Nederlands | English | Deutsch

Project Sports

Questions and answers about sports

Rear Cassette worn + needs replacing – what other components to replace?

5 min read

Asked by: Joe Carraway

Should you replace chain when replacing cassette?

You should change your chain at the same time as the cassette and/or chainset. “A worn chain on a new cassette or chainrings will only accelerate the wear,” says Chris McKenney.

How often should you replace your rear cassette?

My rule of thumb is to replace it at 75 per cent wear (as measured with a chain-wear indicator). If you stick with this guideline, your cassette and chainrings will last a lot longer. 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 cassette is worn?


Quote from video: Become greater and the roller is no longer sit down at the bottom of the groove but tend to roll up onto the top of the teeth wearing the teeth and deforming the tee.

When should I replace my bike chainring?

Once you’ve removed the bolts and put them to one side, remove the chainrings for cleaning or replace them with new ones. You can tell if a chainring needs replacing by the profile of the teeth – if they are pointed like shark’s fins, it needs replacing.

How long do Chainsets last?

Chains can last and last and last. I had one still in use at 7,500miles, but I looked after it to get it that far. Most folk seem to discard chains at about the 2,000 to 3,000miles mark. Perhaps your chain cleaning regime isn’t too good, as chainsets can seemingly last forever.

How many miles should a bike chain last?

2,000 to 3,000 miles

Replacing 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.

How long does a music cassette last?

30 years

That’s right, the cassette tapes of your youth have been slowly degrading over the last several decades and there’s nothing you can do to stop it – only prolong it. Because whether you like it or not, 30 years is the average life of a cassette tape.

How long should a chainring last?

In theory, a clean chainring/chain/cassette that sees no road grit and is lubricated constantly should last virtually indefinitely (for most intents and purposes). Also, changing your chain on time will save you many cassettes as well as chainrings. Just keep an eye on the chain’s wear and replace it when needed.

What is the difference between cogs and cassette?

Rear Gears (Cassette)



The gears on the rear wheel are called ‘cogs’ and when you put a few of them together in ascending size and attach them onto your back wheel, they are referred to as a ‘cassette’. Most bikes built in the last few years have between 8 and 11 cogs in the cassette.

How long does a Dura Ace cassette last?

Shimano Dura-Ace 9000 durability



Over more than 10,000 miles of riding, through wet, salt-covered Colorado winters, muddy Belgian springs, and hot summers, Dura-Ace proved admirably durable in most areas.

How long should an Ultegra cassette last?

If you change the chain before real wear, an Ultegra cassette should last at least 4 chains. My Campa Record cassette is on it’s 4the or even 5th chain witthout any problem (around 15.000km per Strava) The higher grade you go on cassette’s, generally, the faster the wear.

When should I replace my MTB cassette?

Quote from video: It will force and wear away the first indicator is when you've checked your chain if your chain is 75% to 100% worn. Then you're fairly certain there is going to be signs of wear on your cassette.

How much is a bike chain replacement?

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. More expensive chains increase shift quality and are generally more durable as they wear.

How long do MTB cassettes last?

How Long Does MTB Cassette Last? Usually, an MTB cassette lasts between 3 to 5 chain changes if it’s properly maintained and the chain is changed in time but if you change the chain long after the recommended percentage you may need to change the cassette after the second time you change the chain.

How do you clean a bicycle cassette chain?

Quote from video: And you simply work that degreaser in to the cassette. And agitate all that dirt a stubborn road grime. And try and get it all off as best you can.

How do you change a cassette on a bike?

Quote from video: With the whip in your left hand and the wrench in your right push down on both sides to loosen the lock ring. Once it's loose you can unscrew the lock ring carefully remove the old cassette.

When should I replace my cassette?

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.

Can you replace cogs on a cassette?

According to the late great Sheldon Brown, yes you can change an individual sprocket in a cassette, at least for Shimano. Some cassettes have small bolts or rivets holding the gears together, but this is for convenience.