1. ATV Transmission & Drivetrain Parts Deals
  2. sku: 6997349477954792
  3. SPEC FS-520-O

FACTORY SPEC FS-520-O Ring Chain Oring Master 642141041537 520X130

Fs-520-o Factory Spec 130 Heavy Duty O Ring Chain 520x130 Oring 520 X Master

( Brand: Factory Spec ), ( Part Type: Ring Chain ), ( Manufacturer Part Number: 130 FS-520-O ), ( UPC: 642141041537 )

Review FACTORY SPEC 130 Heavy Duty Ring Chain 520x130 Oring 520 Master

Introducing the 130 fs-520-o ring chain, a high-performance and durable solution for your cycling needs. This 520x130 oring, also known as a 520 master link, is designed to provide a seamless connection between two sections of a 130mm wide chain.

The fs-520-o ring chain is manufactured with precision and care, ensuring that it meets the highest standards of quality. Its shape factor S is 520, which makes it compatible with most bicycle chains on the market. This flexibility allows you to use it as a replacement or upgrade, depending on your specific needs.

The master link itself is designed to be robust and reliable, with an oval shape that minimizes the risk of derailment. The oval shape also helps to reduce the wear and tear on the chain, allowing it to last longer than traditional round master links.

The 130 fs-520-o ring chain is made of high-quality materials that offer excellent strength and durability. Its pins and rollers are made of hardened steel, which ensures that they can withstand the rigors of regular use. The rollers are also treated with a special coating to reduce friction and wear, making the chain more efficient and smoother in operation.

Installing the 130 fs-520-o ring chain is a breeze, thanks to its easy-to-use design. The master link comes with a quick-connect system that allows you to join and remove the chain sections quickly and easily, without the need for tools. This makes it an ideal choice for cyclists who want to save time and effort when changing or maintaining their chain.

In summary, the 130 fs-520-o ring chain is a top-quality, high-performance, and reliable solution for your cycling needs. Its oval shape, robust materials, and easy-to-use design make it an excellent choice for anyone looking to upgrade or replace their existing chain. Whether you're a casual rider or a competitive racer, this master link is sure to meet your expectations and help you enjoy your cycling experience to the fullest.

Pros and Cons of Buying a 130 fs-520-o Ring Chain for Your Bicycle: A Comprehensive Analysis

Introduction:

The fs-520-o ring chain, specifically with a pitch size of 130 and a width of 520x130, is a popular choice among cyclists for its durability and efficiency. However, like any other product, it comes with its advantages and disadvantages. In this analysis, we will discuss the pros and cons of investing in a 130 fs-520-o ring chain.

Pros:

1. Durability: The fs-520-o ring chain is renowned for its strength and longevity. Its design reduces the risk of chain breakage, making it an ideal choice for heavy use and rough terrains.

2. Compatibility: This chain is compatible with most bicycle models that utilize a 520x130 chainring and an 11-speed cassette. Its broad acceptance in the market ensures that you can find it easily, regardless of your bike's make or model.

3. Efficiency: The 130 fs-520-o ring chain is known for its power transfer efficiency. Its design minimizes power loss during the pedaling stroke, allowing you to get the most out of your effort.

Cons:

1. Weight: Compared to other chain types, the 130 fs-520-o ring chain is relatively heavier. This added weight may affect the overall performance and speed of your bike, especially for competitive cyclists.

2. Maintenance: This chain requires more frequent cleaning and lubrication due to its design. The o-ring chain has a higher friction coefficient than other chain types, which may necessitate more frequent maintenance.

3. Cost: The 130 fs-520-o ring chain is generally more expensive than other chain types. While its durability and efficiency may justify the expense, it may be a deterrent for budget-conscious cyclists.

Conclusion:

The 130 fs-520-o ring chain offers several advantages, such as durability, compatibility, and efficiency. However, it also comes with some drawbacks, including its weight, maintenance requirements, and cost. Ultimately, the decision to invest in this chain depends on your individual cycling needs and preferences.

If you prioritize strength, longevity, and compatibility, the 130 fs-520-o ring chain may be the best choice for you. However, if weight, maintenance, or cost are significant concerns, you may want to consider alternative chain types.

Recommendation:

For cyclists seeking a strong, reliable, and efficient chain, the 130 fs-520-o ring chain is an excellent investment. Its proven durability makes it an ideal choice for heavy use and off-road cycling. However, if you prioritize weight savings or easier maintenance, you may want to consider alternative chain types. Ultimately, the best choice depends on your unique cycling needs and preferences.

part # fs520 prices

  • $6.95-$8.39

specifications utvshift:

  • brand: Factory Spec
  • part type: Ring Chain
  • manufacturer part number: 130 FS-520-O
  • upc: 642141041537

general utvshift:

  • condition: New
  • ATV, Side-by-Side UTV Parts Accessories > Transmission Drivetrain > Other Transmission Drivetrain Parts

shipping utvshift:

  • cost: $0.00
  • service: Standard
  • class: Standard
  • type: Fixed
  • transit: 3-7 Days

payments utvshift:

  • credit card: Diners-club
  • other
  • wallet: Google-pay

offer utvshift:

  • started: July 9, 2025
  • availability: In Stock
  • options: Ship-to-home
  • quantity: 4
  • sold: 0

returns utvshift:

  • paid by: Buyer
  • time: 60 Days
  • policy: Returns Accepted

seller utvshift:

  • # reviews: 387653
  • rating: 99.4%
part type: ring chain,
category: atv parts > atv, side-by-side utv parts accessories > transmission drivetrain > transmission drivetrain parts, sku: 6997349477954792,

Factory Spec FS-520 Is Similar To:

utvshift logo
5 offers $6.95–$8.39 USD
  • Offer #1: $7.95 price + free delivery = $7.95* total. (1) Master link for 520 pitch, gold o-ring chain. Rivet style.FREE SHIPPING
  • Offer #2: $8.39 price + free delivery = $8.39* total. (1) Master link for 520 pitch, Natural steel color o-ring chain.FREE SHIPPING
  • Offer #3: $6.95 price + free delivery = $6.95* total. Works with our x-ring chain that has a tensile strength of 8,200 Lbs (1) Heavy duty master link for 520 pitch, black x-ring chain.FREE SHIPPING
  • Offer #4: $5.95 price + free delivery = $5.95* total. Clip style. (1) Master link for 520 pitch, gold non o-ring chain.FREE SHIPPING
  • Offer #5: $8.39 price + free delivery = $8.39* total. (1) Master link for 520 pitch, black o-ring chain.FREE SHIPPING