Do Bicycle Gears Wear Out?

by | Last updated on January 24, 2024

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“Over time, as your wears and stretches, you'll notice your gear shifts become less precise and less fast,” says Shimano's Ben Hillsdon. “

A worn out chain will also wear out your cassette and chainring teeth

. The most important thing to change is the chain.

How often should a bike cassette be replaced?

As mentioned, you will want to replace your bike cassette

at least once every three years

, even if you are not riding super regularly. However, if you are riding your bike a high mileage each year, you will want to change the cassette each season.

How do you know if your bike gears are worn out?

How many miles does a bike chain last?

So, typically, a bike chain can last anywhere from

500 to 5,000 miles

, depending on the type of chain you buy and the number of miles you put on your bike. If you ride your bike very seldom, or only go on the occasional evening ride, your bike chain can last years with good maintenance.

How long should bike drivetrain last?


Good quality rear derailleur can last between 3 to 5 years, when unbranded or low-quality ones can last for 2 years

, no matter what the durability of the rear derailleur the jockey wheel will wear after time and it can be replaced very cheaply with new ones, on the other hand, front derailleur can last almost …

How long should a mountain bike cassette last?

A cassette, in most cases, can last for approximately

two to three chain replacements

if they are done at the right time.

How do I know if my chain is worn without the tool?

Another ballpark method for checking chain wear is by

measuring it with a ruler

. Pick a rivet and line it up at the zero mark. Count 24 more rivets and your last rivet should be at the 12′′ mark of your ruler. If it is off by more than 1/16′′ your chain is stretched to the point of replacement.

How often should you replace a mountain bike chain?

Even with regular maintenance & lubrication most bicycle chains need to replaced

about every 1500 miles

, however mountain bikes need bike chain replacement more often due to mud, dirt and other debris speeding up wear.

How do I know if my rear cassette needs replacing?

“The easiest way to determine if your cassette is worn out is to install a new chain.

If the chain skips under pedalling load

then it's time for a new cassette. Of course, do this test in such a way that a skipping chain will not injure the rider!

Should I replace cassette with chain?


Once the chain wear is approaching 1% “stretch”, it's usually time to replace the cassette as well

. Because the teeth on the cassette will have worn down to more or less match the chain wear, if a new chain is fitted to a worn cassette, it won't mesh properly and may jump or skip, especially when changing gear.

Why does my bike chain slip when I pedal hard?


The chain could be slipping due to natural weakening of the chain

. Over time, the chain will stretch out and a loose chain means more slipping when pedaling hard. The chain could also be slipping if your cogs are word down. The cogs/crank also wear over time and can leave the chain with not much to “grab” on to.

Should you lubricate a new bike chain?

Do I need to degrease and re-lube a new chain? The advice from most of the major chain manufacturers is that

the lubrication chains come with is ideal for riding and doesn't need to be removed

. Simply fit, ride and re-lube when necessary.

How often should you lubricate a bike chain?

On a dirt bike, we recommend cleaning and lubricating your chain after every ride. On a street bike, the chain should be lubricated

every 500-1000 miles

depending on your riding habits and riding environment. This will ensure peak performance and sustainability for your bike.

How many years does a bicycle last?

Originally Answered: How long do bikes usually last? Most bikes have the same lifespan as most cars, around the

15 to 25 year

mark.

When should I replace my drivetrain?

The drivetrain wears like any other part and if you ride regularly it will need replacing at some point. A full drivetrain replacement is a decent-sized job that is often required

after about 5000km of riding

but there are ways to extend the life of these parts.

How long will a road bike chain last?

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 long does a rear derailleur last?

3 Answers. Show activity on this post. Derailleurs will last

almost indefinitely

. The jockey wheels will wear out in time (tens of thousands of km) but the rest of the mechanism shouldn't see significant wear.

How many miles can you get out of a cassette?

Really look after your chain and you should easily see

3-4000 miles and well in excess of 10,000 miles per cassette

, don't forget to clean your cassette too. Dust and crud act like a grinding past which will wear your chain prematurely.

How long do XT chains last?

I use XTR chains and find I can normally get around

1,000 miles

out of one before it needs replacing, which is before it gets stretched far enough to start wearing out the rings and cassette.

How long does a bike chain and sprocket last?

It depends on the way you maintain it.

If the chain was cleaned and lubed properly for every 400–500 kms, it will last upto 32k kms

(it's my personal experience) and if the maintenance was too poor, the entire set along with both rear and front sprocket will wear off within 15k kms.

How do I know if I need a new bike chain?

Is my bike chain worn out?

Measuring chain wear the free and easy way

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.

How do I check my bike chain?

What is a bike cassette?

The cassette on your bicycle can be found on the rear wheel and is

a cluster of sprockets that are a part of the drivetrain

. They slide onto the freehub, the ratchet system that controls the drive of your bicycle when you pedal, and can have anything from 5 to 12 ‘speeds'.

How long should a 12 speed chain last?

There are many variables that affect how long a chain will last. It could last several months, or it could last much longer. A typical mountain bike chain will last

750 miles

of single track riding. It's not easy to gauge exactly how long a chain will last, but there are ways to prolong the life of the chain.

Juan Martinez
Author
Juan Martinez
Juan Martinez is a journalism professor and experienced writer. With a passion for communication and education, Juan has taught students from all over the world. He is an expert in language and writing, and has written for various blogs and magazines.