plain bearing block / double / with swivel / with shackle
Synchro Lewmar

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Characteristics

  • Type:

    plain bearing

  • Number of sheaves:

    double

  • Configuration:

    with swivel, with shackle

  • Maximum line diameter:

    max. rope ø 12 mm, max. rope ø 10 mm

  • Application domain:

    for sailboats

  • Applications:

    halyard

  • Working load:

    800 kg, 450 kg (1,763.7 lb)

Description

Lewmar's Synchro Blocks are engineered for speed, efficiency and superior handling. We use a combination of scientifically optimised block geometry, a free-spin bearing and self-aligning head to reduce friction and increase efficiency by up to 40% over budget blocks on mainsheet systems.

Each component is perfectly synchronised with the movement of the rope, providing you with an easier, smoother transfer of power from deck to sail and less wear on your rope.

Features

Stainless steel strap for improved strength and longer service life
Stiff glass fibre reinforced cheeks to prevent lines from wedging
Innovative design with “tool-free” sliding swivel locking mechanism

Applications

Plain bearing blocks are typically used for heavy and static loads in:

Halyard tuning
Mainsheet systems
Mast foot blocks
Mast head blocks
Boom vang

Practical switch from swivelling to fixed shackle

Other Lewmar products

Blocks