ASK-2 main frame is the main frame of ski trainer.Main frame comes with power adapter so that ski trainer will be plugged into wall to run power. The ski trainer uses magnetic resistance controlled by console. In order for console to adjust resistance, ASK-2 ski trainer main frame must have power. Power can be provided by the adapter it comes with, must be plugged in.
Floor stand is used to attach to main frame so that unit can be freestanding.
Wall mount bracket (comes with hardware) is used to bolt/mount Ski Trainer into the wall.
If you have the battery case, your Ski Trainer can run on battery power.
Pull bar is a attachment for Ski Trainer. It is used to do chest press, lat pulldown, rows, and other exercises