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Harken 2650 40mm Carbo Air Single Block Fixed Sailboat Block

Manufacturer

Harken

<h3>About Harken: Performance Marine Hardware Since 1967</h3><p><strong>Harken</strong> is one of the most recognized names in performance marine hardware, with a legacy stretching back to 1967. <a href="/14853-harken">Harken</a> was founded in a 60-foot trailer by brothers Peter Harken and Olaf Harken, who set out to engineer better sailboat hardware than anything the market had to offer. Their early breakthrough — the plastic recirculating ball bearing block — redefined how sailors managed lines under load and launched a brand that would go on to dominate competitive sailing at the highest levels.</p><p>Headquartered in Pewaukee, Wisconsin, and with a major manufacturing facility in Limido Comasco, Italy, Harken operates as an employee-owned company with distribution spanning 48 countries. From club racing dinghies to grand prix offshore programs, Harken hardware has been aboard winning boats for decades — making its Olympic and America's Cup debuts in 1976 and 1977, respectively.</p><h3>A Full Range of Marine Hardware</h3><p>Harken's product lineup is broad by design. The company works hard to be the technological leader in sailboat blocks, deck hardware, winches, and hydraulics, as well as safety and rescue equipment and services. Their marine catalog includes small boat and big boat blocks, travelers and genoa leads, mainsail and headsail handling systems, winches, hydraulics, mooring solutions, and a robust line of spare parts and accessories.</p><p>At the core of it all are Harken's renowned <a href="/14853-harken-pulleys-blocks-200822">Pulleys &amp; Blocks</a> — the product category that started it all. Whether you're outfitting a high-tech racing dinghy or a bluewater cruising yacht, Harken blocks are engineered for high-load capacity, corrosion resistance, and the smoothest possible operation. The lineup spans sheave sizes from 16 mm all the way to 75 mm, with single, double, triple, fiddle, and soft-attach configurations to cover virtually every application on deck.</p><p>Beyond sailing, Harken also produces a dedicated line of sportfishing <a href="/14853-harken-pulleys-blocks-202394">Pulleys &amp; Blocks</a> engineered for the unique demands of offshore fishing. These compact, high-load pulleys are built for outrigger systems, dredge rigging, and heavy-duty line management — bringing the same patented bearing technology that excels on race courses to the rigors of the fishing cockpit.</p><h3>Why Sailors Trust Harken</h3><p>What sets Harken apart is a relentless commitment to engineering. Each product category is developed with input from top sailors, sailmakers, and boat designers — and the results speak for themselves on race courses worldwide. Harken hardware is a consistent fixture on America's Cup campaigns, Volvo Ocean Race fleets, Olympic classes, and everything in between. For cruisers, that race-proven performance translates into gear that is more reliable, longer-lasting, and more responsive than the alternatives.</p><ul><li>Employee-owned company with decades of marine engineering expertise</li><li>Manufacturing in the USA and Italy, with global distribution in 48 countries</li><li>Patented bearing systems engineered for high loads and minimal friction</li><li>Product lines covering everything from small dinghies to superyachts</li><li>Trusted at the Olympic Games and America's Cup since the 1970s</li></ul>

Part Number

2650
07/13/2036 4:39 AM
Sale Price

$23.22

In Stock (5)

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Product Details

The Harken 2650 Carbo Air® Single Block is a high-performance, fixed-head sailboat block engineered for demanding applications on dinghies and small keelboats. Part of Harken's acclaimed Carbo Air® line, the 2650 delivers an outstanding strength-to-weight ratio — 60% stronger and 30% lighter than equivalent Classic blocks — making it a top choice for weight-conscious racers and performance sailors alike.

The block features a 40mm (1-9/16") sheave diameter and accepts line up to 10mm (3/8") in diameter. Nylon-resin sideplates are densely packed with long-glass fibers, providing a compact, rigid structure capable of a 485 lb (220 kg) maximum working load and a 1,620 lb (735 kg) breaking load. Sheaves spin on high-load ball bearings with fitted races for smooth, low-friction operation under load.

Key Features:

  • 40mm (1-9/16") sheave diameter
  • Maximum working load: 485 lb (220 kg)
  • Breaking load: 1,620 lb (735 kg)
  • Maximum line diameter: 10mm (3/8")
  • 60% stronger and 30% lighter than Harken Classic blocks
  • Nylon-resin sideplates with long-glass fiber reinforcement for high strength-to-weight ratio
  • Ball bearings, sheave, and sideplates UV-stabilized with carbon black for maximum sun and salt protection
  • Three-way head swivels and locks in front or side positions to prevent line twist
  • Easily disassembled with a single Allen® wrench for maintenance
  • Lightweight at only 40g (1.4 oz)

Ideal Applications:

  • Main sheets and jib sheets
  • Mainsheet fine-tune systems
  • Control lines, vangs, and cunninghams
  • Outhauls on high-performance dinghies and small keelboats

The Harken 2650 Carbo Air® block is built to withstand the rigors of saltwater sailing, delivering consistent, low-friction performance race after race.

Products specifications

Type

Single

Diameter

3/8 Inch or 10 mm

Length

2 1/2 Inches

Mount Type

Fixed Lashing Eye

Weight

0.09

Ball Bearings

Plastic

Becket

No Becket

Direction

Any

Integral Cleat

No Integral Cleat

Ratchet

Non Ratcheting

Safe Working Load

485 Pounds

Sheave Diameter

40 mm

The price was great and delivery out standing. Much greater than I ever expected. Great job.

Good, no iisues

The picture did not match what I purchased. Only part number and description were correct.

Quick service

Super price, fast checkout.

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