Mike's Bikes sits right on Wynkoop in the heart of LoDo, a block from Union Station and close enough to the Platte River Trail that you can test ride before you buy. This is where Denver's cycling obsessed and the just-getting-into-it crowd end up, whether that means a commuter bike, a gravel rig for the foothills, or an e-bike for cruising the Cherry Creek path without breaking a sweat. The staff actually ride, so you get real advice instead of a sales pitch. They handle tune ups, fittings, and repairs too, so it's not just a one and done purchase spot. With almost 700 reviews sitting at 4.8 stars, locals trust these guys for everything from a first bike to serious gear upgrades. Good for beginners, good for people who already have opinions about derailleurs.