Recirculating Torlon ball bearings allow genoa lead cars to adjust easily under full sheet loads.
Sheaves feature ball/roller bearings with sideload balls for easy trimming and fore/aft adjustment under load. Wide sheaves accommodate two sheets during sail changes. Sheave carriers pivot to accommodate changing lead angles.
1869 and 3072 Mini-Maxi cars come with control blocks for a 2:1 purchase or puller tangs for a 1:1 system.