Lewmar 50mm Synchro Halyard Block

Lewmar 50mm Synchro Halyard Block

£21.11 £19.91
You save: £1.20  (5.68%)



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Lewmar Synchro Blocks combine scientifically optimised block geometry, a Free-Spin bearing and self-aligning head reducing friction and an increasing efficiency by up to 40% over budget blocks on mainsheet systems. With each component perfectly synchronised with the movement of the rope, the result is an easier, smoother transfer of power from deck to sail and less wear on your rope.These plain bearing blocks are typically used for heavy and static loads in halyard tuning, mainsheets systems, mast foot blocks, mast head blocks and boom vangs. The Synchro blocks are equiped with Stainless Steel straps for inproved strength and a longer service life whilst stiff glass fibre reinforced cheeks prevent lines from wedging. The toggle head of the halyard block has been designed to fit on the studs commonly found at mast bases - n.b. check the diameter of the stud against the width of the block jaws and pin diameter.
  • Larger sheave diameter minimises rope friction
  • High density free-spin bearing - reduces axle diameter for superior efficiency
  • Sheave: 50mm
  • Working load limit: 450kg
  • Weight: 73g
  • Width of block jaws A: 13mm
  • Pin diameter B: 5mm
  • Space to pin C: 8.2mm
  • Optimum line size 6mm
  • Max line size 10mm
  • Model:Lewmar 50mm Synchro Halyard Block
  • Part no 29925021BK

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