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Boat Trailer 6″ Blue Poly Dog Bone Keel Roller with Galvanised Standard Bracket & Clamp Kit – 17mm Bore (SKU: BDA075)
$119.00
6″ blue poly dog bone-style keel roller with galvanised bracket and clamp-on adjusters. Non-marking, UV-stable polypropylene with 17mm bore for 16mm shafts. Perfect for alloy boats.
In stock
The BDA075 is a 6″ blue dog bone-style keel roller designed for alloy boat trailers. Its curved hourglass profile provides improved tracking and hull centering, ideal for V-hull or deep keel designs.
Made from UV-stable, non-marking blue polypropylene, this roller is gentle on aluminium hulls and ensures long-lasting performance in sunny, salty Aussie conditions.
The 17mm bore fits standard 16mm spindles, making it a drop-in replacement or upgrade on many trailers.
The included hot-dip galvanised steel bracket is corrosion-resistant and comes with clamp-on stem adjusters (75mm x 50mm), allowing for quick, weld-free installation and vertical flexibility.
Specifications:
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| Component | Details |
|---|---|
| SKU | BDA075 |
| Roller Width | 6 inch / 150mm |
| Bore Size | 17mm (fits 16mm spindle) |
| Material | Blue Polypropylene (Non-marking, UV Stable) |
| Bracket | Galvanised Steel + Clamp-on Adjusters (75mm x 50mm) |
| Boat Type | Alloy Boats / V-Hull |
Whether you’re building a new trailer or updating an old one, BDA075 offers a sturdy, centre-guiding, easy-to-install roller solution for smooth boat handling.
Frequently Asked Questions
- What is a dog bone roller?
It’s shaped like an hourglass, helping guide the boat to the centre while offering flexible support across various keel angles. - Does it work for alloy boats?
Yes! The non-marking blue poly is perfect for aluminium hulls. - Can I use this with a 16mm spindle?
Absolutely—it has a 17mm bore that fits standard 16mm spindles perfectly. - Is the bracket included?
Yes. You get the galvanised standard bracket plus adjustable clamp-on stems.
| Weight | 4.01 kg |
|---|---|
| Dimensions | 10 × 10 × 10 cm |
| Location | XXX |
| Manufacturer Part Number | |
| Modified Item | |
| Custom Bundle | |
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Is This the Right Kit for You?
Recommended For:
- Alloy boat owners with 16mm spindle trailers
- V-hull or deep keel trailer setups
- Users wanting a flexible, clamp-on install solution
- Anyone looking for a non-marking, UV-stable roller
Not Recommended For:
- Flat hull boats (may not sit properly on curved profile)
- Heavy boats requiring 8” or dual roller systems
Installation Tips:
- Clamp the bracket to your trailer’s keel bar using the included 75x50mm adjusters.
- Insert roller onto 16mm shaft through 17mm bore.
- Add spacers as needed, and secure spindle ends with locking pins or bolts.
- Ensure smooth rolling and correct height alignment.
