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Ronstan Series 55 Orbit Block Fiddle/Cleat/Link - Boaterbits

Ronstan Series 55 Orbit Block Fiddle/Cleat/Link



Sheave Diam. 2-5/32 in. + 1-3/8 in.
Max. Rope Diam. 3/8 in.
Max. Wire Diam. - N/A
Pin Diam. - N/A
Working Load 1100 lb
Breaking Load 2200 lb
Weight 8.1 oz

Kilogram for kilogram of working load, Orbit Blocks™ are the world’s lightest. To gain peak performance, we engineered out the heavy steel load straps, head post, shackle, full-length fasteners, and cleating accessories. Through extensive research and development, we replaced virtually all metal components with high-tech polymers and fibre equivalents.

The flexible Dyneema® Link provides controlled rotation and 0° or 90° orientation. It connects directly to the head of the block rather than to an intermediate head post. This reduces weight and gives the lowest possible profile while allowing full articulation. Beckets have been carefully designed to minimise height.

Ultra Lightweight
Low friction 2-stage Orbital ball bearing system
Highest working load in its class
Easily fitted and securely retained Dyneema Link head
Low profile and compact
High performance cleating

Mainsheet systems on dinghies, sportsboats and small keelboats to 9m (30ft)
Spinnaker sheets on dinghies, sportsboats and small keel boats to 9m (30ft)
Halyard, Vang and Backstay application on boats to 8m (26ft)
Control line applications on larger yachts

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