Wahoo Fitness KICKR CORE 2 Smart Trainer Description: The Wahoo Fitness KICKR CORE 2 Trainer builds upon the success of the first KICKR Core model launched in 2018, revolutionizing ride feel and connecting seamlessly to popular cycling apps for a smart training experience that won't break the bank. Internal flywheel technology delivers a realistic feel that operates with minimal operational noise, making year-round indoor training a reality. A revised shifting suite enables users to utilize a traditional 11-speed cassette or Zwift Cog & Click for ideal bike and trainer compatibility. Wi-Fi connectivity receives a refresh in KICKR CORE 2, giving riders a better connected and significantly more advanced ride experience; increasing the ability to connect across phones, tablets, and other electronic devices, plus faster data transfer speed vs. Bluetooth and ANT+. Serious indoor cyclists will benefit from KICKR Race Mode for near instantaneous power response that will extract every spirited effort, supported by a stable, flatter leg design that will stand strong in the face of aggressive riding. Features: Indoor Smart Trainer with drivetrain compatibility and improved connectivity Wi-Fi connectivity enables advanced interactivity across personal smart devices Revised leg design assembles easily and provides ultimate stability KICKR Race Mode offers near instantaneous power response KICKR Bridge interprets heart rate monitor data directly to apps Multi-color LEDs indicate trainer status clearly, reducing setup and diagnostics Control and customize all workouts and settings, and access advanced workout analytics via Wahoo app subscription 11-Speed Cassette represents compatibility and ease of install Specifications: Resistance Type: Electromagnetic Connectivity: Wi-Fi, ANT+ FEC, ANT+ Power, Bluetooth FTMS, and Zwift Protocol Maximum Power Output: 1800 Watts Drive Type: 11 Speed Cassette (11-28T) Hub Compatibility: 130/135mm QR, 12x142 Thru Axle, and 12x148 Thru Axle