We bought this yesterday. My wife tried it first and it looked like she was struggling with it. Today I tried it first thing and thought it was difficult, like you had to think about what it took to run it??? I examined it and when I tried to lift the left pedal, the whole crank turned and the pedal didn’t drop down. When I touched the bolt hat the pedal pivots on, it was getting hot on both ends. Took the unit to my garage and removed the bolt. I should have tried pressing the plastic bushings in a bit farther, but I belt sanded maybe 1/32 of an inch off of it. I trimmed the burrs off the bushing from sanding and reassembled it. Wow it works like a champ now. We tried several different chairs, but one of our adjustable desk chairs worked best. My wife loves how it works now. Better a 10 minute fix than returning it and giving up on the whole thing. From a 70 year old retired maintenance supervisor/electrician.
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