What is the difference between an exercise bike and ergometer?

What is the difference between an ergometer and a recumbent ergometer?

Can the ergometers be moved? Are the devices heavy?

Do I need to maintain the ergometer? Do the moving parts inside wear out?

How much flywheel mass should an ergometer have?

Is the cross trainer or the elliptical trainer more effective?

General

General

General

What is the difference between a cross trainer and a elliptical trainer?

4837 Ergo-Motion BT

What can I train with a rowing machine?

3602 Cardio Strider 3.1

General

3603 Cross Rower 2.5