Boat Trailer 8″ Blue Poly Dog Bone Keel Roller & Galvanised Bracket Kit – 21mm Bore (SKU: BDA022)
$90.00 $147
Complete keel roller & bracket kit with 8″ blue poly dog bone roller, 21mm bore, and galvanized steel support. Easy clamp-on installation for alloy boats.
In stock
The BDA022 Keel Roller & Bracket Kit is your all-in-one solution for boat trailer support and smooth keel guidance.
It features an 8″ blue poly dog bone roller paired with a galvanized steel standard bracket, designed to fit 20mm spindles via a 21mm bore.
Perfect for alloy boats and lightweight trailers, this kit offers high performance with easy clamp-on installation.
The dog bone shape helps center the keel, while the UV-stable, non-marking polypropylene roller ensures hull protection and long life under Australian sun and salt.
The included bracket is made from hot-dip galvanized steel with adjustable clamp-on stem arms (75mm x 50mm), allowing fine-tuned height alignment for perfect positioning.
Specifications:
(This table can be scrolled left and right on mobile)
Component | Details |
---|---|
SKU | BDA022 |
Roller Type | Dog Bone Keel Roller |
Roller Size | 8 inch (200mm x 45mm x 70mm) |
Bore Size | 21mm (for 20mm spindle) |
Material | UV-Stable Blue Polypropylene |
Bracket | Galvanised Standard Roller Bracket |
Adjuster Size | 75mm x 50mm Clamp-on Stem |
This kit is ideal for those who want quick, reliable trailer upgrades without the hassle of finding matching components. Just clamp, adjust, and go!
Related
Frequently Asked Questions
- Is this kit suitable for alloy boats?
Yes! The roller is made from non-marking poly, ideal for alloy or painted hulls. - Can I install this without welding?
Absolutely. The clamp-on stem adjusters make it a bolt-on installation. - What shaft size does it fit?
The roller has a 21mm bore, ideal for 20mm spindles or shafts. - Is the bracket rust-resistant?
Yes, it’s hot-dip galvanized for excellent corrosion protection.
Weight | 2 kg |
---|---|
Dimensions | 40 × 20 × 20 cm |
Material | |
color | Blue |
Length | |
Manufacturer Part Number | |
Modified Item | |
Custom Bundle | |
Brand | |
Bore Diameter | |
Featured Refinements | |
Warranty |
Is This the Right Kit for You?
Recommended For:
- Boaters upgrading trailer rollers with a ready-to-use kit
- Alloy or painted hull users needing non-marking support
- Trailers with 20mm shafts or 21mm bore compatibility
- DIY installers looking for clamp-on convenience
Not Recommended For:
- Trailers using welded or fixed brackets with no adjustability
- Very heavy-duty trailers needing reinforced setups
Installation Tips:
- Align the bracket on the trailer’s crossbeam.
- Use the clamp-on stems to secure it tightly in place.
- Insert your spindle and fit the roller using washers as needed.
- Adjust roller height using the stem to center under keel.
- Tighten all bolts and check rotation before loading your boat.