4.5″ Red Polyurethane Keel Roller Kit – Bracket + Spindle for Fibreglass Boats (SKU: BDA034)
$62.00 $84.7
Red polyurethane keel roller with galvanised steel bracket and 17mm bore. Compact 100mm design with UV-stable, non-marking PU surface — perfect for fibreglass boat trailers with tight bow or guide points.
In stock
4.5″ Red Polyurethane Keel Roller Kit – With Galvanised Bracket & Clamp-On Support
The BDA034 is a compact and high-performance PU roller kit designed for fibreglass boat trailers. With a 100mm roller length and 17mm bore, this kit provides excellent guidance while preventing hull damage.
It features a UV-stable red polyurethane roller known for its non-marking, durable surface, mounted on a standard galvanised steel bracket with 75mm x 50mm clamp-on stem adjusters. Ideal for bow or side positions where precision is key.
Product Specs
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| Item | Details |
|---|---|
| Model | BDA034 |
| Roller Length | 100mm (4.5″) |
| Bore Size | 17mm (for 16mm spindle) |
| Material | Red Polyurethane (PU) |
| Bracket Type | Standard Galvanised Bracket |
| Clamp-On Adjusters | 75mm x 50mm |
| Use Case | Ideal for fibreglass boats |
Why Choose Polyurethane?
- Non-marking, ultra-smooth surface
- UV stable and resistant to cracking
- Great for high-precision loading
Compact, stylish, and high-grip – this little red roller brings control to your trailer setup.
Related
Frequently Asked Questions (FAQ)
- Q: Will the red roller stain my boat?
A: No, it’s made from non-marking polyurethane — safe for fibreglass hulls. - Q: Is it pre-assembled?
A: No, roller and bracket are shipped separately but easy to install. - Q: Is the bracket rustproof?
A: Yes, it’s made from hot-dip galvanised steel for marine conditions. - Q: Can I use it on the bow?
A: Definitely! It’s perfect for bow or forward support zones.
| Weight | 2 kg |
|---|---|
| Dimensions | 10 × 10 × 10 cm |
| Location | XXX |
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Usage Guide
- Install the bracket onto your trailer using standard 75x50mm adjusters.
- Slide roller onto 16mm shaft via 17mm bore.
- Use washers and pins to secure both ends.
- Check roller spins freely before first use.
Evaluation & Recommendation
This is a precision roller best suited for lighter boats or bow regions where non-marking and high-gloss contact is needed. It’s not designed for absorbing shock, but excels in smoothness and alignment.
✅ Recommended If You:
- Have a fibreglass hull you want to protect
- Need a compact roller with a clean finish
- Prefer PU over rubber for longevity and aesthetics
❌ Not Ideal If You:
- Have a large/heavy boat needing high shock absorption
- Want a central keel roller for wide support
A stylish red hero made for smooth landings – small but mighty, just like your best trailer upgrades should be.

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