300705X - 0°±4° Adjustable Caster Block Set Brake & Drivetrain (XR5/XS5/W5/RR5) Note: All G4Z Engines are

Note: All G4Z Engines are custom built by order

The parts were used and tested by MCD Racing Team Drivers during many races including the European / North American Championships

Optional tuning:

Long Fiber Composite

5 mm Lightened & Anodized

300705X - 0°±4° Adjustable Caster Block Set Brake & Drivetrain (XR5/XS5/W5/RR5) Note: All G4Z Engines areAnother unique design feature from MCD that allows you to adjust the angle of the caster block without disassembling the hub and shaft axle. With the new caster block you can easily adjust the angle from 4 to 4 (0 or 6 on the current parts). This adjustment gives you the ability to make steering either aggressive or smooth, depending on the track.