Ronstan RF28109HL Series 25 High Load Orbit Block

Ronstan Series 25 High Load Orbit Block

This single sheave high load block features a ball bearing design with a becket hub option and is specifically crafted for demanding sailing applications.

With a focus on competitive sailing, the Series 25 blocks provide an excellent strength-to-weight ratio. They utilize Ronstan's high-compression strength acetal bearing system, making them lightweight yet incredibly durable, perfect for control lines in dinghies up to 4 meters.

The stainless steel hub allows for versatile lashing attachments and through-sheave becket functionality. This adaptability enhances performance in various rigging setups.

This range includes a High Load variant equipped with a Grade 2205 stainless steel sheave and bearing race, along with Grade 304 stainless steel ball bearings, catering to high-load requirements in modern performance and foiling boats.