Can I use WD40 on brakes?
Can I use WD40 on brakes? The short answer is, no. WD40 is only suitable for cleaning the internal metal parts of your bike before assembling and lubricating them. You should never use WD40 on anything other parts of your bike, especially the brake pads. How does the foot brake work on a rear disc caliper? connected to the parking brake linkage, has a screw setup to compensate for the fact that in normal footbrake operation, the piston automatically moves out to adjust for brake shoe lining wear. The type shown here is a common design. There is a cone...