Ronstan 75mm BB Single Block, Becket

aps price $168.47
Usually Ships in 7 Business Days

Ronstan 70mm blocks feature a low friction 2-stage ball bearing system that provides consistent performance over the full load range.

Great for: mainsheet and spinnaker sheets on sportsboats to 36', halyard, vang and backstay applications on boats to 33', and various control line applications on larger yachts.


  • High static and dynamic load capacity.
  • Light weight. heel cut-outs for easy bearing maintenance.
  • Removable becket pins allow lines to be spliced prior to fitting.
  • Blocks can be disassembled for servicing or customization.
  • Max line diameter is 12mm (1/2").
More Information
Color Black
Breaking Load (lbs) 5510
Breaking Load (kg) 2500
Clevis Pin (in) 9/32
Safe Working Load (lbs) 2200
Safe Working Load (kg) 1000
Sheave Diameter (in) 3
Sheave Diameter (mm) 75
Weight (g) 332
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