C Cr!uS New member Sep 6, 2009 #1 Is there some sort of electronic device available which I can attach to my bike that can tell me my distance travelled, average speed etc? If so, what is this device called and how does it work (maybe a sensor is attached to the wheel)?
Is there some sort of electronic device available which I can attach to my bike that can tell me my distance travelled, average speed etc? If so, what is this device called and how does it work (maybe a sensor is attached to the wheel)?