FBPILOT Posted June 13, 2013 Report Share Posted June 13, 2013 @Wheatbix I guess what I refer to as dual cell is a valve you can lock or unlock and allows air to move freely from one side to the other, so when you leen out of a medium or left hand drive Astar it supports your rear much better(and yes I am French!!!) and your spine alignment will thank you later down the road... It helps out a lot with comfort and body placement wich all helps reduce fatigue on long external load days! 7 Quote Link to comment Share on other sites More sharing options...
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