No longer do you have to choose between the freedom of rollers & the training data of a digital trainer now you can have both An ANT coded wireless head unit allows training data to be displayed in real time LCD screen displays Speed Distance Heart rate Cadence Time & Wattage Powerful resistance unit with 16 different levels acts on both rear rollers to provide a wide variety of training intensities Resistance can be adjusted as you ride or with adjust automatically with customisable custom workouts Perfectly balanced narrow-gauge parabolic roller drums for quiet operation increased confidence & higher RPMs giving greater resistance Integral frame step allows easy mounting & dismounting Fully sealed bearings for smooth quiet operation Folds for easy storage or transport The specialized speedzone sport wireless cadence 2013 from cyclestore.co.uk Intuitive interface in a compact size with all the essential functions of a full-feature computer including cadence Easy set-up programming for simple installation Automatic functions create an extremely intuitive interface Auto-wake & auto-timer: No need to push a button to start/stop the computer Speed maximum speed average speed Odometer trip meter Speed comparator low-battery indicator Wired Cadence 40% smaller in size yet bigger digits for easy viewing