Originally Posted by ExMachina

my bike showed a repeated tendency to slow down at seemingly random instances. in fact, sometimes the bike would slow down so much that i'd have to get off to avoid tipping over. after a while, i realized that this slowing was not random and would occur most often when approaching intersections or red traffic signals. obstacles in the road would also sometimes precipitate this slow-down, and if a car or person pulled out suddenly in front of me, these decelerations could be very rapid indeed. wtf was going on?