The Harken 57mm Carbo Air Block with Swivel is a lightweight, robust, and reliable pulley designed for high-performance sailing applications. Constructed with composite materials, it offers a high strength-to-weight ratio, making it suitable for various sailing systems.
- Low-Friction Performance: Equipped with ball bearings, the sheave spins smoothly, reducing friction and enhancing efficiency.
- Versatile Application: Ideal for main and jib sheets on centerboard and keelboats, as well as mainsheet systems on catamarans.
- Swivel Design: The swivel allows the block to align with the load direction, preventing line twisting and ensuring optimal performance.
Technical Specifications:
- Sheave Diameter: 57 mm
- Maximum Line Diameter: 10 mm
- Maximum Working Load: 359 kg
- Breaking Load: 1079 kg
- Shackle Pin Diameter: 5 mm
- Length: 110 mm
- Weight: 87 g
Materials:
- Sideplates: Nylon-resin composite with long-glass fibers for enhanced strength and durability.
- Sheave: Composite material with ball bearings for smooth operation.
Compatibility Information: This block is compatible with lines up to 10 mm in diameter and is suitable for various sailing applications, including main and jib sheets on centerboard and keelboats, as well as mainsheet systems on catamarans.
