This is a Giant Ride Sense Speed/Cadence sensor that may be compatible with all brand new Giant road frames equipped to take care of the Ride Sense sensor at the chainstay. This sensor is ANT+ compatible this means that it really works with Garmin, and so on. Simplest the sensor, battery, box, and manual are included. No magnets, or anything included. The sensor is in great condition and will serve you well for many years yet to come!