Direct Drive trainer compatible with 130mm x135mm and 12x142 thru axle bikes Free iOS or Android tablet and smart phone training sessions included Manual handlebar adjustment with 7 resistance levels Whisper quiet and smooth Realistic road feel (long coast down times) Adjustable Resistance 0-1,200W Ultra stable frame design - the widest ground contact point is positioned in line with the user`s center of mass for rock-solid sprints or intervals Compatible with 10/11 speed cassettes. Campy and XD drivers available More accurate and repeatable resistance No tire wear Magnetic Direct Drive 0-1,200 W