When the eccentric washer is wedged into a bolt, the bearing washer changes the commercially available hex nut into an anti-loosening nut. ... ③ As the bearing washer pushes the hexagon nut, the frictional force between the hexagon nut and the bolt increases, preventing loosening.

What does the adjusting bolt do?

Camber adjustment bolts are clever eccentric bolts which allow you to modify the car's camber angle. They can be used to either add or reduce camber in a vehicle, or can also be used to return the vehicle's wheel alignment to the proper specifications after a suspension component has been damaged or bent out of shape.

What is the B tension adjustment screw?

Simply put, the B-Tension screw is there to control the gap between guide pulley (the upper pulley on the derailleur) and the bottom of the cogs. ... The larger the tooth count difference between the top two cogs, the more space you'll need.