The most convenient and natural indoor training experience. Designed to deliver the smooth ride experience of rollers with the added performance advantages only Wahoo can deliver. SAFETY TIRE GRIPPER The KICKR ROLLR safety tire gripper can hold up to a 2.1"" (53mm) tire to keep your bike upright and secure, making it easy to get on and off the bike while providing confidence-inspiring stability, even when sprinting. QUICK-ADJUST WHEELBASE CLAMP Setting up or switching bikes is simple on KICKR ROLLR, making it perfect for use with multiple bikes. Just open up the quick-adjust wheelbase clamp, slide the front and back wheel chocks to match your bike's wheelbase, and you're ready to roll. POWER METER CONNECT Connect Wahoo POWRLINK ZERO power pedals or other ANT+ power meters to get the benefits of training with power. ROLLR provides power readings to within +/-1% accuracy of the power meter, allowing you to train with the same precision, indoors and outdoors. In the box: - KICKR ROLLR - AC Power Adapter - Owner's Manual Supported Devices: - iOS - Android - PC (Mac and Windows)"