Boat Trailer 4.5″ Golden Poly Keel Roller Kit – 110mm Width, 17mm Bore with Galvanised Bracket (SKU: BDA023)

Boat Trailer 4.5″ Golden Poly Keel Roller Kit – 110mm Width, 17mm Bore with Galvanised Bracket (SKU: BDA023)

The BDA023 keel roller kit is a compact, high-performance solution for alloy boat trailers, featuring a 4.5″ golden polyurethane roller paired with a galvanised steel support bracket. Its shorter 110mm width makes it ideal for smaller trailers or tighter mounting points.

Designed with a 17mm bore to suit standard 16mm spindles, this roller offers soft, non-marking support for fibreglass or aluminium hulls. The UV-stable poly material is saltwater safe and ensures long-lasting use in marine conditions.

Kit Specifications:

• Model: BDA023
• Roller Width: 110mm (4.5 inches)
• Bore Size: 17mm (fits 16mm spindle)
• Material: Golden Polyurethane – Soft & Non-marking
• Bracket: Galvanised Steel Support
• Application: Ideal for alloy and fibreglass boats

Benefits:

• ✅ Compact size fits smaller trailers
• ✅ Soft poly won’t damage your hull
• ✅ UV and corrosion-resistant
• ✅ Galvanised bracket built for saltwater use

A great option when space is limited but protection can’t be compromised. Easy to install and built to handle Aussie conditions.

Frequently Asked Questions

• Q: What size spindle does this roller fit?
  A: The 17mm bore is made for standard 16mm shafts.
• Q: Will this roller mark my boat?
  A: No – the golden poly is non-marking and safe for painted or aluminium hulls.
• Q: Can I use this in saltwater?
  A: Yes – both the roller and bracket are marine-grade and UV-stable.
• Q: Is this for keel or bow support?
  A: It’s a keel roller – great for centring and cushioning along the trailer base.

Is This the Right Product for You?

Recommended if you:

• Have a smaller trailer or limited bracket space
• Use a 16mm spindle and need soft hull protection
• Want a tidy golden finish that’s functional and clean

Not recommended if you:

• You require wide keel rollers (150mm+)
• Your trailer supports a very large boat
• You use welded or custom-size brackets