How Do Bicycle Reflectors Reflect Light Back At You?

How Do Bicycle Reflectors Reflect Light Back At You? When light strikes the rear of a reflector, which is coated with prisms or beads, that light is redirected via two tiny right-angle mirrors back in the direction it came. The reflector is only visible, therefore, if the viewer is emitting light (e.g., the driver of

How To Remove Dork Disc Without Removing Cassette?

How To Remove Dork Disc Without Removing Cassette? Its a spoke guard. It prevents the chain from going between the spokes and cassette causing damage if you shift too far. This can only happen on badly tuned gears or old friction shifted shifters. Should you remove the dork disc? What is plastic disk behind cassette