Perfect for the active family, the Encore X kids bike trailer and double stroller with suspension provides smooth rides on gravel or bumpy trails. Quickly transition from biking to strolling with the included stroller kit. Compatibility with all the Burley conversion kits opens up the option for jogging, strolling, or skiing adventures. The Encore X features seat pads, tinted side and rear windows with UV protection, and a sunshade for bright days. Explore the road less traveled with your little ones comfortably in tow! Included 1-Wheel Stroller Kit enhances use with a quick transition from biking to strolling out of the box ,Suspension keeps kids comfortable by softening bumps and jostles ,20” push button wheels are quick and easy to install and remove ,Height adjustable ergonomic handlebar doubles as an additional roll bar when folded forward while biking ,Water-resistant cover and zippers provide added protection in wet conditions. ,.