HARKEN 128-129 Big Bullet Triple Sheave Line Pin 128/129 38MM 10MM 3/4

( Brand: Harken ), ( Manufacturer Part Number: 128/129 ), ( Part Type: Line Pin )

Review HARKEN #128/129 Big Bullet Triple #129 38mm Sheave Dia Line 10mm Pin 3/4

Introducing the Harken 128/129 Big Bullet Triple Sheave Line 10mm Pin 3/4, a high-performance sailing accessory designed for those seeking smooth and efficient sail handling. This triple sheave system is an essential upgrade for sailors looking to optimize their rigging for larger sails or heavier loads.

The Big Bullet triple sheave system is characterized by its large diameter 38mm sheaves, which provide a significant reduction in friction, resulting in faster and smoother sail handling. The 128/129 model refers to the sheave pitch, which is ideally suited for boats with larger sails and heavier loads. The pitch of the sheaves ensures that the line runs efficiently over the pulleys, reducing the need for excessive force to hoist or drop sails.

This triple sheave system features tenmm diameter pins that offer unmatched durability and strength. The pins are made of high-quality material that resists wear and corrosion, ensuring long-lasting performance even in the most demanding sailing conditions. The 3/4 inch diameter pin size is suitable for larger lines commonly used in sailing, such as double braid or dyneema ropes.

The Harken Big Bullet Triple Sheave Line 128/129 comes with the renowned Harken Big Bullet cartridge bearings. These bearings are renowned for their low friction, smooth operation, and long-lasting performance. The bearings are also self-lubricating, ensuring that they require minimal maintenance over their lifespan.

This triple sheave system is designed to be easily installed and can be mounted on various mounting surfaces, including deck, mast, or boom. The system comes complete with all necessary hardware for installation, making it a convenient and hassle-free upgrade for your sailing rigging.

In summary, the Harken 128/129 Big Bullet Triple Sheave Line 10mm Pin 3/4 is a top-of-the-line sailing accessory that delivers unmatched performance, durability, and ease of use. Its large diameter sheaves, strong tenmm pins, and renowned Harken Big Bullet bearings make it an essential upgrade for sailors seeking to optimize their sail handling system for larger sails or heavier loads.

Harken 128/129 Big Bullet Triple 129 38mm Sheave Line with 10mm Pin 3/4: A Detailed Analysis

The Harken 128/129 Big Bullet Triple 129 38mm Sheave Line with 10mm Pin 3/4 is a high-performance, durable, and efficient sailing system component. This product is renowned for its strength, versatility, and ease of use. In this analysis, we will discuss the pros and cons of this product, followed by a conclusion and recommendation.

1. High Load Capacity: With a 38mm sheave diameter and a 10mm pin, this system is capable of handling substantial loads, making it an excellent choice for large sailboats or high-performance racing yachts.

2. Smooth and Efficient: Harken's Big Bullet system is renowned for its smooth and efficient operation. The triple sheave design reduces friction and wear, allowing the system to operate with minimal effort and maximum efficiency.

3. Durability: The Harken Big Bullet system is built to last. The high-quality materials used in its construction, such as marine-grade stainless steel, ensure that the system can withstand the harsh marine environment and heavy use.

4. Versatility: This system can be used in a variety of applications, including mainsheets, genoa sheets, and spinnaker sheets. Its versatility makes it a valuable addition to any sailing vessel.

1. Cost: The Harken Big Bullet Triple 129 38mm Sheave Line with 10mm Pin 3/4 is a premium product, and its cost reflects its high-performance capabilities. This may be a consideration for budget-conscious sailors.

2. Complex Installation: Installing this system may require some expertise and additional tools. While the installation process is not overly complicated, it may be more involved than some other sailing system components.

The Harken 128/129 Big Bullet Triple 129 38mm Sheave Line with 10mm Pin 3/4 is an excellent choice for sailors who demand the highest performance, durability, and efficiency from their sailing systems. Its smooth operation, high load capacity, and versatility make it an invaluable asset to any sailing vessel. While its cost and complex installation may be drawbacks for some, the benefits it offers far outweigh these considerations.

If you are a serious sailor looking for a high-performance, durable, and efficient sailing system component, the Harken 128/129 Big Bullet Triple 129 38mm Sheave Line with 10mm Pin 3/4 is an excellent investment. Its smooth operation, high load capacity, and versatility make it an invaluable addition to any sailing vessel. While its cost and complex installation may be considerations, the benefits it offers far outweigh these factors.

Details:

38MM SHEAVE DIA, PIN DIA 10MM length 4 1/2.

part #: 128129 price

• $78.95

specifications sailgrinch:

• brand: Harken
• mpn: 128/129
• part type: Line Pin

shipping sailgrinch:

• type: Fixed
• transit: 3-7 Days
• cost: $11.95
• service: Standard
• class: Standard

payments sailgrinch:

• wallet: Apple-pay
• credit card: Discover
• cash
• other

returns sailgrinch:

• paid by: Seller
• policy: Returns Accepted
• time: 30 Days

general sailgrinch:

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

offer sailgrinch:

• sold: 0
• availability: In Stock
• quantity: 1
• options: Ship-to-home
• started: March 18, 2026

seller sailgrinch:

• city: Bristol, Rhode Island
• # reviews: 4306
• rating: 100.0%

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