO Diameter: 622 / road / 29" • Tube Compound: Butyl • Valve: Long Schrader • Valve Core: Removable • Valve Length: Schrader • Valve Shaft: Smooth

• 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: Long Schrader • Valve Core: Removable • Valve Length: Schrader • Valve Shaft: Smooth

• ISO Diameter: 622 / road / 29" • 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: Long Schrader • Valve Core: Removable • Valve Length: Schrader • Valve Shaft: Smooth

• 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

• 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

• 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

• 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

• 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 • Tube Compound: Butyl • Valve: Presta • Valve Core: Removable • Valve Length: Schrader • Valve Shaft: Schrader

• ISO Diameter: 438 , 451/ 20 x 1-1/8", 20 x 1-1/8" • ISO Width (mm): 25 mm , 26 mm , 27 mm , 28 mm • Labeled Size: 20 x 1-1/8 • Tube Compound: Butyl • Valve: Presta • Valve Core: Removable • Valve Shaft: Threaded • Weight: 78g (32mm), 84g (60mm)

• 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" , 590 / 26 x 1 3/8" • ISO Width (mm): 37 mm • Labeled Size: 26 x 1-3/8 • Tube Compound: Butyl • Valve: Standard Schrader • Valve Core: Removable • Valve Length: Schrader • Valve Shaft: Smooth • Weight: 136g

• ISO Diameter: 622 / road / 29" • 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: 226g

• 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: 540 / wheelchair • ISO Width (mm): 35 mm • Labeled Size: 24 x 1-3/8 • Tube Compound: Butyl • Valve: Presta • Valve Core: Removable • Valve Length: Short 32-40mm • Valve Shaft: Threaded • Weight: 122g

• ISO Diameter: 559 / 26" mtn , 584 / 650b / 27.5" • ISO Width (mm): 33 mm , 34 mm , 35 mm , 36 mm , 37 mm , 38 mm , 39 mm , 40 mm , 41 mm , 42 mm , 43 mm , 44 mm • Labeled Size: 26 x 1.5-1.75 • Tube Compound: Butyl • Valve: Presta • Valve Core: Removable • Valve Shaft: Threaded • Weight 152g (32mm), 158g (48mm)

• ISO Diameter: 559 / 26" mtn • ISO Width (mm): 53 mm , 54 mm , 55 mm , 56 mm , 57 mm , 58 mm • Labeled Size: 26 x 2.1-2.3 • Tube Compound: Butyl • Valve: Presta • Valve Core: Removable • Valve Shaft: Threaded • Weight: 202g