Ronstan Low Friction Ring, 26 mm (1-1/32"), RF8090-26 Sailboat Blocks & Hardware_29 mm Wire Cheek Bullet Block screechers

screechers

the line can be rolled back and taken off even after it becomes "stiff as a wire" from tension

The hollow-bearing at the center of a single sheave serves as a becket to further reduce weight while adding versatility

and with manual models

Ronstan Low Friction Ring, 26 mm (1-1/32"), RF8090-26 Sailboat Blocks & Hardware_29 mm Wire Cheek Bullet Block screechersA result of trickle down from Grand Prix yacht racing Ronstan's range of Low Friction Rings provides an outstanding strength to weight solution where the absolute minimum friction of a ball bearing block is not required. That being said, the performance difference between well and poorly executed versions of these simple products is marked. The basic appearance of the Ronstan Low Friction Ring range belies an exacting development process that