Built to deliver the optimum indoor cycling experience, the C-21x features a solid 16 kg flywheel and 8 levels of resistance the C-21 is ideal for steady-state and interval training. Complete your ride anywhere with the self-generating motor eliminating the need for a power outlet and transport wheels to conveniently store your bike in between uses. The signature adidas Ultra Series red LED lighting powers up when you create energy, encouraging riders to maintain momentum and test their limits.

Realistic Riding Experience

Designed to deliver the most natural riding experience possible, the C-21x features a large 16kg rear-drive flywheel, designed to simulate the feeling of an outdoor bike by storing kinetic energy and maintaining momentum for a smooth cycling motion. Take control over the intensity of your ride by manually shifting the 8-level resistance paddle to lower or increase the energy required for each pedal stroke.

Self-Generating Motor

With the internal self-generating motor, you are the one that creates energy and powers the C-21x’s impressive features. No need for a power adapter, tangled wires or restrictive plug sockets, you have the power and freedom to train anywhere in your home.

Stay Entertained

If you’d prefer to watch the latest movies or box sets while you row, a convenient tablet and smartphone holder has been built into the console to provide you with an optimum viewing angle when working out on the C-21x.

Intuitive Console

The C-21x’s onboard computer delivers live performance metrics including speed, time, distance, calories, pulse and RPM. With the supplied chest strap, you can also monitor your heart rate and receive accurate data on your performance.