Originally Posted by
jimbrown
Actually it is very common problem. It is just that most people do not ride at night so the LBS are not always aware of the issue. Sadly most wireless computers are affected by LED lights. LED lights produce Electromagnetic Interference or EMI as it is more commonly referred to. Other style of lights do not. It is not the LEDs but design of the circuit that runs the light that causes so much EMI.
Also, not all LED lights produce the same EMI. Some have much better shielding than others, though that adds weight and cost.