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Lewmar Sailboat Blocks


Lewmar Racing Blocks
Lewmar Racing Blocks are designed to achieve the best strength-to-weight ratio within legal race limits. These sailboat blocks feature alloy cheeks and composite sheaves which run on dual Delrin ball races. Lewmar makes these blocks available in a range of sizes and configurations to suit a variety of yachts.

Racing Block Features:
  • Monocoque Construction
  • 3 in 1 Head
  • Torlon Rollers
  • Delrin Thrust Balls
  • Ratchet fiddle blocks feature alloy ratchet sheaves and recessed ratchet lever

Lewmar HTX Blocks
The Lewmar HTX Block range is the result of years of design and manufacturing experience, combined with collaboration with boat builders, designers, and sailors. Drawing upon the design of the racing range of sailboat blocks, the HTX blocks are constructed from a minimal number of alloy parts, providing enhanced reliability.

HTX Block Features:
  • Plain bearing
  • Alloy cheeks
  • High load capacity and large line size
  • Side thrust ball bearings
  • Head design inspired by Lewmar racing range with swivel head mechanism locking through a grub screw

Lewmar Control Blocks
Lewmar ball-bearing Control Blocks are ideal for use with hand-held loads on cruising or racing sailboats. These sailing and yachting blocks feature lightweight, performance load-bearing capacity. Lewmar's MRT (Metal Replacement Technology) and a stainless steel central race and balls provide a weight advantage, while Long Fibre Technology offers exceptional strength and durability. The open design allows sand and salt to be flushed out easily, keeping maintenance simple.

Control Block Features:
  • Lightweight
  • Very High Strength
  • Impact Resistance
  • Reduced Friction
  • Easy Maintenance
  • Optimised for hand control

Control Block Applications:
Ball-bearing blocks are typically used for medium and dynamic loads in:
  • Control line applications
  • Mainsheet systems for dinghies and keelboats
  • Spinnaker sheets, barber haulers
  • Genoa sheets
  • Dinghies and sportboats
Lewmar Synchro Blocks
Lewmar synchro blocks are engineered for speed, efficiency and superior handling. These blocks suit a range of purposes from performance cruising yachts to specific high-load low-movement applications on racing sailboats. Lewmar uses 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.

Synchro Block 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

Synchro Block Applications:
Plain bearing blocks are typically used for heavy and static loads in:
  • Halyard tuning
  • Mainsheet systems
  • Mast foot blocks
  • Boom vang

Lewmar Blocks


We at Layline strive to be your source for Lewmar Blocks and all sailboat hardware, rigging, and sailing gear. With our focus on one design and handicap racing we can offer advice and reviews of what you need to compete. If you need any assistance selecting the appropriate Lewmar Blocks please contact us. Our crew is ready to help!
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