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DUNBIER 75mm Black Poly Bow Roller Kit – End Caps + 140mm M12 Bolt & Nuts (SKU: 2892)
$32.78
Dunbier black poly bow roller set for 75mm trailer winch posts. Includes roller, two end caps, and 140mm M12 bolt with nylock nuts – durable, clean, and easy to install.
In stock
DUNBIER 75mm Black Poly Bow Roller Kit – End Caps + 140mm M12 Bolt & Nuts (SKU: 2892)
This black poly bow roller kit from DUNBIER includes everything you need for a solid and secure bow support on 75mm winch carriers. The kit features a durable black polyurethane bow roller, matching end caps, and a 140mm M12 bolt set with nylock nuts for secure installation.
Perfect for smaller trailers, this setup combines Dunbier’s proven marine-grade quality with a clean, modern look. The black poly finish is long-lasting, weather-resistant, and works well with most hull types.
Kit Includes:
- 1 x Black Poly Bow Roller – fits 75mm winch brackets
- 2 x Black Poly End Caps – secure side protection
- 1 x M12 Galvanised Bolt – 140mm long
- 2 x Nylock Nuts – secure, vibration-resistant hold
Key Specs:
- Compatible with: 75mm Winch Posts
- Bolt: M12 x 140mm, includes nuts
- Material: UV Stable Black Polyurethane
- Usage: Small to medium boats, alloy or fibreglass hulls
Why Choose Black Poly?
Black polyurethane offers a subtle, professional look while maintaining excellent resistance to UV, salt, and weather. It won’t scuff most hulls and is more durable than rubber.
Frequently Asked Questions
-
Q: Will this fit my trailer?
A: If your winch post is 75mm wide and takes a 12mm bolt, you’re good to go! -
Q: What’s the bolt length?
A: The included M12 bolt is 140mm long, and comes with nylock nuts. -
Q: Is the black poly non-marking?
A: It’s generally safe, but on light-coloured fibreglass hulls, red poly is safer if you’re worried about marks. -
Q: Can I install this myself?
A: Yes – it’s a bolt-through design and easy to DIY with basic tools.
| Weight | 0.6 kg |
|---|---|
| Dimensions | 15 × 7 × 7 cm |
| Location | A-5-4 |
| Manufacturer Part Number | |
| Modified Item | |
| Custom Bundle | |
| Brand | |
| Featured Refinements |
Is This the Right Product for You?
Recommended if you:
- Have a 75mm wide trailer winch post
- Want a complete kit with bolt and nuts included
- Prefer a sleek black look over bright colours
Not recommended if you:
- Your trailer uses a wider winch carrier (e.g. 100mm)
- You want the softest possible contact – red poly is gentler
- You need a colour-coded or high-visibility roller
▶ Tap to Compare: DUNBIER 4 Bow Roller Kits – Yellow & Black, 75mm vs 100mm
(Swipe left/right on mobile to view the full table)
| Model | Colour | Winch Post Width | Roller Size | End Cap Ø | Bolt Spec | Included | Ideal Use | Product Link |
|---|---|---|---|---|---|---|---|---|
| Yellow Poly Kit – 100mm | 🟡 Yellow | 100mm | 90mm Ø × 95mm L | 130mm | M12 × 150mm | Roller, End Caps, Shaft | Non-marking bright poly, great for fibreglass | View |
| Yellow Poly Kit – 75mm | 🟡 Yellow | 75mm | 70mm Ø × 70mm L | 100mm | M12 × 130mm | Roller, End Caps, Shaft | Clean and soft for smaller boats or inflatables | View |
| Black Poly Kit – 75mm | ⚫ Black | 75mm | Standard | Standard | M12 × 140mm (w/ Nylock nuts) | Roller, End Caps, Bolt | OEM-style roller with extra grip | View |
| Black Poly Kit – 100mm | ⚫ Black | 100mm | Standard | Standard | M12 (Included) | Roller, End Caps, Bolt | Factory match for most large Dunbier trailers | View |
