Originally Posted by
harleyfrog
On a related note, I've heard that having a (relatively) strong magnet under the bottom bracket helps trigger stop lights like that. Anyone have any experience with that?
The lights are triggered by metal, not magnets. They should change for a bicycle. If they don't, they're defective or improperly installed. Most of the time when I think my bike won't trigger a light, it's really just because I didn't wait long enough.