Reflectors are not enough. It is very easy to think you are more visible on a bike than you really are. Yeah, I know I sound like your mother. Face it, your mother was right. Ten Reasons to Ride on Roads Instead of on Sidewalks Cyclists on sidewalks must yield to pedestrians.
Pedestrians are unpredictable and often disrespectful.
Cyclists on sidewalks have no right of way at intersections. You can't count on other cyclists riding on sidewalks from the opposite direction to yield right of way. Sidewalks don't go everywhere. In Tallahassee, sidewalks don't go a lot of places. It isn't as scary as it looks.