Boat Trailer 8″ Grey Sydney Rubber Keel Roller with Galvanised Bracket & Spindle Kit – 20mm Bore (SKU: BDA078)

The BDA078 is a rugged 8″ Sydney-style keel roller made with durable grey rubber for reliable keel support and guidance.
With a classic concave profile, it’s designed to cradle fibreglass hulls during launch and retrieval, especially suited for V-hull boats.

The 20mm bore is compatible with standard 16mm galvanised trailer spindles, providing a secure and stable fit.
The grey rubber is UV-stable and impact-absorbing, helping protect hulls from scratches and bumps while withstanding Australia’s harsh sun.

The included galvanised steel bracket ensures solid mounting and corrosion resistance, making this a dependable kit for long-term trailer use.

Specifications:

Whether you’re replacing old rollers or need a robust setup for a fibreglass hull, the BDA078 is a no-nonsense solution made to last.

Frequently Asked Questions

• What’s a “Sydney-style” roller?
  It’s a concave (V-shape) roller that helps centre and support the boat’s keel during loading.
• What size spindle does it suit?
  The bore is 20mm, perfect for 16mm galvanised trailer spindles.
• Is the rubber UV resistant?
  Yes. It’s made for harsh Australian weather conditions.
• Can it be used for aluminium boats?
  Rubber is generally best for fibreglass. For alloy, use non-marking poly rollers.

Is This the Right Kit for You?

Recommended For:

• Fibreglass boat owners needing stable keel centering
• V-hull boats using 16mm spindles
• Traditional trailer setups needing a Sydney-style concave roller
• Users preferring rubber’s shock absorption

Not Recommended For:

• Alloy boats (may cause marks)
• Trailers requiring non-marking or poly rollers

Installation Tips:

1. Mount bracket onto your trailer keel arm securely.
2. Slide the roller onto a 16mm spindle through the 20mm bore.
3. Add spacers/washers to minimise side movement if needed.
4. Ensure alignment and test spin before loading your boat.