Noise (important): There will be load noise when working with rough tires. Quite when working with road bike tires Works on any surface: Simulates real cycling feel, rubber feet will prevent scratching wood floor. Built with a wide base and low stance for unshakable balance. Max load 330 lbs. Easy to install and release: Install process is easy. Quick release clamp helps clamps your rear wheel tightly. It also helps to take the bike down much easier than other bike trainers 8 resistance settings: 8 levels, magnetic resistances meet your specific needs about resistance & speed; handle bar mounted resistance controller easily lets you adjust resistance Wide compatibility: Balance from bike, trainer stand Fits any road or mountain bike with a 26-28" or 700C wheel