Ronstan S25 BB Orbit Block, Becket & Swivel Shackle

Description

Single sheave ball bearing block with becket hub and swivel shackle head.

Series 25 Ball Bearing Orbit Blocks, delivering superior strength, reduced weight, and exceptional performance for high-demand dinghy and small boat applications.

Designed with competitive sailors and performance boats in mind, these compact 25mm blocks are engineered to achieve the highest possible strength-to-weight ratio. Featuring Ronstan’s renowned high compression strength acetal bearing system, the Series 25 BB Orbit Blocks are a lightweight yet durable solution, ideal for control line systems such as mainsheet and spinnaker sheet turning blocks, cunninghams, and cascading vangs on dinghies up to 4 metres.

Features:

• 2-stage ball bearing system
• Suits up to 8mm (5/16″) lines
• Hollow hub for becket take-off
• Lashing blocks suit up to 4mm (5/32″) lashing