Now smarter and more refined. The VOLT(TM) V2 is the best value for money trainer to unlock your potential and power your performance. The VOLT(TM) V2 Smart Indoor Cycle Trainer comes pre-assembled with an 11 speed cassette making it super easy to start riding. There are no added costs. The Volt(TM) V2 is extremely quiet and provides an exceptional riding experience. Designed to seamlessly connect with most popular training platforms. Attach your bike, CONNECT & GO. Specifications: - ANT FE- C controllable trainer - Broadcasts ANT , Speed, Power and Cadence - Bluetooth FTMS controllable trainer - Broadcasts Bluetooth, Speed, Power and Cadence - Connects to Heart rate monitors via BLE and ANT - Broadcasts connected Heart rate via BLE - Spin down calibration Compatibility: - Wheel sizes: Compatible with 650c, 700c, 24?, 26?, 27.5?, 29?, Road and MTB wheels - Axles: Compatible with 130 mm and 135 mm quick release, 12x142 mm and 12x148 mm thru axles - Freehub body: Shimano HG - Cassette: 11 speed Shimano/Sram cassette. VOLT(TM) is compatible with XD-R but a XD-R freehub body is purchased separately. Performance: - Power accuracy: /- 2.5% - Max wattage: 1800W - Max gradient simulation: 16% - Flywheel weight: 4.7 kg / 10.3lbs - Metrics: Power, cadence, speed, & distance Additional specs: - Maximum rider weight: 120 kg / 264.5 lb - Sound: 52 db at 250 watts - Operating temperatures: -10 C to 35 C (14 F to 95 F) - Power requirements: 100-240 V, 1.5 A, 50 Hz-60 Hz