I'd love to know the answer to that question too. Gordon White, I have a treadmill at home that I incline & walk on. I go to the gym to use the equipment & its not easy when 1/2 of them are out of order & have been for weeks!!
A good alternative is you can crank up a treadmill to 10 to 12 incline at about a 3.5 or 4 speed and get the same quality as the stair climbers
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