Basic Indoor TrainerManually controlled trainer features seven resistance levelsEasily locks into place for a steady rideVirtually silent flywheel lets you ride without disturbing others2.64 lb (1.2 kg) flywheel simulates the feel of riding outdoorsSturdy design allows for a maximum sprint resistance of 700 wattsThe TacxA(R) Blue Twist trainer takes the complications out of indoor training and provides a stable, realistic ride. It features manual resistance, so you can control the intensity of your workout while a compact flywheel generates a realistic road feel.You're in ControlSet your desired resistance ahead of your ride with a lever on the resistance unit. With seven positions and a maximum power of 700 watts, this trainer is perfect for your daily workouts.Smooth and SilentBlue Twist features a sturdy roll core with soft plastic to absorb vibrations. This dramatically reduces noise, so you can ride without disturbing others nearby.A Realistic RideThe 2.64 lb (1.2 kg) flywheel is able to replicate a mass inertial effect of 17.6 lbs (8 kg), giving you the feel of riding outdoors.Made to LastNo matter how intense your workout, this bike trainer is stable and built to last. It securely locks your bike into place with two easy clicks, so you can ride hard and know you're not going anywhere. The Blue Twist trainer also features a single roll made from a hardened steel sleeve to prevent wear.Virtual PowerWith the addition of the Tacx speed and cadence sensor, you can train with popular apps - based on virtual power - such as Zwift, TrainerRoad and Tacx software. The sensor transmits your speed and cadence wirelessly to your compatible smartphone, tablet or computer.