All it takes is for you to fix your bike tyres to it, and you'll get the same fitness benefits as from using an exercise bike.

The Mag comes with five adjustable levels of resistance so you can adapt every ride to your liking.

• Magnetic resistance unit provides a quiet and frictionless ride
• Linear resistance boosts workout intensity to match each pedal stroke and gear click
• Features five adjustable levels of resistance
• Compatible with Zwift and other indoor training apps