fits year: 1970.

( Brand: Kmc ), ( Manufacturer Part Number: 520UO-70 ), ( Type: Drive ), ( Color: Natural ), ( Item Width: 4.600 ), ( Manufacturer Warranty: 1 Year Manufacturer Warranty ), ( Item Length: 10.800 ), ( Authorized Dealer: Yes ), ( Chain Application: Offroad ), ( Height: 1.200 ), ( Legal Disclaimer: Your Local Laws Before Purchasing. ), ( Photo Disclaimer: For Reference Only, May Differ From Product, See Item Details. )
Introducing the KMC 520 OU-70 Chain, a high-performance O-ring drive chain specifically designed for bicycles. With a length of 70 links, this chain is perfectly suited for most standard road and mountain bikes. This KMC chain is part of their 520 series, which is renowned for its durability and reliability.
The KMC 520 OU-70 Chain boasts several advanced features. First and foremost are its O-ring design and Power Link technology. The O-ring design ensures that the chain runs smoothly and quietly, while the Power Link technology makes it easy to install and remove the chain without the need for a chain tool.
The chain links are made from cold-forged and heat-treated pins and rollers, ensuring maximum strength and durability. The rollers are also chrome-plated for added protection against corrosion. The inner and outer plates of the chain are made from nickel-plated steel, which not only looks great but also provides excellent resistance to wear and tear.
The KMC 520 OU-70 Chain utilizes O-rings to hold the chain together, which helps to reduce the amount of lubricant needed and keeps the chain cleaner for longer. The O-rings also help to prevent the chain from derailing, ensuring a stable and reliable ride.
This chain is a perfect replacement for worn-out or damaged chains and is suitable for use with all standard 1/2 x 1/8 inch derailleur systems. It is also compatible with most single-speed and internal gear hub systems. With its high-quality materials and advanced design, the KMC 520 OU-70 Chain is an excellent choice for riders who demand the best performance and reliability from their bicycle components.
The KMC 520 OU-70 chain is a popular choice among cyclists due to its durability and performance. Here are some pros and cons to consider before making a purchase.
Pros:1. Highly durable: KMC chains are known for their strength and longevity. The KMC 520 OU-70 chain is no exception, offering excellent resistance to wear and tear.
2. Smooth operation: The O-ring design on this chain helps keep the lubricant inside, reducing friction and ensuring a smoother ride.
3. Compatibility: This chain is compatible with most standard 5-speed freewheels and 7-speed cassettes, making it a versatile option for various bikes.
4. Lightweight: Weighing only about 350 grams, the KMC 520 OU-70 chain is relatively lightweight compared to other chains of similar length.
Cons:1. Cost: The KMC 520 OU-70 chain is more expensive than some other chains on the market.
2. Installation: Installing an O-ring chain can be more complex than installing a standard chain since the O-rings need to be properly positioned.
3. Maintenance: While the O-ring design helps keep the chain clean, it may need more frequent cleaning and lubrication compared to standard chains.
In conclusion, the KMC 520 OU-70 chain offers several advantages, including durability, smooth operation, and compatibility. However, it comes with some drawbacks, such as a higher cost, more complex installation, and increased maintenance requirements.
If you prioritize a long-lasting, smooth-running chain and are willing to invest more time and money into its maintenance, the KMC 520 OU-70 chain could be an excellent choice for you. Otherwise, you may want to consider more affordable options with simpler installation and maintenance requirements.
Recommendation:If you are looking for a high-performance, durable chain and are willing to invest in its maintenance, the KMC 520 OU-70 chain is a great option. However, if you prefer a more affordable and low-maintenance chain, you may want to explore other brands and models. Always make sure to check the compatibility of the chain with your specific bike and drivetrain system before making a purchase.
In addition, specially formulated grease contained by using a durable ring in between solid bushing and hardened pin, keeps constant lubrication eliminates friction during operation. Photos are for reference only. Chain Application: Offroad, length : 70, Type: 520, Marketing Color: Natural, Specifically designed with sealed-in lubrication, makes KMC sealed chain work to its optimum life. Actual product may differ from the item shown in photograph.
Least wear results in least chain stretch and prolongs its service life.