Boat Trailer 4″ Standard Roller Bracket Galvanised for 16mm Spindle (SKU: GBKT100CR)

The GBKT100CR is a 4-inch standard roller bracket engineered for boat trailers that use 16mm spindles. It’s an ideal solution for supporting keel rollers in light-duty trailer setups.

Constructed from hot-dip galvanised steel, this bracket offers excellent durability and resistance to rust – making it well suited to marine environments.

Key Features:

• Size: 4″ keel roller bracket
• Suits 16mm spindle shafts
• Material: Galvanised steel
• Mount Type: Standard straight bracket
• Use: Compact trailers or low-profile roller setups

Simple, sturdy, and built for the job – this bracket will keep your roller and boat aligned through every launch and retrieval.

FAQs

• Q: What spindle size does it fit?
  A: It’s designed specifically for 16mm spindle shafts.
• Q: Can it be used in saltwater?
  A: Yes. The hot-dip galvanised finish helps protect against saltwater corrosion.
• Q: Is it suitable for all 4″ rollers?
  A: Yes, it fits standard 4″ keel rollers with a 16mm bore.
• Q: What’s the difference between this and the CR-P version?
  A: This one is standard mount; the CR-P model is a single-post variant.

Is This Bracket Right for You?

• Recommended for:
  • Light trailers or smaller boats
  • Users replacing worn brackets in 4″ roller systems
  • Marine environments needing rust-resistant gear
• Not suitable for:
  • Spindles larger than 16mm
  • Heavy-duty boat setups or dual roller systems
  • Custom frame builds with offset angles

Installation Tips

1. Mount bracket onto trailer crossmember using compatible bolts or U-bolts
2. Insert a 16mm spindle and attach the roller
3. Ensure roller spins smoothly and bracket sits firmly against the frame
4. Check bolt tightness and galvanisation every 6–12 months