New York Post Composite Don’t trip over this deal. The challenge with finding sleek workout equipment that still delivers a real workout is that some designs are simply too compact, especially with under-desk treadmills. I’ve tried a few myself, and some models are so narrow and short that it’s hard to fit in a proper stride and stay balanced. But one design on Amazon has racked up more positive reviews from users who say they still have “plenty of room” on the 16.5 x 41-inch belt for their feet and longer strides. And, this specific model from the reputable MERARCH Fitness brand is currently on sale for almost $200 off. “It seems well built, very sturdy and quiet… The remote is easy to use and you can toggle through different speeds and incline levels while walking with no problems,” one shared.…