Boat Trailer Grey Rubber Roller Keel Cotton Reel 6″ x 80mm x 20mm Bore – Non Marking (SKU: CRGR150X20)
$7.00 $11.66
Heavy-duty 6″ cotton reel keel roller made of grey non-marking rubber. 80mm wide with 20mm bore, ideal for larger fibreglass boat trailers using 16mm shafts.
In stock
The CRGR150X20 is a premium-quality 6-inch grey rubber cotton reel roller designed for fibreglass and painted boats. It features a wider 80mm profile for added surface support and a 20mm bore designed to press-fit onto 16mm shafts. The shaft rotates within the bracket, allowing smooth and quiet keel support.
Made from UV-stable, 75 DURO rubber, this roller won’t leave marks on your boat and can withstand the rigours of Aussie sun and salt. A reliable companion for trailers launching at ramps, beaches, or muddy sites.
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| Specification | Details |
|---|---|
| SKU | CRGR150X20 |
| Type | Cotton Reel Keel Roller |
| Material | Grey Rubber – 75 DURO |
| Length | 150mm |
| Diameter | 80mm |
| Bore Size | 20mm (tight fit on 16mm shaft) |
| Weight | 0.47KG |
| Finish | Grey – Non Marking |
Related
Frequently Asked Questions
- Does this fit a 16mm shaft?
Yes! It’s a press-fit for 16mm spindles – secure and tight. - Is it non-marking?
Absolutely. The grey rubber leaves no scuffs on your hull. - Can I use it for aluminium boats?
It’s mainly ideal for fibreglass boats, but can support alloy hulls too. - Does the roller spin?
No. The roller stays in place while the shaft spins inside the bracket.
| Weight | 0.6 kg |
|---|---|
| Dimensions | 15 × 7 × 7 cm |
| Location | A-5-7 |
| Featured Refinements | |
| Manufacturer Part Number | |
| Brand |
Is This the Right Roller for You?
Perfect if you:
- Have a fibreglass boat trailer
- Use a 16mm shaft (press-fit)
- Need a wider roller for extra support and control
Maybe not for you if:
- You need free-spinning rollers (this one doesn’t spin)
- Your shaft size exceeds 20mm or needs bearings
Quick Installation Tips:
- Clean the shaft to remove grit or rust
- Firmly press the roller onto the 16mm shaft
- Ensure smooth shaft rotation in bracket

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