Using an exclusive Mavic coded digital transmission technology, Win-Tech is lightweight and easy to use. The speed sensor is fitted to the fork making it particularly suited to Mountain Bikes. standard speed sensor makes it easy to install whatever type if brakes or fork you have. No cables, no interference, just a clean bike with completely integrated elements. No cables, no interference, just a clean bike with completely integrated elements. Functions: Current speed, Maximum speed, Average speed, Cadence, Pace Arrow, Total accumulated distance, Trip distance, Ride time, Sleep mode, Clock. Includes: battery, zip ties, Mavic universal wheel magnet.