Originally Posted by
Steve Katzman
In my experiences, Cateye has been the most robust and reliable brand. However the wireless models still have issues, so if you want the most reliable unit, IMO opt for the wired sensor models. I have a wireless Cateye and it is alright but the "max speed" often is 2X 3X or higher than the actual top speed that I know I could have gone.
I've had very good luck with CatEye's Strada wireless and Micro wireless units. I've got them on my MTB and commuter, and aside from destroying the mount on the MTB (tree trumps plastic), no problems whatsoever.