Sigma BC509 Topline Wired Cycle Computer. Attach computer, set wheel size, start riding. This is just how simple a bike computer can be. The large easy to read screen clearly displays speed, ride time, trip distance and total distance in either a fixed o
Strengths: Does what it says. Speed display and odometer work well.
Weaknesses: Wire snaps with the flick of a finger. Lack of top speed.
Bottom Line:
I have owned a few of these 509's. I got them for free, so I guess I can't complain too much. But man, the wires on these things snap or pull out with zero force. I guess you can't expect much for a base computer.
