Through a combination of geometry, sheave ratios and a unique free-spin bearing, the Synchro range delivers nearly the performance that is achieved by ball and roller bearing blocks used in pro racing, but at a fraction of the price.
Unique free-spin self lubricating bearing
Optimized sheave to rope ratio
Swivel lock self-aligning head
Adjustable cams
Compatible with ocean pad eyes and upstands
Sheave diameter: 3-1/2"