The CatEye Velo 9 Cycle Computer is just the thing for those who prefer cycling over driving. It shows the how much CO2 you save by cycling. In addition, it tracks calorie consumption and of course has the standard displays such as speed, distance travelled and average speed. Power save mode allows the small battery to last quite a while, and thanks to the single-button control it is incredibly easy to use. Do you use your bicycle every day? Then the Velo 9 Cycle Computer definitely deserves a spot on your handlebars.