HARKEN HR2135 Set Ratcheting Air Blocks 57C

( Brand: Harken ), ( Manufacturer Part Number: HR2135 ), ( Part Type: Block ), ( Country/region Of Manufacture: United States )

Review HARKEN Set Of Ratcheting 57c Carbo Air Blocks Used

Introducing the Harken HR2135 Ratcheting 57cm Air Blocks, a high-performance sailing accessory designed to provide accurate and smooth sheet feeder operation for your sailboat. These air blocks are part of Harken's renowned HR series, known for their innovative design and superior functionality.

The HR2135 Ratcheting Air Blocks feature a 57cm (22.4 inches) length, making them suitable for larger boats with more significant rigging requirements. The air blocks are constructed from high-quality, marine-grade materials, ensuring durability and resistance to the harsh marine environment.

One of the most notable aspects of these air blocks is their ratcheting mechanism. This design allows for easy and precise sheet tensioning, as well as effortless sheet release. The ratcheting function also helps to reduce the amount of force required to trim the sails, making sail handling a more manageable task.

The HR2135 Ratcheting Air Blocks are also equipped with Harken's patented EASY cleat system. This system allows for quick and easy cleat attachment, enabling you to securely connect your sheets to the blocks without the need for additional hardware. The EASY cleat system is also compatible with a wide range of cleat sizes, providing flexibility and versatility.

Additionally, the HR2135 Ratcheting Air Blocks include Harken's fine-tuning cam system. This feature enables you to fine-tune your sheet tension, ensuring optimal sail performance in various wind conditions. The cam system is also easy to adjust, allowing you to make quick adjustments on the fly.

In summary, the Harken HR2135 Ratcheting 57cm Air Blocks are an essential sailing accessory for larger boats. Their ratcheting mechanism provides easy and precise sheet tensioning and release, while the EASY cleat system and fine-tuning cam system offer versatility and fine-tuning capabilities. Built from high-quality, marine-grade materials, these air blocks are designed to withstand the harsh marine environment and deliver superior performance for years to come.

Harken HR2135 Ratcheting 57cm Air Blocks are popular among sailors for their efficiency and ease of use. Here are some pros and cons to help you make an informed decision about purchasing these air blocks:

1. Efficient: The ratcheting mechanism allows for quick and easy release of the sheet, reducing the need for constant adjustments.

2. Durable: Harken is known for producing high-quality sailing equipment, and these air blocks are no exception. They are built to withstand the rigors of the marine environment.

3. Adjustable: The air blocks come with adjustable tension settings, allowing you to customize the feel of the sheet and optimize performance.

4. Compact: The 57cm length is a popular size for dinghy and keelboat sailors, as it offers a good balance between compactness and versatility.

5. Easy to use: The ratcheting mechanism makes it easy to adjust the sheet even when under load, making it a great option for solo sailing.

1. Cost: Harken air blocks are more expensive than some other brands. However, their durability and performance may justify the investment for serious sailors.

2. Weight: The ratcheting mechanism and larger size may add some weight to your rig, which could be a consideration for lighter or smaller boats.

3. Complexity: The ratcheting mechanism may require some initial setup and adjustment to get used to, although this is a one-time process.

The Harken HR2135 Ratcheting 57cm Air Blocks offer several advantages for sailors, including efficiency, durability, adjustability, and ease of use. While they come with some cons, such as cost and weight, these considerations may be outweighed by the benefits for serious sailors. If you're looking for a high-performance, compact, and versatile sheet system, these air blocks are definitely worth considering.

If you're in the market for new sheet blocks and are looking for a high-performance option, the Harken HR2135 Ratcheting 57cm Air Blocks are a great choice. While they come with a higher price tag, their durability, ease of use, and adjustability make them a worthwhile investment for serious sailors. However, if weight is a concern or you're on a tighter budget, you may want to consider other options.

Details:

The 57mm switchable ratchets provide precise on/off control with accessible, easy-to-operate switches on both sides of the block. Lightly used and in great condition Carbo Ratchets allow sailors to hand-hold loaded lines offer balance between holding power controlled easing. Use for: Main/jib/spinnaker sheets, Main sheet fine-tune, Traveler controls, Genoa leads, Forego, Vang's For the ultimate system, mount a switchable ratchet in cockpit and boom-mounted Chromatic directly above for double holding power heavy air free running main sheet when its light. The 57mm provides up to 10:1 holding power.

Eight facets hold line securely. Ball bearings, sheave, and side plates are UV-stabilized with carbon black for maximum protection. Nylon resin side plates are densely packed with long-glass fibers for a compact block high strength-to-weight ratio. Machined aluminum sheaves are Hardcore anodized for strength and corrosion resistance.

part #: hr2135 prices

• $20.15-$400.00

specifications sailgrinch:

• brand: Harken
• mpn: Hr2135
• part type: Block
• country/region of manufacture: United States

offer sailgrinch:

• options: Ship-to-home
• sold: 0
• availability: In Stock
• started: September 18, 2025
• quantity: 1
• best offers: True

returns sailgrinch:

• policy: No Returns

general sailgrinch:

• Boat Parts > Sailing Hardware Gear > Other Sailing Hardware Gear
• condition: Used

seller sailgrinch:

• # reviews: 24
• rating: 0.0%
• city: Kitty Hawk, North Carolina

shipping sailgrinch:

• carrier: USPS
• cost: $4.89
• service: USPS Ground Advantage
• transit: 5-11 Days
• class: Standard
• type: Calculated

payments sailgrinch:

• other
• credit card: Discover
• wallet: Google-pay

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