Here is another exercise machine that helps take your endurance and cardio training to the next level. The AssaultRower Elite has an aluminum beam and steel foot plates. It comes with ANT+ connectivity and on-board training programs.
This rower machine has a 4-way leveling/stabilizer system for a safe workout. It also has a built-in handle and transport wheels, so you can easily move it around. The AssaultRower Elite can handle up to 350lbs of weight.