Boat Trailer 6″ Blue Poly Keel Roller with Galvanised Bracket & Spindle Kit – 17mm Bore (SKU: BDA017)

The BDA017 is a versatile 6″ blue poly keel roller kit built for day-to-day trailer use. Designed specifically for alloy boats, this roller ensures smooth keel support without scuffing or marking the hull.

Made from UV-stable polypropylene, the roller offers a soft yet supportive surface, suitable for both launching and retrieving your boat.
It features a 17mm bore size to suit 16mm spindles, ensuring wide compatibility across trailer types.

The galvanised steel bracket provides strong, rust-resistant support, making this kit a dependable addition to any marine trailer.
Whether you’re upgrading old rollers or building a new setup, this kit keeps things simple, durable, and ready for the road.

Specifications:

BDA017 is the go-to roller for everyday trailer users looking for simplicity, reliability, and solid keel guidance.

Frequently Asked Questions

• Is this suitable for fiberglass boats?
  It’s designed primarily for alloy boats, but can be used with fibreglass hulls if gentle care is taken.
• Is the bore really 17mm?
  Yes, which suits a standard 16mm spindle perfectly for a snug fit.
• Will it leave marks on my hull?
  Nope! The blue poly is non-marking and gentle on boat surfaces.
• Can I install it myself?
  Absolutely—it’s a drop-in kit with minimal tools required.

Is This the Right Kit for You?

Recommended For:

• Alloy boat owners looking for simple keel roller kits
• Users with 16mm shafts and standard trailer frames
• People needing UV-stable, non-marking roller solutions
• DIY installers who prefer pre-packed bracket + roller sets

Not Recommended For:

• Extra-large boats requiring 8”+ keel support
• Applications needing V-shape or Sydney contour rollers

Installation Tips:

1. Align bracket with keel support frame and fasten using U-bolts or clamps.
2. Slide the roller onto your 16mm spindle through the 17mm bore.
3. Add washers or spacers if needed to center the roller.
4. Check for free spinning and no lateral movement.