4.5″ Galvanised Boat Trailer Roller Bracket – Suits 16mm Spindle, Standard Mount (SKU: 6122)

The 4.5″ Galvanised Roller Bracket (SKU: 6122) is a compact and durable trailer part designed for 16mm spindle use. It suits a wide variety of keel rollers and works seamlessly as a standard straight-mount bracket on small boat trailers.

Its hot-dip galvanised finish gives it marine-grade rust protection, ensuring long-term reliability even in saltwater environments.

Product Features:

• Size: Compatible with 4.5″ keel rollers
• Suits 16mm spindle shafts
• Standard bracket – straight mount
• Heavy-duty galvanised steel
• Perfect for trailer cross-member roller setups

Whether you’re upgrading old parts or assembling a new trailer, this bracket is a practical and dependable solution.

FAQs

• Q: What size roller fits this bracket?
  A: It suits 4.5″ keel rollers with 16mm bores.
• Q: Can this be used in saltwater environments?
  A: Absolutely, it’s made from hot-dip galvanised steel for marine durability.
• Q: What’s the difference between this and a single-post bracket?
  A: This is a full-frame straight mount bracket, offering stronger and more stable roller alignment.
• Q: How do I install it?
  A: Simply bolt onto your trailer’s cross-member, insert a 16mm spindle, and secure your roller with pins or spacers.

Is This Bracket Right for You?

• Ideal for:
  • Small boat trailers
  • DIY trailer builders
  • Users seeking corrosion-resistant roller brackets
• Not recommended for:
  • Heavy loads exceeding single-roller capacity
  • Rollers above 5″
  • 19mm or 20mm spindles

Installation Tips

1. Attach bracket directly onto trailer cross-member or winch post
2. Use a 16mm roller spindle through the bracket hole
3. Secure with washers, spacers, and spring clips or nuts
4. Ensure roller sits centred and spins freely before use