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GP Catamaran Ceramic Mainsheet Systems

GP Catamaran Ceramic Mainsheet Systems

Harken’s Grand-Prix mainsheet systems are critically important options for high-performance beachcats like the Nacra 17 or F18s. The high-efficiency blocks making up these systems feature insert-molded ceramic bearings that almost eliminate rolling resistance, greatly improving power transfer to the crew for easy, precise trimming. These compact blocks feature hardcoat-anodized sideplates that envelop composite sheaves for easy disassembly/reassembly. The system profile is the lowest on the market by far.

Features

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Features 16
The lower block features a bui…

The lower block features a built-in cam arm that infinitely adjusts by loosening two (2) screws with a hex key.

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GP Catamaran Ceramic Mainsheet Systems

12:1 GP catamaran mainsheet system

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