I presently use my gears for resistance but will be going to level 2 in a few weeks. Sucks your belly in nicely. I eyeballed it and it worked great but in hindsight should have done it right and used stops on the drill bit just to make sure. Not sure what that says about consistent supply chain. -Super sturdy-Lots of little cable holes to wrap lightning and USB-C cables through to charge devices-Room on the side where we mounted some 3M Command hooks to hold towelsYes its a big price tag, but it allows you to do more on the trainer in a way few other products do. Even my champagne flutes do not fit; although the base of the flutes will fit in the rack the flutes themselves dangle precariously close to the wine bottles on the top level - too close for my comfort. Im definitely returning them. I wore them all say every day for almost 2 weeks and they were comfortable and looked good too. The keyboard itself is great and perhaps some cant hear the annoying tone, but I recommend you check when you receive it. I will buy these slippers again when the first ones wear out.