The pump 500 exercise bike comes with a variety of adjustable features the saddle can be adjusted both vertically and horizontally the handlebars can be pivoted forwards backwards and the pedals have adjustable foot straps this means that you can obtain the most comfortable pedalling position for your own needs and adapted to suit different users the tension is controlled using the adjustment knob on the front post there are 8 levels to choose from so it is suitable for all levels of fitn