Looking for the next generation of indoor training? Cycleops Hammer redefines what we know of bike trainers and brings you a direct drive style trainer that is versatile enough to handle the toughest intervals, as well as the easiest of recovery rides. With a massive 20lb. precision-balanced flywheel, the Hammer delivers a smooth road-like feel, capable of replicating any outdoor ride from rolling hills to pain face inducing 20% grades. If resistance training is more your thing, pair it with Cycleops rapid response electromagnetic resistance system to span large resistance training. The Cycleops Hammer does all of this while still whispering quietly in your home at only 64 decibels. So simply pop off your rear wheel, connect to your favorite virtual training software and prepare to hammer away!