Selden 40mm BBB Single Strap Head w/ Bec

Selden lightweight BBB (Ball Bearing Blocks) are to designed give you great bearing strength under moderate and dynamic loads where good sheave rotation and minimal friction are desired.

The 40mm series features stainless steel ball bearing races, ball bearings and reinforcing straps and Acetal sheaves and bearing cages for optimum bearing strength even under high dynamic loads.

They are typically found in mainsheet, spinnaker, and genoa sheet applications in dinghies as well as control line applications.

This block comes with a fixed stainless steel strap head rather than a swivel. Its becket can be removed.