Originally Posted by folder fanatic

With any wheeled vehicle, I use the following formula to figure out what is a safe speed...

Density Of Surroundings (include people, traffic etc.) + Road Conditions (how well kept up) + Bike Conditions (brake condition, regular tune-up, whether or not I own the bike) = Right Speed To Ride.

Since I figured out this formula, I have had no major or overly scary problems-even suprises-cropping up.