Lewmar

Lewmar 60mm Synchro Block - Single

SKU: 94307 · UPC: 743683203787 · MPN: 2020209462
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02 · Overview

Lewmar 60mm Synchro Block - Single — Product description

Upgrade your rigging with the Lewmar 60mm Synchro Block Single, a game-changer for sailors seeking lightning-fast line handling without the hassle. This compact powerhouse combines cutting-edge engineering with practical design, making it ideal for high-performance setups where every second counts. Whether you're tweaking your mainsail on a race course or fine-tuning a spinnaker sheet during a coastal cruise, this block delivers smooth, effortless operation that minimizes rope wear and maximizes control.

Engineered for Peak Efficiency

Lewmar's Synchro series stands out by synchronizing every element— from the sheave to the head—for seamless rope flow. The innovative Free-Spin bearing spins independently of the load direction, slashing friction and boosting efficiency by up to 40% compared to standard blocks. This means less effort hoisting or easing lines, especially under dynamic loads like gusty winds. Sailors report noticeably quicker responses during maneuvers, turning potential struggles into fluid precision.

Standout Features That Make a Difference

  • Stainless Steel Strap: Corrosion-resistant and incredibly tough, it withstands harsh marine environments, extending the block's lifespan even in saltwater exposure.
  • Glass Fiber Reinforced Cheeks: Ultra-stiff construction keeps lines perfectly aligned, preventing jams or wedging that plague lesser blocks during heavy use.
  • Tool-Free Sliding Swivel Locking Mechanism: Snap it open or closed effortlessly—no wrenches needed—for quick swaps or adjustments on the water.
  • Self-Aligning Head: Automatically orients to the rope's pull, reducing chafe and ensuring even wear distribution for longer rope life.

These details aren't just specs; they're solutions to real-world sailing frustrations, crafted from years of feedback from competitive and recreational sailors alike.

Performance in Action

Picture this: You're in a tight tack, mainsail loaded. Traditional blocks bind slightly, costing precious time. The Synchro Block's geometry and bearings glide the line as if it's on ice, transferring power directly from deck to sail with minimal resistance. It's particularly brilliant for mainsheet systems, where rapid easing and trimming are routine. Independent testing highlights its edge in speed and low friction, making it a favorite among dinghy racers and offshore adventurers who demand reliability without bulk.

Perfect Fit for Your Sailing Needs

This single block with swivel head shines in versatile roles—mainsheets, traveler cars, cunninghams, or downhauls on boats from Optimists to 40-footers. Its 60mm sheave handles lines up to 10mm flawlessly, supporting a robust working load limit that covers most club racing and family cruising demands. Mount it via the swivel shackle for flexible positioning, and enjoy non-ratcheting freedom in any direction. No becket or cleat keeps it sleek and lightweight at just over 4 ounces, so it won't weigh down your setup.

Care and Longevity Tips

To keep your Synchro Block performing like new, rinse with fresh water after every sail to flush salt and grit. Inspect bearings periodically; their low-maintenance design means simple lubrication restores peak spin. Avoid shock-loading by easing lines progressively, and pair with quality low-stretch rope for optimal results. With proper care, it'll outlast budget alternatives by seasons.

Quick Specifications Overview

Attribute Detail
Sheave Diameter 60mm
Max Line Size 10mm (0.39")
Working Load Limit 1760lb
Weight 4.06oz
Mount Type Swivel Shackle

Frequently Asked Questions

What makes the Lewmar 60mm Synchro Block different from standard single blocks?

The Synchro Block features a Free-Spin bearing and self-aligning head that cut friction dramatically, allowing faster line movement and up to 40% better efficiency, especially in dynamic sailing conditions.

Is this block suitable for saltwater use?

Yes, its stainless steel strap and durable construction resist corrosion, making it excellent for marine environments when rinsed regularly.

What line sizes work best with this block?

It accommodates lines up to 10mm (0.39"), ideal for performance ropes common in racing and cruising sails.

How do I install the swivel head?

The tool-free sliding mechanism lets you lock or unlock the swivel effortlessly by hand, perfect for quick deck adjustments.

Can it handle high-speed maneuvers?

Absolutely—designed for speed with non-ratcheting action in any direction, it's favored for mainsheets and travelers in competitive sailing.

What's the weight advantage?

At only 4.06oz, it keeps your boat light and responsive without sacrificing strength up to 1760lb working load.

Does it require special maintenance?

Minimal—freshwater rinse after use and occasional bearing lube keep it spinning smoothly for seasons.

60mm Synchro Block - Single

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

Each component is perfectly synchronized 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 fiber reinforced cheeks to prevent lines from wedging
  • Innovative design with “tool-free” sliding swivel locking mechanism

Technical Specifications:

  • Working Load Limit - 1760lb
  • Weight - 4.06oz
  • Maximum Line Size - .39" (10mm)

*Sold as an Individual




SKU: NVN-94307
MPN: 2020209462
UPC: 743683203787
03 · The numbers

Technical specifications

BrandLewmar
ModelLewmar 60mm Synchro Block - Single
SKU / MFR#94307

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04 · Before you buy

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05 · Customer voices

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