Lewmar 90mm Double Synchro Block SCHAEFER FURLER PARTS Running backstays

Running backstays

Our ergonomic Deckpack stores the gear you need day-in

of the Iris 100 handbearing + course compass

Quicklinks have large openings and secure threaded locking sleeves

Lewmar 90mm Double Synchro Block SCHAEFER FURLER PARTS Running backstaysProduct Description Lewmar 90mm Double Synchro Block Lewmar's Synchro Blocks are engineered for speed, efficiency and superior handling. We use a combination of scientifically optimized 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 synchronized with the movement of the rope, providing you with an easier, smoother