Self Sealing Thorn Resistant

Information from: http://bontrager.com/model/09326.

Protect yourself from flats with these specially-designed tubes that instantly seal small hole punctures.

Features

Bontrager SealSafe sealant seals more effectively than previous versions

Asymmetric extrusion puts the extra rubber only where it's needed - along the tire sidewall and tread zones

4.1mm thickness (tread side)