- Shim adds support to presta stem used in a schrader rim

• Butyl rubber • Economy tube • Schrader valve • 16 x 1.5-1.95: 35mm valve stem • 16 x 2.125: 32mm valve stem

• Butyl rubber • Economy tube • Schrader valve • 12-1/2 x 2-1/4

• Butyl rubber • Schrader valve • 700 x 28-35 (27 x 1 1/8-1/4)

• Butyl rubber • Economy tube • Schrader valve • 20 x 1.95-2.125: 32mm valve stem • 20 x 2.0-2.4: 35mm valve stem

• Butyl rubber • Economy tube • Schrader valve • 35mm valve stem • 24 x 1.5-1.95

• Butyl rubber • Economy tube • Schrader valve • 35mm valve stem • 26 x 1 3/8

• Butyl rubber • Economy tube • Schrader valve • 27 x 1-1/4

Serfas replacement inner tubes are lightweight, durable, and affordable.

- Valve Type: Schrader - Valve Length: 35mm - Valve Stem: Smooth - Valve Core: Removable - Flat Fold Width: 51mm - Wall Thickness: 0.9mm

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

- Size: 26 x 1.50-1.95 - Valve Type: Schrader - Valve Core: Removable - Flat Fold Width: 39mm - Wall Thickness: 0.9mm

- Butyl rubber - Economy tube - Schrader valve - 700 x 35-42c

WeThePeople innertubes are made of high-quality rubber and work very well to keep air in your tires. Designed for today's wider tires, they keep you rolling smoothly in all conditions. These are for 22-inch tires.

- Butyl rubber - Presta Valve - Valve Angle: 0d - Removable Valve Core - Flat Fold Width: 22mm - Wall Thickness: 0.9mm

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

• Butyl rubber • Economy tube • Presta valve • Non-removable core • 700 x 18-25c

• Butyl rubber • Economy tube • Presta valve • Non-removable core • 700 x 32-38c

Serfas replacement inner tubes are lightweight, durable, and affordable.

• Butyl rubber • 48mm-long Schrader valve • 700 x 28-35 (27 x 1 1/8-1/4)

- Valve Type: Presta - Valve Core: Non-Removable - Wall Thickness: 0.9mm - Flat Fold Width: 44mm (1.75-2.10), 65mm (2.50-3.0), 78mm (3.0-3.50)

• Butyl rubber • Economy tube • Presta valve • Non-removable core • Valve length: 32mm • 26 x 1.5-1.95

- Size: 700 x 35-42 (27 x 1-3/8) - Valve Type: Presta - Valve Core: Non-Removable - Flat Fold Width: 35mm - Wall Thickness: 0.9mm

• Butyl rubber • Economy tube • Presta valve • Non-removable core • 29 x 2.0-2.4 / 700 x 47-52c

• Butyl rubber • 32mm-long Presta valve (smooth/removable core) • 700 x 28-35 (27 x 1 1/8-1/4)

• Butyl rubber • 32mm-long Presta valve (smooth/removable core) • 700 x 35-40 (27 x 1 3/8)

- Size: 18 x 2.125 - Valve Type: Schrader - Valve Length: 32mm - Valve Stem: Smooth - Valve Core: Removable - Flat Fold Width: 51mm - Wall Thickness: 0.9mm

• Butyl rubber • 48mm-long Presta valve (smooth/removable core) • 26 x 1.9-2.35

• 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: 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)