Authentic Ronstan Series 40 Ball Bearing Orbit Block – Cheek

The Series 40 Ball Bearing Orbit Block by Ronstan is designed for maximum performance with its ultra-lightweight and low-friction features. Its unique orbital ball bearing system ensures the highest working load in its class. The block’s compact design and efficient materials contribute to significant weight savings. Ideal for various sailing applications, it combines strength and functionality. Features Ultra Lightweight Low friction 2-stage Orbital ball bearing system Highest working load in its class Low profile and compact High performance cleating