CB adjustable genoa lead cars feature recirculating Torlon® ball bearings for easy adjustment under full sheet loads. Stainless steel sheave carriers pivot 60 degrees to accommodate changing lead angles. Wide sheave holds two sheets during sail changes. Sheave carriers feature ESP sleeve bearing sheaves. Cars feature car-mounted, sleeve-bearing control blocks for strength and durability. All CB genoa lead cars are compatible with Harken end controls. Kits are available for purchase upgrades up to 4:1. Torlon is a registered trademark of Solvay Advanced Polymers L.L.C.