Description
ARK MPS40R Brake Mounting Plate is a versatile and durable square backing plate designed to fit 40mm round axles. It’s compatible with both mechanical and electric drum brakes, making it the perfect base for lightweight trailers, campers, and utility builds.
Whether you’re building a new trailer or upgrading your braking system, this plate ensures a rock-solid base for securing your brake backing plate. Built from heavy-duty steel, it delivers strength and stability under load, while its pre-drilled square format simplifies alignment and installation.
Key Features:
- Square mounting plate for 40mm round trailer axles
- Supports mechanical and electric drum brake backing plates
- Heavy-duty steel construction for long-term durability
- Pre-drilled for easy, precise installation
- Ideal for small to mid-size trailers, campers, and light-duty builds
This plate is the foundation of a reliable braking system—get it right from the start with a part that’s built to last and easy to fit.






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