Training for an event or just trying to keep ahead of your friends. This unit will let you know more information then you know what to do with. Perfect for training and keep tabs on what you are doing on the bike to stay ahead of the competition. VDO is the leading supplier of automotive electronics and mechatronics in the industry. Taking all the innovation they have learned over the years and applying it to their bicycle computers.VDO is the leading supplier of automotive electronics and mechatronics in the industry. Taking all the innovation they have learned over the years and applying it to their bicycle computers.