That mount on the side of coats tire changers where the wheel edge sits when using the bead breaker arm to break down tires. If you are not 100%. Color：Black.
Black Universal Tire Changer Machine Pressure Rubber Pad Protection Gasket
Universal Tire Changer Tool Dirt Bike Motocross Tire Removal and Installation
Universal Tire Changer Bead Breaker Cylinder Fully Assembled Stainless Steel 186
