CycleOps Trainer Accessory Kit PowerTuned for optimal road-like feel. Progressive resistance offers the widest resistance range and road-like feel. Encased fluid resistance unit provides a quiet and more consistent ride. Includes, 2 Riser Blocks, 3 DVDs , Training Mat, Trainer Tire, Sweat Guard 3 DVDS are Power, Force, and Climb The CycleOps Trainer Accessory Kit comes in one combination