Sometime last year the wireless computer on my touring bike stopped working. Assumed it was the transmitter battery because the unit itself has a strong display. I am not a mileage recorder junkie, so it didn't bother me. Finally got around to buying a replacement battery on Monday in preparation for next month's tour. Installed the new battery. Still no signal. Then came the face palm moment. I realized the transmitter had somehow gotten rotated 180 degrees. The side that is supposed to face the spoke magnet was facing away from the wheel. I'm getting too old for this ****.