What Does 520 Mean On Chain Size?

Do you get confused when you see numbers like 520, 525, or 530 on chains?

You are not alone! Many people do not know what these numbers mean. This can lead to big problems when picking chains for bikes, machines, or other uses.

The Problem: Chain Size Confusion

Picking the wrong chain size can break your machine. It can cost you money. It can stop your work. When you see “520” on a chain, do you know what it means? Most people don’t!

Think about this: You buy a new chain. You put it on. Then it breaks! Why? The size was wrong. Now you have:

A broken machine
Lost time
More costs
Danger

Why Chain Size Matters

The wrong size chain is like shoes that don’t fit. They hurt! They wear out fast! They can make you fall!

Here’s what happens with wrong size chains:

They wear out fast
They can break suddenly
They can damage your machine
They waste power
They cost more money in the long run

The Solution: Understanding Chain Sizes

Good news! Chain sizes are easy to learn. Let’s break down what “520” means:

What the Numbers Mean

The first number (5) = The pitch size (how far between pins) The last two numbers (20) = The width size (how wide the chain is)

So “520” means:

5 = 5/8 inch pitch (distance between pins)
20 = 2/8 inch width (or 1/4 inch)

Let’s see this in a simple table:

Chain Size	Pitch (inches)	Width (inches)	Best For
520	5/8	1/4	Light bikes, racing
525	5/8	5/16	Medium bikes
530	5/8	3/8	Heavy bikes

How to Check Your Chain Size

You can check your chain size at home! Here’s how:

Measure the pitch: Find the distance from the center of one pin to the next pin
Measure the width: Find how wide the roller part is
Look at the numbers: They should be on the box or the chain

Why Choose Haoyue Roller Chains?

At Haoyue, we make top quality roller chains. We are a factory that makes chains and sells them to shops and big buyers.

Our Chain Types:

We make many kinds of chains, like:

428H and 428HD chains for small bikes
Heavy Duty Motorcycle Chains for big bikes
Power Transmission Chains for machines
Standard Roller Chains for many uses

The Problems We Solve

Problem #1: Low Quality Chains Break

Many cheap chains break fast. They stretch. They rust. They fail when you need them most!

This means:

Your bike stops working
Your machine breaks down
You lose time and money
You have to buy new chains more often

Problem #2: Hard to Find the Right Size

Finding the right chain size can be hard. Many shops don’t have all sizes. Some don’t know what size you need.

This leads to:

Wasted trips to stores
Wrong size chains
Machine damage
More costs

Problem #3: High Prices for Good Chains

Good chains often cost too much in stores. The price is high because many people handle the chain before you buy it.

This means:

You pay too much
You might buy cheap chains that break
You waste money in the long run

Our Solution: Factory Direct Quality Chains

We fix these problems! How? We make chains in our own factory and sell them right to you or your shop.

Advantages of choosing our chain:

Made Right: We make chains with good steel and tight checks
All Sizes: We make all chain sizes (420, 428, 520, 525, 530, and more)
Low Prices: You get factory prices, not store prices
Fast Shipping: We ship right from our factory
Help Picking: We help you pick the right chain size

Chain Size Guide: Find Your Perfect Fit

Let’s look more at what chain size you need:

520 Chain

Best for: Light bikes, racing, saving weight Not for: Heavy bikes, hard work

The 520 chain is light but not as strong as bigger chains. It’s good when you want less weight.

525 Chain

Best for: Medium bikes, daily use Not for: Very heavy bikes, very hard work

The 525 chain is a good mix of strength and weight. Most bikes use this size.

530 Chain

Best for: Big bikes, hard work Not for: Racing, when weight matters

The 530 chain is very strong but heavier. Use it when you need a chain that won’t break.

Why Chain Size Must Match Sprockets

Your chain must match your sprockets! This is very important!

If you put a 520 chain on 525 sprockets:

The chain will slip
It will wear out fast
It might break suddenly
It can hurt you or your machine

Always match the chain size to the sprocket size!

How We Make Our Chains Better

At Haoyue, we make chains better than most. Here’s how:

Good Steel: We use strong steel that lasts
Heat Treatment: We heat the parts just right to make them strong
Tight Fits: Our pins and rollers fit just right
Good Checks: We check every batch of chains
Pre-Stretch: We stretch chains before you get them so they last longer

Customer Stories: Real People, Real Results

Story 1: The Racer

Tom races bikes. He tried our 520 chains. He says: “I lost 1.2 pounds on my bike! I go faster now. The chain has lasted all season!”

Story 2: The Farmer

Bill runs farm machines. He says: “I used to break chains every month. With Haoyue chains, I haven’t broken one in a year!”

Story 3: The Factory

Big Box Factory uses our chains on all their machines. They say: “We cut chain costs by 40% and have less down time!”

How to Order Our Chains

Getting our chains is easy:

Find Your Size: Use our guide to find your chain size
Pick Your Type: Standard, heavy duty, or special?
Tell Us How Many: Small or big order, we can help
Get Factory Price: Pay less than store prices
Fast Shipping: Get your chains fast

Take Care of Your Chain

Make your chain last longer:

Keep It Clean: Dirt wears chains fast
Keep It Oiled: Dry chains break sooner
Check It Often: Look for tight spots or damage
Don’t Over-Tighten: Too tight is as bad as too loose

Why Buy Factory Direct?

When you buy from us, you get:

Better Price: No middle people means lower cost
Better Quality: We make it, we stand by it
Better Help: We know chains better than stores
Custom Options: We can make chains just for you
Bulk Savings: Buy more, save more

Ready to Solve Your Chain Problems?

Don’t let the wrong chain size hurt your bike or machine! Don’t pay too much for good chains!

We make top quality roller chains in all sizes. We sell them at factory prices. We ship them fast.

Visit our website or call us today. Let us help you find the right chain at the right price!

Get the right roller chain for your needs today!

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Sprocket Power! Get the Best Sprockets for Your Machines!

Are you looking for strong sprockets? Do you need them fast? We make the best sprockets! We are a sprocket manufacturing factory. We sell sprockets to stores and other big shops. We can make lots of sprockets, just for you! This is called sprocket OEM wholesale distribution.

Problem: Are Your Sprockets Giving You Trouble?

Having the wrong sprocket is like having a bad day. It can make things stop!

Does your machine stop a lot?
Do your sprockets break?
Is it hard to find the right sprocket?
Are you lossing money because your factory equipment is down?

These are big problems. Bad sprockets can cause:

Problem	What Happens
Sprocket Breaks	Machine stops! Work stops!
Wrong Sprocket	Machine does not work right. Slow work!
Hard to Find	You wait and wait. No work!
Machine Down	Machine stop! Your business loss money!

Agitate: These Problems Get Worse!

If you have a bad sprocket, it is not just one little thing. It is a big, big mess!

Think about this:

Broken sprockets mean no work. No work means no money!
The wrong sprocket can hurt other parts. More things break!
Waiting for sprockets makes you lose time. Time is money!
Bad quality materials will affect the sprocket life.

These problems get bigger and bigger. It is like a snowball! It starts small, but it grows and grows! You need to find hp sprocket studio plus.

Solution: We Make the BEST Sprockets!

We have the answer! We are a sprocket factory. We make sprockets all day, every day! We are good at it.

Here is why our sprockets are the best:

Strong Materials: We use the best metal. Our sprockets are strong like a superhero!
Many Sizes: We have big sprockets and small sprockets. We have the right size for you! We have 4 x 6″ (102 x 152 mm) Photo Paper and Cartridges.
Fast Shipping: We send sprockets fast! No long waiting.
Good Prices: We sell to stores, so our prices are good.
Expert Advice: We can make special sprockets.
Quality:All sprockets has to pass quality inspection before ship out, make sure installation easily.

We are experts. We know all about sprockets! We can help you pick the right one.

Our Sprockets: A Closer Look

Let’s look at some of our sprockets:

Sprocket Type	What It Does	Best For
Drive Sprocket	Makes things go!	Big machines, cars, bikes
Gear	Helps other parts move.	All kinds of machines
sprocket	The connection.	Bike, motorcycle

Learn how to setup your HP Sprocket Photo Printer. These steps include unpacking, installing ink cartridges & software.

We Understand Your Needs

We know what stores and big shops need:

Lots of Sprockets: You need many sprockets to sell. We can make them!
Good Prices: You need to make money. Our prices help you do that.
Fast Delivery: You need sprockets fast. We send them quick!
Reliable sprockets: We send you reliable sprockets fast.

We are like a partner. We help you succeed!

How We Make Sprockets (It's Easy for Us!)

Making a sprocket is like making a cake. But instead of flour and sugar, we use metal!

Pick the Right Metal: We pick strong metal. Like picking the best apples for a pie.
Cut the Shape: We cut the metal into a circle. Like cutting out a cookie.
Make the Teeth: We make the teeth on the sprocket. Like making the points on a crown.
Make it Strong: We make the sprocket super strong. Like baking the cake.
Check It: We check every sprocket. We make sure it is perfect.

It is simple for us because we do it all the time!

More Than Just Sprockets

We do not just make sprockets. We also help you!

Help Picking: We help you pick the right sprocket.
Fast Answers: You can call us. We answer fast!
Easy Ordering: It is easy to order from us.
Troubleshooting: We can provide troubleshooting videos.

We are here to help!

Real-Life Examples (See How We Help!)

Big Bike Shop: A big bike shop needed lots of drive sprockets. They called us. We sent them many sprockets, fast! They were very happy.
Car Factory: A car factory needed a special gear. We made it for them. It worked great!
Small Store: A small store needed a few sprockets. We helped them pick the right ones. They sold them fast!

These are real stories. We help all kinds of businesses. We can help you, too!

Why Choose Us? (The Easy Choice!)

We are the factory! No middle man. Better prices.
We are fast! We ship sprockets quick.
We are experts! We know all about sprockets.
We care! We want you to be happy.
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Ordering is Easy!

It is easy to order sprockets from us.

Call us or visit our website! Tell us what you need.
We will help you! We will find the right sprockets.
We ship fast! You get your sprockets quick.

Let's Get Started!

Do not wait! Bad sprockets cause big problems. We can help you solve those problems.

Call us today! We are ready to make sprockets for you! We are the sprocket experts! Remember, we offer sprocket OEM wholesale distribution. That means we can make lots of sprockets, just for you!

We can help you learn how to unbox and set up the HP Sprocket Photo Printer.

Remember to visit Sprocket to check our models. You might be interested in Drive Sprocket for other applications. Also, check out our Gear page.

Don’t risk more broken chains. Don’t lose more time and money.

Contact us today to get the right chains for your needs.