The Lewmar 90mm Synchro Single Block is engineered for high-performance sailing, focusing on speed, efficiency, and superior handling. This block utilizes optimized geometry, a Free-Spin bearing, and a self-aligning head to reduce friction, increasing efficiency by up to 40% compared to standard blocks in mainsheet systems. Its design ensures smooth rope movement to facilitate an efficient transfer of power from deck to sail while minimizing rope wear.
Key Features:
- Stainless steel strap for enhanced strength and durability
- Glass fiber reinforced cheeks designed to prevent line wedging
- Tool-free sliding swivel locking mechanism
- Working Load Limit: 4,400 lbs
- Maximum Line Size: 0.55 in. (14mm)
- Weight: 14.57 oz
- Manufacturer Part Number: 29929001BK
Each block is sold as an individual unit.
Product facts
- CT SKU
- CT-111150
- Model / MPN
- 29929001BK
- UPC / GTIN
- 743683203862
- Package dimensions
- 2" X 4" X 7"
- Package weight
- 1.08 lb
Fit-sensitive item: confirm measurements, model numbers, and manufacturer details before ordering. Tug & Tow does not guarantee universal compatibility from a product page alone.
Shipping & returns
Shipping & returns
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Fit & compatibility
Fit & compatibility
Review the product title, description, images, dimensions, part numbers, and manufacturer details before purchase. For fit-sensitive items, confirm compatibility with your boat, RV, trailer, vehicle, or equipment.
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Need help choosing?
Send us the product link or SKU, plus details about your boat, RV, trailer, vehicle, or project. We will help you narrow down the right option when product fit is not obvious.
