Wireless communication: ANT + (performance, speed & cadence) and Bluetooth. Maximum performance: 1580 watts (60 km / h) - 780 watts (40 km / h). Compatibility with My E-Training Software & App, Zwift, Trainerroad, Kinomap, The Sufferfest. Bike compatibility: road, Mountainbike and Citybike (also carbon) with 130-135 x 5mm quick release hubs and 142 x 12mm thru-axle hubs. Cassette compatible: Shimano 9/10/11-v., Sram (Road). Includes a free 12-month subscription to the My E-Training Software & App.