Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers.Precision moulded Acetal sheaves running on Acetal or Torlon® ball bearings provide high performance & low friction. The 2-stage ball bearing system provides consistent performance over the full load range.

  • 180 degree pivoting sheave

  • Pivoting version suits controls that need to be trimmed from either side of the boat.

  • Acetal ball bearings
  • UV stabilised Acetal sheave
  • Grade 316 stainless steel load housing

    Part #: RF30174

Imperial Metric
Sheave Dia. 1 3/16 in. 30 mm
Max Rope Dia. 5/16 in. 8 mm
Max Cable Dia. - in. - mm
Fastener Dia. 3/16 in. 5 mm
M.W.L. 660 lb. 300* kg.
B.L. 1320 lb. 650 kg.
Weight 1.8 oz 50 gr.

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Ronstan Series 30 BB Block, Pivoting Lead
Original Price: $ 48.18
Price: $ 40.95
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