Bontrager Inner Tube - 29" | Self Sealing | 1.75-2.125"

Protect yourself from flats with these specially-designed Self-Sealing tubes that instantly seal small hole punctures. Bontrager SealSafe sealant seals more effectively than previous versions. 0.9 mm wall thickness.

There are three types of valves:
Presta valve: also known as Sclaverand or French valve.
Dunlop valve: Woods, Bicycle, English or Dutch valve.
Schrader valve: standard or automotive valve.
Valve type: Presta