MAVIC WinTech Digital Wireless Cyclocomputer

"Ingenious!? the transmitter mounts to your wheel, instead of your fork. What better way to insure proper alignment with the spoke magnet? The special quick-release houses the computer's digital transmitter and when closed is the perfect distance to the wheel magnet for transmitting the signal to the handlebar-mounted receiver. With all the speed and distance functions you are accustomed to and the super-fast, easy installation, you'll find this one of the nicest computers you'll ever own. Functions:current, avg., and max. speedtrip distanceodometerriding timeclocktrend indicatorsleep mode"