Boat Trailer 8″ Poly Self Centering Roller & Galvanised Bracket Spindle Kit SB (SKU: BDA043)
$109.00
8″ self-centering polyurethane roller kit with galvanised bracket and spindle β simple, sturdy, and perfect for fibreglass boat trailers.
In stock
The 8-inch Polyurethane Self-Centering Roller Kit (SKU: BDA043) offers dependable hull alignment for fibreglass boats, with a straightforward and solid build. Featuring a UV-stable, non-marking polyurethane roller and a galvanised steel bracket, this kit is ideal for standard boat trailer setups.
With a 203mm roller width and 17mm bore, it’s tailored for 16mm spindles β a common size across many Australian trailer builds. The self-centering design makes launching and retrieving your boat faster and safer by keeping the keel perfectly aligned.
This kit is designed for boaters who want a no-fuss, high-quality solution to replace old or damaged rollers. Built tough for marine conditions, it provides the support your fibreglass boat needs without marking or damaging the hull.
| Component | Details | 
|---|---|
| Roller Type | Self-Centering Polyurethane | 
| Roller Width | 203mm (8 inches) | 
| Bore Size | 17mm (for 16mm spindle) | 
| Material | UV-Stable, Non-Marking Polyurethane | 
| Bracket | Standard Galvanised Steel | 
| Best Use | Fibreglass Boats / General Trailer Support | 
This roller kit is your go-to option for smooth, reliable trailer operation β especially if you’re looking for a quick and durable upgrade with no adjusters required.
Related
β Frequently Asked Questions
- Q: What size spindle does it fit?
 A: The roller bore is 17mm and designed to fit a standard 16mm spindle.
- Q: Is it suitable for fibreglass hulls?
 A: Yes β the polyurethane is non-marking and safe for all fibreglass surfaces.
- Q: Does it include adjustable stems?
 A: No β this kit includes a fixed standard bracket only.
- Q: Can it be used in saltwater?
 A: Absolutely. The bracket is galvanised to resist rust and corrosion.
| Weight | 4.01 kg | 
|---|---|
| Dimensions | 10 × 10 × 10 cm | 
| Location | XXX | 
| Manufacturer Part Number | |
| Modified Item | |
| Custom Bundle | |
| Brand | |
| Warranty | 
π Evaluation & Recommendation
- Recommended for: Boat owners with fibreglass hulls using standard trailer setups, who prefer a simple and effective fixed-bracket roller system.
- Not recommended for: Boaters who need height adjustability or custom trailer angles β consider BDA044 instead.
π§ Installation Tips:
- Remove old roller and clean mounting area.
- Slide new roller onto your 16mm spindle.
- Insert the spindle into the galvanised bracket slots.
- Tighten the spindle using appropriate fixings (not included).
- Test movement and alignment before loading the boat.

 Boat Trailer Blue Vee Roller 8" Polyethylene 21mm Bore - Concave Non-Marking Guide (SKU: VRBB200X21)
Boat Trailer Blue Vee Roller 8" Polyethylene 21mm Bore - Concave Non-Marking Guide (SKU: VRBB200X21)						 Plastic Barb Reducer 13mm to 10mm β Hose Joiner Connector for RV, Garden & Low-Pressure Water Lines (SKU: 005378)
Plastic Barb Reducer 13mm to 10mm β Hose Joiner Connector for RV, Garden & Low-Pressure Water Lines (SKU: 005378)						 Trailer Rocker Grease Nipple β Suits Centre & Shackle Pin Zinc Finish (SKU: RRGN)
Trailer Rocker Grease Nipple β Suits Centre & Shackle Pin Zinc Finish (SKU: RRGN)						 Manutec Boat Trailer Grey Wobble Roller + Galvanised Single Bracket Support Rack (SKU: BDA056)
Manutec Boat Trailer Grey Wobble Roller + Galvanised Single Bracket Support Rack (SKU: BDA056)						







 
				






 
				 
				 
				 
				 
				 
				 
     
     
                    
 0415343379
0415343379