Boat Trailer Roller Bracket Clamp 20x20mm Type A Adjuster for 50x25mm Rail – Galvanised (SKU: CLAMP-ADJ50X25)

The CLAMP-ADJ50X25 Boat Trailer Roller Bracket Clamp is a precision-engineered Type A clamp-on bracket designed to fit 50x25mm trailer rails. Built to hold 20x20mm square roller stems, this bracket provides a secure and simple solution for roller support installation without the need for drilling or welding.

• Clamp Type: Clamp-on (Type A) – no-drill installation, fast and easy.
• Post Size: Suits 20mm x 20mm square roller stems.
• Rail Compatibility: Designed to fit 50x25mm trailer frames or support bars.
• Finish: Hot-dip galvanised steel – long-lasting protection against rust and corrosion.
• Weight: 1.45kg – lightweight but durable.
• Best For: Light-duty trailers, narrow keel rollers, or center support installs.

This bracket is ideal when working with narrower trailer frames where space is limited but strength is still essential. With its quick-install design and strong grip, the CLAMP-ADJ50X25 brings both convenience and peace of mind for your towing setup.

Frequently Asked Questions

• Q: What kind of post does it support?
  A: It supports 20mm x 20mm square roller stems.
• Q: Will it fit other rail sizes?
  A: This model is specifically designed for 50x25mm trailer rails. For other sizes, check our range of clamp brackets.
• Q: Do I need to drill into the frame?
  A: No, this is a clamp-on bracket – no drilling or welding required.
• Q: Is it suitable for saltwater conditions?
  A: Yes, the galvanised finish provides strong corrosion resistance.

Is This the Right Clamp for You?

This compact Type A clamp is the right choice if you:

• Have a trailer with 50x25mm rail bars.
• Need to mount 20x20mm square roller stems.
• Prefer a no-drill, quick-fit solution for narrow-frame trailers.

Not suitable for:

• Rails larger than 50x25mm – may not clamp securely.
• Round posts or custom roller shafts – designed for square 20mm only.

Quick Installation Guide:

1. Place the clamp around your 50x25mm rail bar.
2. Insert the 20x20mm roller stem into the clamp’s slot.
3. Tighten the clamp bolts securely for a firm hold.
4. Double-check alignment before use on the road or ramp.