Smarter Zwift-ready trainer with communication via ANT+ FE-C, Bluetooth, and integrated Wi-Fi. The pre-installed Zwift Cog allows for instant setup and is compatible with 8 to 12-speed drivetrains. With the Zwift Click, you control the resistance through 24 virtual gears – smoothly and silently. Precise power measurement in watts ± 1% and transmits data at 10 Hz for online racing. Simulates inclines of up to 18%. Equipped with black Flex Feet for lateral fluctuations of 4.5°. Compatible with Shimano Di2 electronic shifting.