Lewmar 50mm Synchro Block - Single - 29925001BK

Lewmar 50mm Synchro Block - Single - 29925001BK

Marsoni

M251S

$28.99

Get it in 3 business days with 1 day shipping. Friday, May 29

Lewmar 50mm Synchro Block - Single - 29925001BKLewmar 50mm Synchro Block Single 29925001BK 50mm 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

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Reviewed in the United States on December 28, 2025