From our EvoRider range is this new sleek black wireless bike speedo with over 18 functions including average speed, calories burnt off plus loads more (see below). As its wireless you don't need to install any wires, just clip the receiver on the fork, the magnet on the wheel spoke, and attach the main speedo to the handlebars and away you go - full instructions are included although you probably wont need them as its very easy to do :) What's Included: Packed in zip lock bag to reduce postage costs 1 x Wireless bike speedometer 1 x Transmitter sensor 1 x Transmitter battery 1 x Magnet 2 x Cable ties 1 x Cr2032 battery 1 x User manual To reduce postage costs this item will be sent in a jiffy bag without retail packaging