Tubes: All Sizes/Types

- Size: 14 x 1.5 – 2.25 - ISO Width: 44 – 55mm - ISO Diameter: 254 / 14" - Wall Thickness: 0.9 - Shaft Type: Smooth - Valve: Standard Schrader - Valve Core: Removable - Tube Compound: Butyl

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

- ISO Diameter: 406 / 20" BMX - Wall Thickness: 0.9mm - Tube Compound: Butyl - Valve: Standard Schrader - Shaft Type: Smooth - Valve Core: Removable

- ISO Diameter: 507 / 24" BMX - Tube Compound: Butyl - Wall Thickness: 0.9mm - Valve: Presta - Valve Core: Removable - Valve Shaft: Threaded Note: This product may have different packaging than pictured with a slightly different labelled size. Rest assured, the size range on the package will have the same or a broader functional range as the listed sizing of the product you ordered.

- ISO Diameter: 507 / 24" BMX - Tube Compound: Butyl - Wall Thickness: 0.9mm - Valve: Standard Schrader - Shaft Type: Smooth - Valve Core: Removable

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

- ISO Diameter: 559 / 26" mtn - Tube Compound: Butyl - Valve: Standard Schrader - Valve Core: Removable - Valve Shaft: Smooth - Weight: 102g (1-1.25), 165g (1.5-1.75), 174g (1.9-2.125), 198g (2.1-2.3), 281g (2.4-2.75)

- Size: 650B x 35 – 43 - ISO Diameter: 584 / 650b / 27.5" - ISO Width: 35mm, 36mm, 37mm, 38mm, 39mm, 40mm, 41mm, 42mm, 43mm - Tube Compound: Butyl - Valve: Presta - Valve Core: Removable - Valve Length: Short 32-40mm - Valve Shaft: Threaded - Weight: 83g

- Valve type: Presta - Valve core: Removable - Butyl rubber - Wall thickness: 0.9mm

- Valve type: Presta - Valve core: Removable - Butyl rubber - Wall thickness: 0.9mm

- Valve: Presta - Butyl rubber - Wall thickness: 0.9mm

- Valve: Presta - Valve core: Removable - Butyl rubber - Wall thickness: 0.9mm

- Valve: Presta - Valve core: Removable - Butyl rubber - Wall thickness: 0.9mm

- Valve type: Schrader - Valve core: Removable - Butyl rubber - Wall thickness: 0.9mm

- Valve Type: Schrader - Valve Length: 32mm - Valve Core: Removable - Butyl rubber - Wall Thickness: 0.9mm

- Valve type: Schrader - Valve core: Removable - Valve stem: Smooth - Butyl rubber - Wall thickness: 0.9mm

- Valve Type: Schrader - Valve Core: Removable - Butyl rubber - Wall Thickness: 0.9mm

- Valve type: Schrader - Valve core: Removable - Butyl rubber - Wall Thickness: 0.9mm

- Valve type: Schrader - Valve core: Removable - Butyl rubber - Wall thickness: 0.9mm

- Valve type: Schrader - Valve core: Removable - Butyl rubber - Wall thickness: 0.9mm

- Valve Type: Presta - Valve Core: Removable - Butyl rubber - Wall Thickness: 4.3mm

- Valve type: Presta - Valve stem: Threaded - Valve core: Removable - Butyl rubber

- Valve type: Schrader - Valve core: Removable - Butyl rubber - Wall thickness: 4.3mm - Thorn-resistant

- Valve Type: Schrader - Valve Core: Removable - Butyl rubber - Wall Thickness: 4.3mm

- Butyl rubber - Removable valve core - Schrader valve - Wall thickness: 0.9mm

- Valve Type: Schrader - Valve Core: Removable - Butyl rubber - Wall Thickness: 0.9mm

- Valve Type: Presta - Valve Stem: Smooth - Flat Fold Width: 56mm - Wall Thickness: 3.7mm/1.7mm

- Butyl rubber - Thorn-resistant - Economy tube - Presta valve - Wall thickness: 3.7mm/1.7mm

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

Giant's downhill tubes are made from super burly rubber to withstand all the DH abuse you can dish out.