Ark Quick Release Trailer Coupling 2 Hole | 50mm Ball, 2000kg Rated – Zinc Plated (SKU: CAS22Z)

Ark 50mm Quick Release Coupling – 2 Hole Mount, 2000kg Capacity (SKU: CAS22Z)

The Ark CAS22Z is the go-to quick-release coupling for standard trailers, campers, and general towing setups. Designed for trailers with no brakes or independent brake systems, it fits 50mm Australian Standard tow balls and mounts easily to 2-hole drawbars.

Key Features:

• Quick release, tool-free coupling
• Fits 50mm tow balls
• Rated for up to 2000kg ATM
• 2-hole mount (13.5mm holes, 101.6mm apart)
• Anti-rattle tow ball screw adjustment
• Padlock-ready safety trigger + R clip for secure locking
• Zinc-plated finish for corrosion resistance
• Complies with AS4177.3 – 2004

Specifications:

• Mounting: 2 Hole (non-weldable)
• Drawbar to ball length: 77mm
• Finish: Zinc
• Colour: Silver
• Weight: 3kg
• Overall size: 25cm x 13cm x 18cm
• Trailer type: Non-brake trailers

This is the everyday, gets-it-done coupling trusted across Australia. Simple, strong, and ready for the job.

Frequently Asked Questions

Q: What size tow ball does this fit?
A: It fits the standard 50mm Australian tow ball.

Q: Is this coupling suitable for braked trailers?
A: No, this is designed for non-brake trailers or those with brake systems that don’t require mechanical activation.

Q: Is it easy to install?
A: Yes, it uses a 2-hole bolt-on mount (101.6mm spacing). Just bolt it to your drawbar—no welding needed.

Q: Can it be locked?
A: Yes, it features a quick-release latch with padlock hole and an R-clip (not included) for secure towing.

Q: What’s the load capacity?
A: Rated for up to 2000kg Aggregate Trailer Mass (ATM).