8″ Concave Boat Roller BLACK – 21mm ID

8″ Concave Boat Roller – Black (21mm ID)

The 8″ Black Concave Boat Roller with a 21mm bore is a durable, general‑purpose roller designed to provide reliable hull support during launching and retrieval. Its concave profile helps cradle the boat securely, reducing sideways movement and ensuring smoother, more controlled loading. Made from tough black rubber, this roller offers excellent grip and cushioning for a wide range of trailer setups.

Key Features

• 8″ concave design for improved hull support and stability
• 21mm bore size to suit standard trailer shafts
• Durable black rubber construction for long‑lasting performance
• Excellent grip and cushioning for safer, smoother loading
• Suitable for general‑purpose applications

Colour Guide

• Red Rollers – Ideal for fiberglass hulls
• Blue Rollers – Ideal for alloy hulls

• Black Rollers – Suitable for general applications