"The extension device is a tool of the stair climber, which plays a role in widening the bearing range of the stair climber and improving the stability of the loading goods."
It is suitable for XSTO Stair Climber ZW4170D,ZW4200D,ZW7170G,ZW7170E,ZW7200G, ZW7250GC
Installation Instructions:①Remove the fender；② Find the mounting hole on the stair climber；③Twist the bolts, put the stair climber between the bolts and the extension device, and assemble the stair climber and the extension device by the bolts. Notice the direction of the small screw head inward.
"NOTE:Read the user manual and pay attention to the safety instructions before operation."
