Boat Trailer Roller Bracket Spindle Shaft for 4.5″ Roller | Zinc Finish 16mm (SKU: SPIND114Z)

The SPIND114Z is a compact spindle shaft made for 4.5″ (114mm) keel rollers, offering a lightweight solution with reliable 16mm diameter strength and a protective zinc-coated finish. Designed for smaller trailers and tight bracket systems, it’s your go-to shaft when space matters but durability can’t be compromised.

Zinc coating protects the shaft from corrosion in both freshwater and light saltwater environments. Its 16mm standard diameter ensures compatibility with most small roller brackets, while the sleek finish supports smooth roller rotation.

Common Uses:
– 4.5″ keel roller setups
– Compact watercraft trailers (kayaks, inflatables)
– Refitting older or narrow trailers
– Trailer upgrades needing precision fit

Why It Works:
– Zinc = anti-rust
– 16mm = bracket-ready
– Lightweight = easy handling
– Small size = ideal for tight builds

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Frequently Asked Questions

• Q: What roller size is this for?
  A: It’s made for 4.5″ (114mm) keel rollers.
• Q: Is 16mm a common shaft size?
  A: Yes, 16mm is standard for many light-duty trailer roller brackets.
• Q: How does the zinc finish help?
  A: It adds corrosion resistance, especially helpful in marine conditions.
• Q: Is it suitable for DIY trailer repairs?
  A: Definitely. Its size and standard diameter make it easy to work with.

Is SPIND114Z Right for You?

✔️ Buy this if you:

• Have 4.5″ rollers on your trailer
• Use brackets that support 16mm diameter shafts
• Need a lightweight, rust-resistant shaft

❌ This may not work if:

• Your roller is 6″ or larger
• Your bracket requires a different diameter (19mm+)

Installation Guide

1. Insert the shaft through your 4.5″ roller
2. Align with your trailer bracket holes
3. Secure both ends using clips or bolts
4. Rotate to confirm smooth movement

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