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Boat Trailer Roller Bracket Clamp 20x20mm Stem Adjuster for 50x55mm Rail – Galvanised (SKU: CLAMP-ADJWB50X55)
$12.21
Clamp-on bracket for 20x20mm roller posts. Fits 50x55mm trailer rails. Galvanised finish for rust resistance. Ideal for unique or non-standard rail frames.
In stock
The CLAMP-ADJWB50X55 Boat Trailer Roller Bracket Clamp is designed to suit trailers with non-standard 50x55mm rail frames. Featuring a clamp-on design and compatibility with 20x20mm square roller posts, this bracket delivers a secure, rust-resistant solution for installing or adjusting keel and support rollers.
- Type: Clamp-on – easy to mount, no drilling required.
- Post Compatibility: Suits 20mm x 20mm square roller stem posts.
- Rail Fit: Built to clamp onto 50mm x 55mm trailer rails.
- Material: Galvanised steel for superior resistance to saltwater corrosion.
- Weight: 1.45kg – a strong yet compact fit for dependable performance.
- Best Use: Perfect for trailers with non-standard or modified frame rails.
This roller bracket clamp is especially useful when traditional sizes don’t quite fit your setup. Whether you’re restoring an older trailer or working with a modified chassis, the CLAMP-ADJWB50X55 helps you get the job done right without fabrication hassles.
Frequently Asked Questions
- Q: What roller post size does this support?
A: It’s made to fit 20mm x 20mm square stem roller posts. - Q: Will this clamp fit 50x50mm rails?
A: No – this model is specifically made for 50x55mm rail frames. For 50x50mm, check our CLAMP-ADJ50X50 model. - Q: Is this bracket weld-on or drill-on?
A: Neither – it’s a clamp-on model, designed for fast, no-damage installation. - Q: Is this suitable for marine trailers?
A: Yes, the galvanised finish offers excellent corrosion resistance in salty and wet environments.
| Weight | 0.6 kg |
|---|---|
| Dimensions | 13 × 10 × 5 cm |
| Location | A-7-9 |
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Is This Clamp Right for You?
The CLAMP-ADJWB50X55 is perfect if you:
- Have a trailer with non-standard 50x55mm rectangular rails.
- Are using 20x20mm roller stems for keel or support rollers.
- Want a no-drill, no-weld solution for roller bracket mounting.
Not suitable for:
- Trailers with standard 50x50mm, 75x50mm, or 100x50mm rails – other clamps are available for those.
- Users requiring stainless steel finish (this is galvanised steel).
Quick Installation Guide:
- Align the clamp with your 50x55mm rail bar.
- Insert the 20x20mm roller stem into the clamp’s opening.
- Tighten all bolts evenly to secure both the clamp and the post.
- Ensure final alignment of the roller before towing.
