HARKEN C8957 Ttr Block Sheave 155MM

( Brand: Harken ), ( Manufacturer Part Number: C8957 ), ( Part Type: Block )

Review HARKEN Ttr 155mm Block Wide Sheave

Introducing the Harken C8957 TTR 155mm Block Sheave, a high-performance sailing component designed for competitive racers and cruisers alike. This block sheave is engineered to deliver smooth and efficient sail handling, allowing you to make the most of your sail power.

The Harken C8957 TTR 155mm Block Sheave boasts a sleek and compact design, with a diameter of 155mm and weight of just 385 grams. This makes it an ideal choice for boats with limited space but demanding sail handling requirements. The block sheave is constructed from marine-grade aluminum, ensuring durability and resistance to the harsh marine environment.

The TTR (Two-Track Roller) bearing system is a standout feature of this block sheave. It utilizes two sets of rollers, placed above and below the sheave centerline, which reduces friction and wear, and enhances the overall efficiency of the sail system. The bearings are self-lubricating, requiring minimal maintenance, and the sheave is designed to be easily serviced without the need for removal from the boat.

The Harken C8957 TTR 155mm Block Sheave is compatible with standard 7/16" (11mm) rope and comes with a pair of high-performance Harken cam cleats. These cleats are designed to provide secure and efficient rope holding, even in the most demanding sailing conditions. The cleats are also easily adjustable, allowing for fine-tuning of sheet tension.

In summary, the Harken C8957 TTR 155mm Block Sheave is a premium sailing component that delivers unmatched sail handling performance, durability, and ease of use. Its compact design, efficient TTR bearing system, and compatible high-performance cam cleats make it an essential addition to any sailing rig, whether you're a competitive racer or a cruising enthusiast.

Harken C8957 TTR 155mm Block Sheave: A Comprehensive Analysis

The Harken C8957 TTR 155mm block sheave is a popular choice among sailors for its durability, efficiency, and high load capacity. However, like any other product, it comes with its own set of advantages and disadvantages. In this analysis, we will explore both sides of the argument to help you make an informed decision.

1. High Load Capacity: The Harken C8957 TTR 155mm block sheave is designed to handle high loads, making it an ideal choice for large sailboats or heavy-duty applications.

2. Durability: Harken is known for its high-quality materials and manufacturing processes. The C8957 TTR block sheave is no exception. It is made from marine-grade bronze and stainless steel, ensuring longevity and resistance to corrosion.

3. Efficiency: The self-aligning bearings in the Harken C8957 TTR block sheave ensure smooth and efficient operation, reducing friction and wear over time.

4. Versatility: The Harken C8957 TTR block sheave is compatible with various line sizes and types, making it a versatile choice for different sailing conditions.

1. Cost: The Harken C8957 TTR 155mm block sheave is a premium product, and its price reflects its high-quality materials and advanced features. It may be more expensive than other block sheaves on the market.

2. Size and Weight: The 155mm size and bronze material make the Harken C8957 TTR block sheave larger and heavier than some other options, which could be a disadvantage for sailors looking for a lightweight solution.

3. Maintenance: While the Harken C8957 TTR block sheave is built to last, it still requires regular maintenance to ensure optimal performance. This includes lubricating the bearings and checking for signs of wear and corrosion.

The Harken C8957 TTR 155mm block sheave offers several advantages, including high load capacity, durability, efficiency, and versatility. However, it also comes with some disadvantages, such as cost, size and weight, and maintenance requirements. Ultimately, the decision to purchase the Harken C8957 TTR block sheave depends on your specific sailing needs, budget, and preferences. If you require a high-performance, heavy-duty block sheave for large sailboats or heavy-duty applications, the Harken C8957 TTR 155mm block sheave is an excellent choice. However, if you're looking for a more affordable or lightweight solution, there may be other options on the market that better suit your needs.

If you are in the market for a high-quality, heavy-duty block sheave and have the budget for it, the Harken C8957 TTR 155mm block sheave is an excellent investment. Its durability, efficiency, and versatility make it a reliable and long-lasting solution for sailors who demand the best performance from their equipment. However, if cost or weight is a concern, you may want to consider other options on the market that offer similar features but at a lower price point or lighter weight. Ultimately, it's important to weigh the advantages and disadvantages carefully and choose the block sheave that best fits your sailing needs and budget.

Details:

Harken TTR series big boat Airlock with wide/tulip sheave. 10,000kg working load.

part #: c8957 price

• $650.00

specifications sailgrinch:

• brand: Harken
• mpn: C8957
• part type: Block

general sailgrinch:

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

shipping sailgrinch:

• class: Standard
• service: USPS Ground Advantage
• cost: $8.65
• type: Calculated
• transit: 5-11 Days
• carrier: USPS

seller sailgrinch:

• city: Olympia, Washington
• # reviews: 86
• rating: 100.0%

offer sailgrinch:

• started: March 27, 2026
• sold: 0
• quantity: 2
• options: Ship-to-home
• best offers: True
• availability: In Stock

returns sailgrinch:

• policy: No Returns

payments sailgrinch:

• credit card: Mastercard
• other
• wallet: Apple-pay

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