Ronstan Series 20 Ball Bearing Orbit Block, Single Lashing - 250kg MWL

Unleash peak sailing performance with the Ronstan Series 20 Ball Bearing Orbit Block. Engineered for an exceptional strength-to-weight ratio, this ultra-lightweight block handles high dynamic and static loads with ease, ensuring minimal friction and maximum efficiency in your rigging system. It's the ideal choice for demanding control line applications on performance dinghies and catamarans. Upgrade your setup for speed and reliability today.

In the Box:

• Ronstan Series 20 Ball Bearing Orbit Block
• 750mm (30") x 1.7mm (1/16") diameter Dyneema Lashing Cord

Key Features:

• Exceptional Strength: Boasting a Maximum Working Load (MWL) of 250kg (550lb) and a Breaking Load (BL) of 550kg (1210lb), ensuring reliable performance under extreme conditions.
• Featherlight Design: Weighing a mere 9 grams (0.3 oz), this block minimizes rigging weight without compromising strength, ideal for optimizing boat performance.
• Ultra-Low Friction: Features a sophisticated two-stage bearing system with 316 stainless steel ball bearings for dynamic loads and a separate slide bearing for static loads, providing consistent efficiency across the full working range.
• Durable Construction: Crafted with a high compression strength carbon acetal sheave and a toughened, glass fiber reinforced Nylon frame/cheeks, offering superior durability and UV resistance in harsh marine environments.
• Versatile Lashing: Integrated stainless steel hub designed for secure lashing attachment and through-sheave becket use, allowing for flexible rigging configurations.

Compatibility & Applications:

• Ideal for control lines on dinghies and catamarans up to 5 meters (16 feet), as well as mainsheet systems, spinnaker sheets, halyard, vang, and backstay applications on similar sized vessels.
• Compatible with running lines up to 6mm (1/4") diameter through the sheave.
• Lashing lines up to 4mm (5/32") can be used for attachment through the hub.