Boat Trailer 8″ Black Rubber Keel Roller Kit – Galvanised Bracket, 200mm Wide, 16mm Spindle (SKU: BDA010)
$55.00 $114
Heavy-duty 8″ black rubber keel roller kit with 200mm width and galvanised bracket. Designed for fibreglass boats and trailers using 16mm spindles. Built to handle sun, salt, and serious loading.
Out of stock
Heavy-Duty 8″ Black Rubber Keel Roller Kit for Fibreglass Boats
Built tough for Aussie trailers, the BDA010 is a heavy-duty 8-inch keel roller kit crafted from UV-stable black rubber, paired with a galvanised steel standard bracket. This kit is ideal for medium to large fibreglass hulls that require generous support during loading, unloading, and transport.
Featuring a 200mm wide roller with a 17mm bore to fit standard 16mm spindles, it’s designed to cradle your hull gently while withstanding the rigours of salt, sun, and road grit. The galvanised bracket is equipped with a robust 50x50mm clamp-on stem adjuster, offering quick height changes and secure attachment.
This roller kit is suited for DIY trailer builders, marine workshops, or weekend warriors upgrading older setups. It’s designed for long-term reliability without fuss or flashy frills – just solid gear that gets the job done.
Product Specifications
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| Item | Details |
|---|---|
| Model | BDA010 |
| Roller Width | 200mm (8″) |
| Bore Size | 17mm (fits 16mm spindle) |
| Material | UV-Stable Black Rubber |
| Bracket | Galvanised Standard Bracket |
| Clamp-On Adjuster | 50mm x 50mm |
Ideal For:
- Fibreglass hulls from 4m to 6m length
- Trailer builders and marine mechanics
- Saltwater and rough weather conditions
- Users upgrading worn-out rollers with wider coverage
Solid, simple, and strong – this kit is all about durability and no-fuss functionality.
Related
Frequently Asked Questions (FAQ)
- Q: Will this roller fit my trailer?
A: If your trailer uses 16mm spindles and needs a wide 200mm keel roller, yes – it’s a direct fit. - Q: Can I use this for aluminium boats?
A: It’s optimised for fibreglass hulls, but can be used for aluminium boats if the keel design suits rubber contact points. - Q: Is the bracket adjustable?
A: Yes! The included clamp-on stem is 50x50mm and height adjustable. - Q: Does it come with a spindle?
A: No, the spindle is not included. Please purchase a 16mm spindle separately if needed. - Q: Is this suitable for saltwater use?
A: Absolutely. Both the rubber and bracket are designed for marine environments, including saltwater exposure.
| Weight | 3.5 kg |
|---|---|
| Dimensions | 28 × 25 × 5 cm |
| Location | XXX |
| Material |
Usage Guide
Installing and using your keel roller kit is straightforward. Follow these simple steps for a safe and effective setup:
- Position the bracket beneath the keel area where support is needed.
- Insert a 16mm spindle through the roller’s 17mm bore (not included).
- Secure the spindle using cotter pins or spring clips on each side.
- Adjust the 50x50mm stem height to align with your hull’s keel profile.
- Rinse thoroughly with fresh water after each saltwater use to prevent corrosion and extend product life.
Evaluation & Recommendation
This product is not a one-size-fits-all. Make sure it aligns with your trailer needs before purchase. Here’s our honest recommendation:
✅ Recommended If You:
- Own a fibreglass boat between 4–6 metres long
- Require wide keel support for better hull stability
- Use a trailer with 16mm spindle setups
- Often launch in saltwater or high-sun environments
- Prefer simple yet rugged hardware that works
❌ Not Ideal If You:
- Have a narrow bracket space that can’t fit a 200mm roller
- Own an aluminium boat with sharp, flat or stepped keels
- Need adjustable roller angles or multiple roller systems
- Are outfitting a very light boat where this is overkill
This keel roller kit does what it promises – if you’re the right user, it’s a long-term solution that pays for itself in fewer launch headaches.









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