Boat Trailer 8″ Blue Poly Vee Keel Roller with Galvanised Bracket & Spindle Kit – 17mm Bore (SKU: BDA100)
$78.65
8″ concave blue poly keel roller with 17mm bore, mounted on galvanised bracket with spindle kit. Vee-style profile centers the hull smoothly. Non-marking, UV-stable, perfect for alloy or fibreglass boats.
In stock
The BDA100 Vee Roller Kit brings precision and protection to your boat trailer setup. Designed with an 8″ concave profile, this blue poly roller gently cradles your keel and keeps your boat centered as it loads or unloads — no more side shifting or awkward bumps.
Built from tough, non-marking blue plastic, this roller is UV-stable and ideal for both fibreglass and alloy hulls. The concave shape offers natural centering support, making it a smart pick for boaters who want smooth guidance without damaging the boat finish.
This kit includes a hot-dip galvanised steel bracket and a 17mm bore to suit standard 16mm spindles. The total roller length is 200mm, giving ample contact for mid-sized boats.
Specifications:
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| Component | Details |
|---|---|
| SKU | BDA100 |
| Roller Type | Concave / Vee |
| Length | 200mm (8 inch) |
| Bore Size | 17mm (fits 16mm spindle) |
| Material | Blue Poly – Non-marking, UV Stable |
| Bracket | Galvanised Steel Support |
| Use Case | Keel centering during boat loading |
Let your trailer guide your boat straight home, every time. With BDA100, your keel will love the ride.
Related
Frequently Asked Questions
- What’s the benefit of a Vee roller?
It automatically centers your boat keel during loading or unloading, reducing misalignment. - Will the blue plastic mark my boat?
Nope — it’s non-marking and safe for alloy or fibreglass hulls. - What spindle does this roller fit?
The 17mm bore is ideal for use with standard 16mm spindles. - Is the bracket included?
Yes, this is a complete kit with roller, bracket, and spindle.
| Weight | 1.7 kg |
|---|---|
| Dimensions | 24 × 8 × 7 cm |
| Location | XXX |
| Manufacturer Part Number | |
| Modified Item | |
| Custom Bundle | |
| Brand | |
| Warranty |
Is This the Right Kit for You?
Recommended For:
- Boaters needing automatic keel centering
- Fibreglass or alloy hull protection
- Medium-sized boats requiring 8″ roller support
- Standard 16mm spindle systems
Not Recommended For:
- Flat keel boats needing full surface support (use parallel roller)
- Extremely heavy boats requiring larger bore sizes
Installation Tips:
- Position bracket centrally under keel path.
- Mount securely to trailer cross-member.
- Slide roller onto spindle and test for spin and clearance.
- Secure ends with cotter pins or nyloc nuts.

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