DUNBIER Boat Trailer Bow Roller Kit – Poly Roller, End Caps & M12 Shaft, 100mm Winch Post (SKU: 2887)

The DUNBIER Boat Trailer Bow Roller Kit is a complete solution designed to make boat launching and retrieval smoother while protecting your hull. This kit includes a non-marking yellow polyurethane bow roller, two large end caps, and a strong galvanised M12 steel shaft, perfectly sized for 100mm winch carrier posts.

Key Features

• Non-marking polyurethane roller: Gentle on fibreglass and alloy hulls, preventing scuffs or scratches.
• UV and weather resistant: Built to handle long-term exposure to sun and water without cracking or degrading.
• Oversized end caps: Help to keep the bow aligned, reducing the chance of side slipping during loading.
• Heavy-duty galvanised shaft: M12 size with rust protection for lasting strength and secure fit.
• Precision fit: Made by Dunbier, a trusted Australian trailer brand known for quality and reliability.

Specifications

• Roller Dimensions: 90mm diameter x 95mm length
• End Cap Diameter: 130mm
• Total Assembly Length: 180mm
• Shaft: M12 thread, 150mm length
• Compatibility: Suits 100mm winch carrier posts

Benefits

Choosing this roller kit means easier boat handling, less wear on your hull, and peace of mind that your trailer setup is built to last. Whether you are upgrading old rubber rollers or setting up a new trailer, this kit gives you everything in one box. Ideal for recreational and frequent boaters who want smooth operation and long-term durability in tough Australian conditions.

Installation Tips

To install, simply remove your old roller assembly, slide the new poly roller and end caps onto the included M12 shaft, and secure it into your 100mm winch post bracket. Regularly check for tightness and smooth rotation to ensure maximum performance.

Frequently Asked Questions

• Q: Will this fit my winch post?
  A: It’s designed for 100mm wide winch posts – measure your carrier width before ordering.
• Q: Is the shaft included?
  A: Yes – the kit includes a 150mm long M12 galvanised shaft.
• Q: Will the poly roller damage my hull?
  A: Not at all – the Yellow poly is soft, non-marking, and safe for fibreglass.
• Q: Can I replace just the roller?
  A: Yes, but this kit offers the full assembly for the best protection and fit.

Is This the Right Product for You?

Recommended if you:

• Own a boat trailer with a 100mm winch carrier
• Want a complete roller + cap + shaft solution in one kit
• Need to replace old rubber parts with non-marking poly

Not recommended if you:

• Your trailer uses a narrower or custom winch post
• You only need the roller or end caps separately
• Your hull requires a wider roller than 95mm