Tacx Genius Smart TrainerThis interactive trainer offers the most advanced brake of all the Tacx trainers with rear-wheel drive, so you can enjoy a highly realistic cycling experience. The motor brake is able to apply a maximum power of 1500 W to the back wheel and will speed up during a descent The slopes simulated are realistic up to 20% and down to -5% for descents. The Genius communicates via ANT+ and Bluetooth Smart for convenient training sessions using your smartphone or tablet Performance data can be viewed on several devices simultaneously, including your smartphone, bike computer and sports watch. The Genius offers ease-of-use and freedom of choice When the Genius Smart isn’t connected to a smartphone, tablet or computer, it behaves as a fluid trainer. This means the trainer behaves progressively: when your speed increases, the resistance increases as well. So it is possible to use this trainer in a “stand-alone” status Features: Software: Tacx apps & Third party apps PC software via upgrade Operation: Automatic Resistance Unit: Motor brake Realistic Slope: 20% (With a total weight of 75 kg) Descent Simulation: -5% Max Brake Power (10 sec ): 1500 Watt Mass Inertia: 125kg (Flywheel effect: the higher the value, the more realistic the cycling experience) Suitable For: all bikes, if necessary with axle skewers or nutsPlease Note: Comes with UK Power supply Buy Tacx Training from Chain Reaction Cycles, the World’s Largest Online Bike Store.