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Boat Trailer 4.5" Golden Poly Keel Roller Kit – 110mm Width, 17mm Bore with Galvanised Bracket (SKU: BDA023)
1 × $45.00
Subtotal: $45.00
Boat Trailer Blue Roller 8″ Sydney Type Poly 21mm Bore – Heavy Duty Non-Marking (SKU: CRBS200X21)
$20.00
Durable 8″ blue poly Sydney-type keel roller with 21mm bore – ideal for trailer boats. Non-marking finish, heavy-duty design.
In stock
ITEM SPECIFICS
This 8″ Blue Sydney-Type Keel Roller is a must-have for boat trailer enthusiasts looking for durability and smooth launching and retrieving.
Made from premium-grade non-marking poly, it’s tough on support but gentle on your hull.
Commonly used on boat trailers throughout Australia, especially for supporting the keel during loading and unloading.
The Sydney-style roller features a rounded middle for optimal keel guidance, while the heavy-duty poly construction resists UV damage, salt water, and general wear.
The 21mm bore fits most standard brackets and shafts. Ideal for aluminium, fiberglass, or painted hulls, where you want to avoid marks and scratches.
Specifications:
(This table can be scrolled left and right on mobile)
| Feature | Details |
|---|---|
| Product Code | CRBS200X21 |
| Type | Sydney Type Keel Roller |
| Size | 8 inch (200mm) |
| Bore Size | 21mm |
| Material | Heavy-Duty Blue Poly (Non-marking) |
| Finish | Smooth Blue Finish |
Whether you’re upgrading your trailer or replacing worn-out rollers, this Sydney-style roller provides reliable, easy, and safe trailering for your boat.
faq
Frequently Asked Questions
- Will this roller leave marks on my boat?
Not at all. It’s made from non-marking blue poly, safe for fiberglass and painted hulls. - Is the 21mm bore standard?
Yes, it’s a common size for many trailer brackets. Just check your shaft size to confirm. - Can I install it myself?
Absolutely! As long as your trailer bracket matches the size, installation is straightforward. - What’s the difference between this and black rubber rollers?
Poly rollers like this one last longer, don’t mark surfaces, and resist UV/salt better.
Additional information
| Weight | 0.4 kg |
|---|---|
| Dimensions | 20 × 7 × 6 cm |
| Location | A-5-6 |
| Featured Refinements | |
| Manufacturer Part Number | |
| Brand |
Guide-Recommendation
Is This the Right Roller for You?
Recommended For:
- Boat owners with fiberglass or painted hulls
- Trailers that use 21mm shafts
- Those who want long-lasting, non-marking rollers
Not Recommended For:
- Trailers with 17mm shaft setups (check before purchasing)
- Users seeking soft rubber rollers for heavy keel cushioning
Installation Tips:
- Measure your existing roller bore and bracket width before purchasing.
- Ensure the shaft is clean and free of rust before fitting the new roller.
- Slide the roller into position and secure with washers or spacers if needed.
- Check for smooth rotation before loading your boat.
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