Ronstan Series 20 BB Block, Single Loop Mount

Ronstan Ball Bearing blocks have been conceived and engineered for the demands of competitive sailing. Used on boats of all sizes for sheet, fine tune and control line applications they utilise a highly efficient, low friction bearing systems for optimum sheeting and trimming performance.

Product Specifications
Sheave Diam (mm)=20
Sheave Diam (in)=0.8
Max Rope Diam (mm)=6
Max Rope Diam (in)=0.25
Max Wire Diam (mm)=0
Max Wire Diam (in)=0
MWL (kg)=0
MWL (lb)=0
BL (kg)=0
BL (lb)=0