ERJ staff report (DS)
Livermore, California - A California mountain bike specialist has developed a tyre inflation/deflation system for mountain bikers who want to increase tyre pressure on the downhill run, but drop the pressure for extra grip on the climbs, without getting off the bike.
Adaptrac describes the system as a Traction system. It involves a bottle of compressed carbon dioxide which sits on the frame and pipes which go through a special hub directly to the tyre inflation valve.
Tire pressure can be raised or lowered while riding with a quick press of the finger on the handlebar control toggles. Actual tyre pressure is displayed on analog gauges mounted on the handlebars.
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Website of Adaptrac