M3i Studio Indoor Bike | Keiser
M3i Studio Indoor Bike | Keiser. I’ve tried a lot of stationary bikes, including very fancy indoor trainers, for getting in Zone 2 cardio and VO2 max training. I hate nearly all of them. This M3i is *not* fancy, but it does allow me to elevate the handlebars enough so that (1) I’m not bumping my thighs into my stomach like a one-hour Heimlich maneuver, and (2) it doesn’t make my low back incredibly grumpy. The controls are simple, it’s durable, I don’t use an app with it, and, so far, it’s the only indoor bike that I’ve used consistently. And more good news: it’s found in a lot of commercial g— Tim Ferriss