Trojan Boat Roller Bracket Clamp for 40x40mm Stem with U-Bolts and Mounting Plate for 89mm Rail (SKU: BFB009)

The BFB009 Boat Roller Bracket Clamp Kit is designed to securely mount 40x40mm roller stems to boat trailer chassis rails measuring 89mm in width. This complete set includes two U-bolts and a galvanised mounting plate, built to handle the harsh marine environment.

🔩 U-Bolts (Pair):

• 43mm internal width
• 110mm arm length
• 9mm thick arms
• 40mm thread length
• Hot-dip galvanised – corrosion resistant
• Sold as a pair

📐 Mounting Plate:

• Size: 80mm x 132mm
• Hole spacing (centre to centre): 53mm x 100mm
• 5.5mm thick galvanised steel
• Ideal for 89mm trailer rails

This kit provides a solid connection between the trailer chassis and the roller support bracket, ensuring your 40mm stem remains firmly in place. Designed for strength and weather resistance, it’s a great choice for boat trailers exposed to saltwater and rugged use.

Frequently Asked Questions

• Q: What size roller post is this designed for?
  A: This kit is made for 40x40mm square roller stems.
• Q: Will the U-bolts fit 89mm chassis rails?
  A: Yes, the included U-bolts and plate are designed to clamp around 89mm wide trailer rails.
• Q: Is this kit suitable for marine environments?
  A: Yes, all components are galvanised for corrosion protection in saltwater use.
• Q: Does it include nuts or just the bolts and plate?
  A: It includes a pair of U-bolts with threads and the mounting plate – nuts are typically included, but confirm with your supplier.

Is This Kit Right for You?

This clamp kit is ideal if you:

• Have a boat trailer with 89mm wide chassis rails.
• Use 40x40mm square roller stems for keel or wobble roller brackets.
• Need a corrosion-resistant, bolt-on solution for marine conditions.

Not recommended for:

• Trailers with significantly smaller or larger rail widths.
• Round roller stems or non-standard mounting brackets.

Quick Installation Guide:

1. Place the mounting plate against the inside face of the trailer rail.
2. Align your roller bracket and insert the U-bolts through the mounting holes.
3. Tighten the bolts evenly with a wrench – don’t overtighten.
4. Check stem alignment and stability before towing.

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