Repairing Guides

how much to repair a bike chain

by Prof. Libby Heidenreich Published 3 years ago Updated 2 years ago
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How much does a bike chain cost to replace? Entry level chains can start off around $15.00 with more expensive and higher performance chains ranging from $25.00 to $60.00 or more.

Full Answer

Is it time to replace your bicycle chain?

Riding on a stretched chain will increase the wear on your bike’s cassette and chainrings, and the bike won’t be able to shift as efficiently and smoothly as it once did. In addition, if you inspect your bicycle chain and notice a crack or strange deformity then it is time to replace.

How much does it cost to replace a chain?

Worn chains do not mesh well with cassette and chainring cogs and as a result you may experience gear "slippage". The worn pins are more liable to snap under pedalling pressure and lastly, a stretched chain eventually wears out your cassette and potentially your chainrings as well. A $30 chain replacement could become a $150 disaster!

How do you fix a bike chain?

Every link in the chain is held together by a peg or steel pin. The pins are pushed in and out with a chain tool or hammers and pliers in fixing chains. This method allows you to attach and remove links easily. For bikes with derailleurs, the chains come with extra links. This allows you to remove a few of these links when fixing chains.

Can you fix a broken chain with a Chain Breaker?

If you have a chain breaker tool, also called a chain tool, then fixing a broken bicycle chain is easy. You can do most routine maintenance by yourself, however, you should know that after a chain breaks it's best to get a new chain shortly after making repairs.

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Are bike chains repairable?

A broken bicycle chain will render your bike useless but can be repaired on the road, at least sufficiently to allow you to ride home. You will need a bicycle chain-tool which comes as part of most multi-tools, as well as a spare quick-link.

How much does a chain replacement cost?

A mechanic can replace a timing chain for between $1,600 and $1,800, or you can do it yourself for between $600 and $800. Due to how hard it is to replace this part, the price is high.

How much does it cost to put a chain back together?

A regular chain in flash plating will be about $80, but a thick, 20″ or more Cuban chain may run upwards of $200 or more. Replacement: Sometimes the original chain is just really no good. In that case, the jeweler will just find an existing chain of the same dimensions and pattern and reassemble the necklace.

How much does it cost to clean a bike chain?

You will get a feel for when this is needed, if the chain feels gritty after applying the dry lube its time for a decent clean. If the trails are wet, switch to wet lube and do a full clean more often. Balance this with the cost of a chain - $30 should get one for your bike.

Is it hard to replace timing chain?

Changing a timing chain is not outright difficult but is considered a complex job due to the large number of steps involved. If you can handle tasks like replacing tie rod ends and bleeding brakes, then odds are this is your next step.

Is timing chain worth fixing?

There's no reason to alter the timing chain unless it's damaged, strained, or otherwise affected. If there is a problem with the timing chain, your car will most likely have one or more issues.

How much is a new chain for a bike?

A bike chain costs anywhere from $10 to $90 depending on the brand, quality, and type of bike you're buying it for. Basic, cheaper bikes that need a simple chain will be closer to $10. Higher quality chains that are durable and made for top notch road bikes will cost $60 to $90.

How do you fix a broken bike chain?

0:277:42How to Fix a Broken Bicycle Chain - YouTubeYouTubeStart of suggested clipEnd of suggested clipItself. Once you've found the tight link simply grasp the chain with the tight link in between yourMoreItself. Once you've found the tight link simply grasp the chain with the tight link in between your hands and flex the chain. Laterally. This will open up the plates. And resolve the tight.

How often should a bicycle chain be replaced?

about every 2,000 to 3,000 milesReplacing your chain regularly can prolong the life of your drivetrain. Most mechanics agree that you should replace your chain about every 2,000 to 3,000 miles, depending on your riding style. Many Tour De France riders wear out two or even three chains on their primary bike over the course of the three-week race.

How do I know if my bike chain is worn?

Measuring chain wear the free and easy way 2. Pull the chain at the front of the chainring as shown. If the chain starts to lift off the top and/or the bottom of where it sits on the chainring teeth, this means that the chain is starting to wear or is worn. If your chain lifts off the ring like this, it's likely worn.

Will a new bike chain make me faster?

It'll Make You Faster For the average rider, that accounts for about 4 percent of lost power. If you're only racing to the midride coffee stop, think of it this way: You'll finish the ride fresher, having exerted less energy, if you lube the chain.

How do you fix a rusty bike chain?

However, you might notice tough and stubborn rust left on the chain. You will be able to break this up using a WD-40 spray. Use the substance directly to the rusted part, let the chemical sit for a few minutes before wiping it out. Then, you can now wipe the chain again, and apply more force to the rusted area.

How much should a timing chain replacement cost?

Timing chain replacement can cost between $600 and $800 for a DIY repair, or between $1,600 and $1,800 with a mechanic. The cost is high due to the complicated nature of replacing this part. If you want to DIY a timing chain replacement, the parts will cost around $650.

How often should a timing chain be replaced?

between 80,000 and 120,000 milesWhen does a timing chain need to be replaced? The timing chain normally needs to be replaced between 80,000 and 120,000 miles unless there is a specific problem. Issues with the chain are common in higher mileage vehicles.

How much does it cost to fix a broken timing chain?

The Average Cost to Replace a Timing Chain Is $659 to $1,867 Depending on if You Go to the Mechanic or DIY.

Why would a timing chain need to be replaced?

If you don't replace the timing chain and it happens to break, then the engine can completely destroyed. Most engines today are “interference engines,” which means that the engine's valves move in and out of the same cylinder space as the pistons.

Why does my bike chain keep falling off?

In most instances, when it comes to how to fix bike chain that keeps falling off, it is due to an issue with the adjustment of the drivetrain compo...

How do you fix a chain that keeps slipping?

The answer to this question will depend on why the chain is slipping in the first place. If you follow the steps above, then you’ll soon find a sol...

Why does my chain keep getting loose?

There are several reasons why a bike chain keeps getting loose. The most common reasons include stretched chains, wrong size chains, incompatible d...

What happens if a bike chain is loose?

A loose chain can easily skip over the tooth of sprockets of your bike. This would eventually lead to skipping over of teeth causing uneven transmi...

Is riding with a loose chain bad?

Riding a bike with a loose chain is very risky. Irrespective of how carefully and slowly you ride the bike. A bike with a loose chain poses a high...

How to use a chain pin?

Using a chain pin: If your chain does not have a master link, use a chain tool to reconnect the chain with the chain pin included with your new chain. If you are repairing an existing chain, always use a new chain pin rather than reusing an existing pin. Your new pin should be compatible with your chain speed and brand.

What to do if your chain doesn't have a master link?

Using a chain pin: If your chain does not have a master link, use a chain tool to reconnect the chain with the chain pin included with your new chain.

What is a master link chain?

Replacement Pin or Master Link: New chains will come with either a new pin, or a specialized link called a master link, to connect the two ends of the chain together. If you are repairing an existing chain, you can buy replacement pins or master links separately—they should be compatible with your chain speed and brand.

How to use master link pliers?

Use master link pliers to squeeze the master link pins toward each other, so you can then pop the link open.

How to remove tension from chain?

If you have a standard chain with no master link: Seat the chain in the chain tool, with the pin of the chain tool aligned with a pin in the chain. Turn the handle of the chain tool until you push the pin out far enough that you can break the chain.

Why is my chain rusty?

If you live near the beach where sand can get into your drivetrain or if you live in a wet environment where rain routinely flushes away your chain lube, making your chain rusty, keep a closer eye on the condition of your chain. Both can cause your chain to wear out faster.

How to check if bike chain is stretched?

How to Check a Bike Chain. To check your chain for excessive stretch, use a chain wear tool. Hook one end over one roller (or pin) in your chain. The other end will either come to rest on top of the chain or you will be able to insert it in the opening between two rollers. If it drops between the rollers, it means your chain is stretched ...

How many miles does a mountain bike chain wear?

On a mountain bike, dust, mud, water, and higher torque can accelerate wear, so about 500-1,000 miles is more realistic. When in doubt, check your chain wear. Most bike tool companies offer chain-checker tools. Or, if you’re handy with a ruler, you can measure your chain to roughly gauge its wear.

How much does it cost to replace a rear tire?

Estimated replacement cost: $50 per tire.

How often should I replace caliper brakes?

Similar to shifting, if you have cable-actuated caliper brakes, the cables and housing will get gunked up and need replacement. Sometimes that’s once per year, sometimes less often if you’re in a dry climate.

How much does it cost to replace a Shimano SPD cleat?

Unfortunately, since these cleats are brass, they wear much faster than steel cleats, like Shimano SPD. Estimated replacement cost: $10-20 per pair of cleats.

How to extend tire life?

Tech Tip: If you want to extend your tires’ life and you have the same tread/width front and rear, rotate your rear to front and vice-versa. The rear tire wears quicker than the front, so this will even out the wear and prolong overall life.

Is it easier to replace a cable or housing?

If that’s the case, it might be easier to replace but will require more housing than is externally visible. The cables and housing might smoothly run through a tube in the frame that guides the housing in and out, which makes replacement a breeze.

Is it bad to have routine maintenance on a bike?

It can be time-consuming, difficult, and expensive. However, routine maintenance is really not that bad. The key is to plan ahead and know what to expect so your bike doesn’t end up neglected. Whether they are an old pro or a newcomer to cycling, nearly everyone has a budget when they set out to buy a bike.

What to do if your chain breaks?

Add a new link as soon as possible to return your chain to its normal length. If your chain breaks, you can remove the broken link and reattach the chain for a temporary fix. However, the shorter chain won't be able to fit around all of your gears, severely limiting your range.

How to put a broken chain back together?

Pull the broken link off the pin and discard it. Remove the broken link while keeping the pin in the chain. This pin will attach to the open link on the other side of the chain to put everything back together.

How to get a broken pin out of a chain?

Use a chain breaker tool to carefully push the pin halfway out of the broken link. This tool, resembling a medieval torture device, is actually easy to use. Each link of the chain has 2 round pins in it which attach it to the other links. Find the broken link and note the pin that is keeping it attached to the rest of the chain. Slowly turn your chain breaker tool so the poker pushes the pin out of the link about halfway. Do not push it completely through.

What does it mean when a bike chain breaks?

Know that, in the end, a broken chain usually means you need a brand new one. While you can fix the chain in a variety of ways, as noted, a broken chain usually needs a replacement. Beyond breaking, old chains expand as the pins inside wear down. This might not sound like much in theory, but it matters when riding. The chain handles and transfers all of the force from your feet to the wheels, and a loose chain means you're doing a lot more work for a lot less speed.

What are the pins on a bike chain?

Pins in the chain are specific to the number of speeds your cassette has. Ask at your local bike shop if you have any questions about this.

How to prevent chain binding?

Loosen up the connection to prevent binding. Grab the chain on each side of your newly connected links and move it from side to side to loosen up the new connection. It can also help to move the chain tool to the other side of the joint just made, and push the pin very slightly to free the 2 outside plates of the link from the central section, preventing binding.

How many holes do you need to put a chain in?

Fit the 2 ends of the chain into one another so the holes line up. The link with the pin in it should be on the outside so that you can push it through all 4 holes (2 on each link) to complete your chain.

What tool to use to remove bike chain?

For most kinds of chain issues, a chain tool is important to remove and add links. This is a specific bike tool that you can use when your bike chain keeps coming off. Pliers and hammers can also be used for this but the chain tool makes the process easier.

How to get slack on bike chain?

Once the bike is positioned in a steady and secure place, to get slack on the chain, move the arm of the rear derailleur towards the handlebars and slide the chain back on the right gear with the other hand. With your fingers, you can drape the bike chain on the right gear and move the other end of the chain to the front side of the front gear.

How Does a Chain Work?

Bike chains are roller chains that help propel power from pedals to the drive wheel. They comprise multiple pairs of outer and inner plates and are usually made from steel or carbon. However, some chains are also coated with nickel to help prevent rust or improve the chain’s aesthetic appeal.

Why does my bike chain keep falling off?

There are several reasons why a bike chain keeps falling off. These reasons range from loose chains, too long chains, worn-out chain parts, inaccurate lower or front derailleur, etc. To fix it when your chain keeps coming off bike, it is important to know what is causing the chain to fall off.

What is the main transmission on a bike?

The drivetrain is the bike’s main transmission. Drivetrains are responsible for the movement of the back wheel. The drivetrain consists of chain rings, a rear derailleur, a cassette, and the chain. It wears out over time, making the chin fall as it accumulates grime, dirt and grit.

When to clean derailleur and chain rings?

Grime on the derailleur and chain rings should be wiped as soon as they are spotted. Chain cleaners can be used if the grime on the chains is heavier.

Can a loose chain cause a bike to go over the teeth?

A loose chain can easily skip over the tooth of sprockets of your bike. This would eventually lead to skipping over of teeth causing uneven transmission in the mechanical system of the bike. The notable implication of this is that there would be an uneven oscillation during movement when riding the bike.

How to adjust derailleur on bike?

Put your bike in park and manually pedal forward using your hand or foot until the derailleur has been adjusted down into the smallest cog. You’ll want to double-check the shifter at this point. Press the shifter once to see if the chain moves up a gear. If nothing happens, you need more tension.

Why does my bike chain stretch?

When your bike chain skips between gears while you’re riding, or shifts twice instead of once when you try to change gears, the most common culprit is a loose cable. Your bike cables naturally stretch over time. Most stretching happens within the first few rides after you install a new cable, but older cables stretch too far. That’s when the trouble begins.

How to fix a skipping chain?

Common Fixes for Skipping Chains. The most typical recommendation for fixing a skipping chain is to add tension to the rear derailleur. However, there may be times when you have to either shorten the chain by removing a link or swapping out the shifter cable altogether. It’s also possible that the cable is too tight.

How to adjust bike cable tension?

Manually adjust the cable as needed. You will physically see the point where the cable exits the derailleur. There will be a tightening mechanism at the exit point ( it probably looks like a bolt). Loosen it and pull the cable out to add more tension, or push it in a little bit to offer more slack. Adjust the tension as needed until your bike can successfully change gears without skipping.

What to do if you can't shift without skipping?

If you still can’t shift without skipping, visually inspect the cable. If there is too much slack, you may need to add tension. On the other hand, if it’s too tight, you could need to remove some tension. Your cable is kind of like Goldilocks.

Where is the barrel adjuster on a derailleur?

Not sure where to find it? The barrel adjuster is a small part situated on the backside of your derailleur. Your cable passes through it on the way to the gear shifter.

Do you have to be a mechanic to skip a bike chain?

The good news is that even though a skipping bike chain is annoying, you don’t have to be a mechanic or even a seasoned cyclist to make it right. Here are some tips for what to do when your bike chain skips:

Why is it important to keep your bike chain clean?

Perhaps motivation to keep your bike clean is the money you will save in reducing the frequency of replacing drivetrain parts!

How to measure chain for stretch?

Finally, there is an easy way to measure your chain for stretch that can be accomplished with a metal ruler with imperial or metric markings: Place the ruler's zero mark at the centre of a chain pin, now count 12 complete links. On a new chain the 12" ruler mark should line up precisely with the centre of the chain rivet at this point.

What is chain stretch?

Chain stretch: Knowing when to get a new chain. Checking your chain for wear is a much neglected part of regular bicycle maintenance. In fact, many people are unaware that a bicycle chain is a consumable part just like tires or brake pads.

Where to place ruler on chain pin?

Place the ruler's zero mark at the centre of a chain pin, now count 12 complete links. On a new chain the 12" ruler mark should line up precisely with the centre of the chain rivet at this point.

Can you ride a worn out chain on a bike?

The reality is that on a cheaper bike you could ride a worn-out, stretched chain for years and not even know it. I've seen some shockers in my time in the bike shop that simply were not economical to repair. It is a different story on a more expensive performance bike, where efficient running requires the smooth meshing of chain and cogs. When you ride a finely-tuned bike you become accustomed to it humming along without clicking, clanking or creating various metallic rubbing sounds.

Can a worn chainring wear out a cassette?

Worn chains do not mesh well with cassette and chainring cogs and as a result you may experience gear "slippage". The worn pins are more liable to snap under pedalling pressure and lastly, a stretched chain eventually wears out your cassette and potentially your chainrings as well. A $30 chain replacement could become a $150 disaster! (This is a minimum.... If you ride Shimano Dura Ace, SRAM Red or Campagnolo Record you could double or triple that figure.)

What to do if your bike chain isn't tight?

If you think that the chain tension on the multi-gear bike isn't as tight as it should be, the best thing you can do is stop riding it. Either take it to a reliable bike shop or have a go at fixing the bike chain yourself.

How far does a bike chain move?

Move the bike chain in both directions, and you should find that it moves about half an inch in either direction. I'd also recommend that you spin the rear tire to check that it's moving as it should.

What happens when you pull a bike tire back?

What you will notice is that when the tire is pulled back, the tension on the bike chain will change. Should you move it too far in one direction , it signifies that there isn't sufficient tightness. You need to push it more on the tire. If you've got too far and it's too tight, you will know about it.

Why does my bike chain jump around?

There are several reasons for this. The most common one is that it's a new chain on an old bike. A new chain won't fit an old bike perfectly. The parts of an old bike will be worn, so it's not a great fit. This can cause the bike chain to jump around and eventually come loose.

How to increase the tension on a bike chain?

You need to slide the rear axle in the direction of the rear dropouts. This is what will increase the tension on the bike chain.

Why are multi gear bikes different from single gear bikes?

This is different than on a single-gear bike because multi-gear bikes have brakes.

Why do bike parts wear?

Bike parts wear with use. It can't be helped and over time, they won't fit as they should and inevitably come loose. When it's an old chain, the best thing you can do is get a new one, rather than trying to tighten it. Another reason is that axle nuts can become loose on the rear axle.

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