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Boat Trailer Black Smooth Wobble Rollers & Galvanised Double Roller Bracket Support (SKU: BDA116)
1 × $108.00
Subtotal: $108.00
DUNBIER Black Poly Bow Roller Kit – With End Caps & 12mm Bolt for 100mm Winch Post (SKU: 2893)
$31.00
Factory-standard Dunbier black poly bow roller set for 100mm winch carriers. Includes roller, end caps, and 12mm bolt – durable, clean, and built for Aussie trailers.
In stock
ITEM SPECIFICS
DUNBIER Black Poly Bow Roller Kit – With End Caps & 12mm Bolt for 100mm Winch Post (SKU: 2893)
This factory-standard Dunbier bow roller kit includes a black polyurethane roller, matching end caps, and a 12mm bolt, all designed to perfectly fit 100mm winch carriers. It’s the same style found on most Dunbier trailers – now available as a full replacement or upgrade kit.
Built from UV-resistant black poly, the roller provides durable and scuff-resistant contact, suitable for a wide range of boats including fibreglass, alloy, or inflatables. Whether you’re replacing an old setup or building a new trailer, this kit keeps your bow supported, centred, and looking sharp.
What’s Included:
- 1 x Black Polyurethane Bow Roller
- 2 x Black Poly End Caps
- 1 x M12 Galvanised Bolt with Nuts
Fitment & Specs:
- Winch Post Compatibility: 100mm Width
- Shaft/Bolt Diameter: 12mm
- Application: Standard on most Dunbier trailers
- Material: UV-Stable Black Polyurethane
Why Choose This Kit?
- ✅ OEM-style fit for 100mm Dunbier trailers
- ✅ Includes everything needed for quick replacement
- ✅ Poly roller is tougher and longer lasting than rubber
- ✅ Clean, sleek black finish for a professional look
Give your bow the support it deserves – this Dunbier roller kit is tough, clean, and ready to roll, just like your boat.
faq
Frequently Asked Questions
-
Q: Is this an original Dunbier part?
A: Yes – it’s the same style found on most Dunbier trailers as standard. -
Q: What winch post size does this fit?
A: 100mm wide winch carriers. -
Q: Is the roller soft like red poly?
A: No, black poly is firmer – better for high-load, long-lasting performance. -
Q: Is the bolt included?
A: Yes – a 12mm galvanised bolt and nuts are included in the kit.
Guide-Recommendation
▶ Tap to Compare: DUNBIER 4 Bow Roller Kits – Yellow & Black, 75mm vs 100mm
Is This the Right Product for You?
Recommended if you:
- Own a Dunbier trailer with 100mm winch carrier
- Need a full kit with roller, end caps, and bolt
- Prefer a clean black finish with high durability
Not recommended if you:
- Your trailer has a 75mm winch post – this will be too wide
- You want soft, non-marking rollers for white hulls – consider red poly instead
- You already have working end caps and bolt, and just need the roller alone
▶ 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 |
