System 30 - End Control, Single Torlon Ball Bearing Sheave, Becket for Control Line Shackle Adaptor The BBB60 Single Swivel Block

The BBB60 Single Swivel Block is a 60 mm ball bearing block with a swiveling shaft

Ergonomic design for easy adjustment

To be combined with System 42 cars and end stops

BlockType: td

System: 30

System 30 - End Control, Single Torlon Ball Bearing Sheave, Becket for Control Line Shackle Adaptor The BBB60 Single Swivel BlockThe System 30 Performance Single sheave End Control is designed for high performance jib genoa trim with 4: 1 purchase. It features a 50 mm machined aluminium sheave with Torlon ball bearings separated from each other in a ball cage. This prevents ball to ball contact for a low friction operation. The fitting is anodized aluminium with a shock absorbing rubber buffer. The hole in the base is a termination (becket) for a control line. Ideal dimension