Lewmar 50mm Synchro Triple Block with Swivel Head
Availability: Please give 24-36 business hours for our team to process your order. Once processed, lead time is 5-7 business days if item is in stock. Please call to check availability. Not available for expedited shipping. Usually Ships Within 20 Days
Shipping and Delivery
Enjoy free shipping on qualifying orders of $145 or more delivered within the 48 contiguous United States. Alaska, Hawaii, Puerto Rico, and other U.S. territories are excluded.
Delivery for qualifying free-shipping orders takes 8 to 10 business days.
Free shipping does not apply to:
- Orders containing only clearance items
- Customized special orders made to your detailed requirements
- Sails and boats
- Long tracks, spinnaker poles, whisker poles, and large tubes
- Oversized or heavy items, including items that require less-than-truckload (LTL) freight shipping
Standard Shipping
- UPS and FedEx Ground: Delivery usually takes 2 to 5 business days for in-stock orders.
- USPS: Allow an additional 3 business days beyond the standard shipping time.
- Saturday delivery: UPS and FedEx deliver on Saturdays only for overnight shipments sent on Friday. Additional charges may apply.
Oversized Items and Freight Shipping
Oversized items, such as whisker poles, spinnaker poles, and tracks longer than 8 feet, require freight shipping. The estimated shipping cost is $500, depending on the destination.
For freight deliveries, provide a commercial address, such as the marina, yacht club, or boatyard where your sailboat is located. The recipient must sign for the shipment upon delivery.
International Orders
International customers are responsible for all applicable import duties, fees, and taxes.
Lewmar 50mm Synchro Triple Block with Swivel Head
Lewmar 50mm Synchro Triple Block with Swivel Head
The Lewmar Synchro Block Triple Swivel Head is designed for efficient handling of multiple loaded lines, delivering smooth, low-friction performance in high-load control systems. Its triple swivel head automatically aligns with changing lead angles, reducing friction and sideloading while improving trimming efficiency. Built as part of Lewmar’s Synchro range, the block offers reliable load distribution and durable marine-grade construction. Ideal for performance cruising and racing yachts, it provides confident, professional-grade line control in demanding deck layouts.
Features:
Dynamic Multi-Line Control
The Lewmar Synchro Block Triple Swivel Head is engineered to deliver smooth, efficient management of multiple loaded lines in performance sailing environments. Designed for applications where dynamic alignment and precise control are essential, it provides a refined solution for complex trimming systems that demand reliability under load.
Articulated Triple Swivel Design
Featuring a triple swivel head, the Synchro Block automatically aligns with changing line angles, reducing side-loading and unnecessary friction throughout the control system. This articulated movement ensures consistent rope flow regardless of lead direction, enhancing trimming efficiency while minimising wear on both rope and hardware.
Synchro Series Engineering
Developed as part of Lewmar’s proven Synchro range, the block combines advanced bearing technology with carefully profiled sheaves to deliver low-friction performance under load. The tri-sheave configuration enables effective load sharing and compact multi-purchase layouts, making it ideal for control cascades, mainsheet systems, and high-load running rigging.
Smooth, Reliable Performance
Engineered for dependable operation in demanding conditions, the Synchro Block Triple Swivel Head delivers predictable, responsive line handling with minimal resistance. The self-aligning head reduces shock loads and promotes smooth trimming and easing, supporting confident sail control during manoeuvres and sustained sailing.
Installation & Application
Designed for integration modern deck and rigging layouts, the Lewmar Synchro Block Triple Swivel Head is well suited to performance cruising and racing yachts alike. Its flexible alignment and load-handling capability make it an effective solution for systems requiring accuracy, durability, and professional-grade performance, all backed by Lewmar’s long-standing deck-hardware expertise.
Technical Description
| Product Type | Hardware |
| Hardware Type | Blocks |
| Boat Type | Sail |
| Block Type | Triple |
| Working Load Limit | 450kg / 990lbs |
| Block Size | Triple |
| Sheave Diameter | 50mm |
| Boat Length | up to 30ft, 31-50ft, 51-70ft |
Lewmar 50mm Synchro Triple Block with Swivel Head
The Lewmar Synchro Block Triple Swivel Head is designed for efficient handling of multiple loaded lines, delivering smooth, low-friction performance in high-load control systems. Its triple swivel head automatically aligns with changing lead angles, reducing friction and sideloading while improving trimming efficiency. Built as part of Lewmar’s Synchro range, the block offers reliable load distribution and durable marine-grade construction. Ideal for performance cruising and racing yachts, it provides confident, professional-grade line control in demanding deck layouts.
Features:
Dynamic Multi-Line Control
The Lewmar Synchro Block Triple Swivel Head is engineered to deliver smooth, efficient management of multiple loaded lines in performance sailing environments. Designed for applications where dynamic alignment and precise control are essential, it provides a refined solution for complex trimming systems that demand reliability under load.
Articulated Triple Swivel Design
Featuring a triple swivel head, the Synchro Block automatically aligns with changing line angles, reducing side-loading and unnecessary friction throughout the control system. This articulated movement ensures consistent rope flow regardless of lead direction, enhancing trimming efficiency while minimising wear on both rope and hardware.
Synchro Series Engineering
Developed as part of Lewmar’s proven Synchro range, the block combines advanced bearing technology with carefully profiled sheaves to deliver low-friction performance under load. The tri-sheave configuration enables effective load sharing and compact multi-purchase layouts, making it ideal for control cascades, mainsheet systems, and high-load running rigging.
Smooth, Reliable Performance
Engineered for dependable operation in demanding conditions, the Synchro Block Triple Swivel Head delivers predictable, responsive line handling with minimal resistance. The self-aligning head reduces shock loads and promotes smooth trimming and easing, supporting confident sail control during manoeuvres and sustained sailing.
Installation & Application
Designed for integration modern deck and rigging layouts, the Lewmar Synchro Block Triple Swivel Head is well suited to performance cruising and racing yachts alike. Its flexible alignment and load-handling capability make it an effective solution for systems requiring accuracy, durability, and professional-grade performance, all backed by Lewmar’s long-standing deck-hardware expertise.
Technical Description
| Product Type | Hardware |
| Hardware Type | Blocks |
| Boat Type | Sail |
| Block Type | Triple |
| Working Load Limit | 450kg / 990lbs |
| Block Size | Triple |
| Sheave Diameter | 50mm |
| Boat Length | up to 30ft, 31-50ft, 51-70ft |
