Boat Trailer Roller Bracket Spindle Shaft for 4.5″ Roller | Galvanised 16mm (SKU: SPIND114G)

The SPIND114G spindle shaft is a compact and corrosion-resistant solution for small boat trailers using 4.5″ (114mm) keel rollers. With a 16mm diameter and galvanised steel finish, it’s made to handle light-duty trailer needs while resisting rust and weathering.

Ideal for dinghies, tinnies, inflatables, or any small watercraft, this shaft is a direct replacement part for worn or rusted roller brackets. Its lightweight build (only 200g) makes it easy to install while providing reliable support for your trailer’s roller system.

Typical Applications:
– 4.5″ roller replacement on lightweight trailers
– DIY trailer builds for small boats
– Corrosion-resistant setup for saltwater exposure
– Compatible with brackets accepting 16mm shafts

Features Overview:
– 16mm diameter, designed for 114mm (4.5″) rollers
– Galvanised finish for marine-grade corrosion protection
– Weighs approx. 200g — easy to handle and install
– Straightforward design for no-fuss trailer maintenance

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Frequently Asked Questions

• Q: Which rollers does this spindle suit?
  A: This shaft is made for 4.5″ (114mm) keel rollers with a 16mm bore size.
• Q: Will it work in saltwater environments?
  A: Yes, the galvanised finish protects against saltwater and general marine corrosion.
• Q: Is it suitable for inflatable or dinghy trailers?
  A: Absolutely! It’s designed for small watercraft and lightweight trailer setups.
• Q: How heavy is the spindle?
  A: It weighs approximately 200g, making it lightweight but sturdy.

Should You Choose This Spindle?

✔️ Ideal for:

• Small boat trailers using 4.5″ rollers
• Lightweight trailers for dinghies, inflatables, or kayaks
• Brackets accepting 16mm diameter shafts

❌ Not suitable for:

• Larger rollers (6″, 8″, 12″) needing wider shaft diameters
• Heavy boats requiring reinforced spindle shafts

Installation Tips

1. Insert the spindle through the 4.5″ roller bore.
2. Slide the assembly into the trailer bracket holes.
3. Secure each end with locking pins or bolts.
4. Confirm roller rotates smoothly and is centered properly.

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