i have a trek incite 8i on my road bike. i was having trouble with it and
summed it up to a bad battery. i replaced the battery, reset the data and
made sure my magnet was property aligned. i took it out yesterday for the first time
and was having no problems during the 3 miles it takes me to get a paved trail near my house.

once at the trail head i stopped and put on my ipod and proceeded to ride.
the trail itself runs along side a large set of high tension wires.
the speed indicator then starts to get erratic posting either nothing or speeds
as high as 45mph, as low as 4mph and sometimes the actual speed i'm travelling.

i've debated replacing it but wonder if it is not either the ipod or the high tension wires that is causing it