The PolarWave R5x4 Low Friction Ring is a lightweight and highly efficient alternative to traditional blocks and pulleys. Designed for modern dinghy and keelboat applications, it reduces friction, cuts weight, and delivers smooth, reliable performance under high loads.

Machined from high-quality aluminum and coated with a durable PTFE layer, this ring offers excellent corrosion resistance and long-term durability. It is ideal for control systems where simplicity, minimal maintenance, and ultra-low weight are essential.

Key Features

• Lightweight and extremely durable

• Perfect for replacing blocks in high-load, low-movement control systems

• Machined aluminum construction with PTFE coating

• Smooth surface for efficient line movement

• Highly resistant to corrosion and saltwater

• Designed for performance dinghies and custom rigging

• Made in Slovenia by PolarWave

Why Choose PolarWave Low Friction Rings

PolarWave combines precision machining with advanced surface treatments to create hardware that is strong, light, and built for demanding marine use. Their low friction rings offer long-lasting reliability and simplified rigging while reducing overall system weight.