Why can't I balance a bicycle?

First you should try to balance bicycle so that you will able to balance bike. There is only two reaction of tyre. we have to balance it. First try to balance yourself and then bike. read more

A non-moving bike has wheels that aren't spinning and zero angular momentum, which makes it very easy for external torque to change the wheels' direction, making the bike harder to balance. Even when staying relatively motionless, though, a rider can balance a bike with some effort. read more

When the bicycle begins to lean in one direction because of a jolt or just because bicycles can't be 100% laterally balanced, the front falls faster than the back, which means the front tire turns in the direction of the fall. read more