Flashin Front light interfered with wireless speedo
 

I put new Viewpoint Flare 5 on today. about to start commute. turned the speedo on (ascent some model) and then put the light on flash. Bike wasn't moving, but speedo showed I was at 27 with wheels turning. Turn light off...speedo ok. Light on non-blink...speedo ok.

After I got to work...I noticed that the light was directly inbetween the wireless sensor/send unit and the speedo. I switched it to the ohter side of the handlbar and all appears ok now.

interesting

I'm pretty sure the speed of light is 299,792,458 m/s. Obviously your speedo is the problem.