The dkn airun i treadmill comes with a 225hp continuous duty self cooling drive motor 4hp peak and offers a maximum speed of 20kph 124mph this premium quality machine has a 49cm 193 x 140cm 55 running deck and features 15 levels of electronically controlled incline enabling you to target different muscle groups the airun i is supplied with a 3mm thick orthopaedic belt and utilises the progressive shock absorbing system deck for supreme cushioning and support it is fitted with