Train indoors like the Pro’s with the Volt Essentials bundle. JetBlack’s Volt EMS Smart Trainer is a performance driven electro magnetic trainer built to give you the best indoor trainer riding experience. The VOLT™ comes pre-assembled with an 11 speed cassette making it super easy to start riding. With an accuracy of plus/minus 2.5%,a gradient simulation of up to 16% and a max Output of 1800W this trainer has the capacity to meet all of your riding needs. It broadcasts ANT+, Speed, Power and Cadence providing you with up to date training metrics. The JetBlack Turn Block has been designed to level the front wheel whilst allowing freedom of movement. This provides a superior indoor riding experience on any indoor trainer.