System 30 - Main Ball Bearing Double Car, Ball Bearing Sheaves, 6:1 Purchase, German Sheeting T-Terminal/Fork Safe working Load: 1000 kg

Safe working Load: 1000 kg

The Seldén BBB20 Double Stand Up block is a 20mm ball bearing block suitable for control lines on dinghies and keelboats

Ergonomic design for easy adjustment

The sheaves for the control line are ø40 mm machined aluminium with Torlon ball bearings

The sailor decides when the automatic ratchet kicks in

System 30 - Main Ball Bearing Double Car, Ball Bearing Sheaves, 6:1 Purchase, German Sheeting T-Terminal/Fork Safe working Load: 1000 kgSystem 30 Performance Ball Bearing Car with fixed double sheaves. The sheet turns around a block in the boom, down to the double sheaves and further up to a winch on each side of the cockpit. Car and sheave house are made in anodized aluminium. The sheave house is articulating and stabilized by two stainless springs and the sheet sheaves are V shaped 60 mm machined aluminium wheels on Torlon ball bearings. 6: 1 control line system. The sheaves for the