A used simple cycle computer with single button operation enabling inputs of wheel size, etc. A cabled wheel sensor pick-up attaches to the front fork and a magnet to a wheel spoke. Displays clock time and speed. Records distance travelled and total odo distance. Package includes:- 1 x wired cycle speedometer 1 x transmitter sensor 1 x wheel magnet 2 x LR44 batteries 4 x black cable ties
eBay