Boat Trailer 6″ Grey Sydney Rubber Roller with Galvanised Standard Bracket Kit – 20mm Bore (SKU: BDA077)

The BDA077 kit delivers practical and dependable keel support for fiberglass boats, featuring a 6″ grey rubber Sydney-style roller paired with a standard galvanised bracket and adjustable clamp-on stem mounts (75mm x 50mm).

The Sydney-style roller features a tapered profile for improved keel centering, while the UV-stable grey rubber provides soft contact that won’t leave marks on painted or fibreglass surfaces.

This kit is designed for use with 16mm shafts and includes a 20mm bore roller that ensures smooth operation even under regular marine load.
The standard bracket with clamp-on stem adjusters gives you flexibility for mounting without welding—great for both new setups and retrofits.

Specifications:

An excellent choice for trailer owners seeking solid performance with flexible mounting—Sydney style with a practical edge.

Frequently Asked Questions

• What’s different from BDA076?
  BDA077 includes a standard bracket with clamp-on adjusters for easier, flexible mounting.
• Can I use this on fiberglass boats?
  Yes—grey rubber is non-marking and safe for painted or gel-coated hulls.
• Do I need welding to install it?
  Nope! The clamp-on stem adjusters eliminate the need for welding.
• Is this UV resistant?
  Yes, both the rubber and galvanised steel are UV and corrosion resistant.

Is This the Right Kit for You?

Recommended For:

• Fiberglass boat owners needing stable, non-marking support
• Trailer builders wanting a non-weld install option
• Setups using 16mm spindles with 20mm bore compatibility
• Users seeking Sydney-style guidance for easy keel centering

Not Recommended For:

• Super heavy boats requiring reinforced or 8″+ rollers
• Brackets requiring custom welded mounts or heavy-duty axle size

Installation Tips:

1. Attach the bracket to your trailer frame using the included 75mm x 50mm clamp-on adjusters.
2. Insert your 16mm spindle through the 20mm bore roller.
3. Secure it into the bracket and add washers or spacers if needed.
4. Check roller spin and adjust bracket height if necessary.