130 mm Roller Bearing Block - Single, Swivel. Quick-Lock The eye at the top

The eye at the top of the cam cleat arm is used as "dead-end" for a cascade application

It features a ø40 mm plain bearing sheave for 3:1 purchase of the control line

Ideal for trim lines on smaller boats in racing conditions

The BBB40 Fiddle Block features a large 40 mm primary sheave and a smaller secondary sheave for increased mechanical advantage in rigging systems

130 mm Roller Bearing Block - Single, Swivel. Quick-Lock The eye at the topThe RBB130 Single Roller Bearing Block is built for extreme loads and dynamic applications, featuring a large 130 mm sheave. Made from machined black anodized aluminium and equipped with Torlon roller bearings, this block provides superior strength and smooth operation. The swiveling shaft can be fixed at 0 or 90 with a set screw. Polymer thrust bearings resist side loads, and a polymer washer insulates stainless from aluminium to prevent corrosion.