Product information
Discover the 57 mm Carbo Ratsch blocks



The 57 mm Carbo Ratsch blocks are the ideal solution for sailors looking for an optimal balance between holding power and controlled fiddling under load. With their compact design and high load-to-mass ratio, these blocks offer both robustness and ease of use.



Main features


  • Materials: Cheeks made of reinforced nylon resin with densely layered glass fibres for increased stability.

  • Surface: Hard Lube anodised, milled discs provide strength and corrosion protection.

  • Safety: Eight bevels ensure that the sheet is held securely.

  • Ball bearing: Free-running ball bearing, disc and cheeks are blackened for maximum protection.



Functionality

The reversible ratchets enable precise on/off switching with easy-to-reach switches on both sides of the block. This ensures flexible handling and adaptation to the respective sailing conditions.



Optimal application

For an effective sailing system, we recommend installing a switchable ratchet in the cockpit and attaching a Ratchamatic® directly above it on the boom. This ensures double holding power in strong winds and a free-running sheet in lighter conditions.



Technical specifications


  • Holding power: 57 mm to 10:1, 75 mm to 15:1.

  • Usage: Suitable for main, jib and spinnaker sheets as well as for fine trim, mainsheet, traveller controls, genoa, centreboard and spinnaker downhaul.




Experience the benefits of the 57 mm Carbo Ratsch blocks and optimise your sailing experience with this sophisticated technology.

Manufacturer information (according to GPSR):
Harken, Inc.
Bluemound Road 24983
WI 53072 Pewaukee, USA
Responsible for the EU (according to GPSR):
Peter Frisch GmbH
Isar-Ring 11
80805 München, Deutschland
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Technical data
Article no.89731
EAN097653144267
Manufacturer product no.H2135
Properties
Colour black
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