Lightweight aluminium with an extendable back and folding foot plate capacity pulled 60kg stairs 40kg sand 50kg floating axle technology and active variable footprint complete with its own elasticised bungee strap unfolded d x w x h 500 x 740 x 1150mm folded d x w x h 215 x 485 x 800mm 250mm diameter puncture safe wheels weight 5kg