Downhillers demand thicker tubes for the more rock strewn and root infested technical courses. Pinch flats are a common sight at the world cups. Airwave DH tubes are designed to not pinch flat with thicker tube walls.
Airwave DH Tube - Super Value 10 Pack Specifications:
26 x 2.1 - 2.6 Presta (10 Pack )
26 x 2.1 - 2.6 Schrader (10 Pack )
Buy Airwave DH Tube - Super Value 10 Pack from Chain Reaction Cycles, the worlds largest online bicyle store