With a sturdy frame that holds up to 50 pounds, the exposed spring suspension system delivers a smooth ride to even the big kids over bumpy surfaces. (stroller-envy.com)
A self - leveling rear air spring suspension system is available for severe off - road and towing requirements. (topspeed.com)
chair has an integrated spring suspension system which makes it more comforable than a regular dining chair. (bhg.com)