If you talk to any road cyclist or racing bike enthusiast you will find 9 times out of ten that they own a bike computer. The simple reason why is that number and stats help a rider get better and evaluate there progress to becoming a better rider with higher stamina. It allows you to measure your distance, speed, average speed and time, which come in very handy if you are doing the same ride over and over again. Many road riders can't do without a bike computer and if you join and club in the UK you may find you are the only one without one!