System 30 - End control, Double with Torlon Ball Bearing Sheaves, Becket Roller Bearing The BBB40 Lead Block is

The BBB40 Lead Block is designed for leading control lines on dinghies and keelboats

suitable for lines Ø8-12mm

L-MIN: 371 mm

30 mm x 1000 mm long standard track with holes for M6 fasteners

System 30 - End control, Double with Torlon Ball Bearing Sheaves, Becket Roller Bearing The BBB40 Lead Block isThe System 30 Performance Double sheave End Control is designed for high performance jib genoa trim with 6: 1 purchase. It features 50 mm machined aluminium sheaves with Torlon ball bearings separated from each other in ball cages. 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 of