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Questions and answers about sports

Do I need a new chainring?

5 min read

Asked by: Jessica Sanders

Rough/noisy running is the best way to tell if a chainring needs replacing,” says Chris Mckenney of SRAM. “Unless a chainring is well beyond its service life it is very difficult to see this visually; chainring teeth slowly take on the shape of a shark’s fin in use.

How often do chainrings need to be replaced?

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.

Do you need a new chain with a new chainring?

We always recommend a new chain with new chainrings. The chain and the chainrings work together — and wear together.

Does chainring make a difference?

The larger chainring gives you bigger, harder to turn gears that move you further per pedal revolution – so it’s suitable for higher speeds – while the smaller chainring gives you gears that are easier to turn but move you a shorter distance per pedal revolution – so it’s suitable for lower speeds, including riding

How much does it cost to replace a chainring?

The cost to replace a cassette or freewheel can range anywhere from $25 to upwards of $300 on high end bikes and chainrings can run anywhere from around $40 to $250 on high end bikes.

How long will a chainring last?

A road bike chainring can last in excess of 50,000 miles. That’s equivalent to them lasting a lifetime for the majority of cyclists. The main reason a chainring would require replacement any more frequently than this is poor drivetrain maintenance, such as replacing the chain too infrequently.

Can I replace chainring without removing crank?

Condensed Answer: If the big chainring attaches to the drive-side crank via bolts, it’s possible to replace it without removing the cranks. If the chainring is permanently attached to the cranks via rivets, it’s not possible to get it off without removing the cranks.

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.

Why does my crank click?

There are multiple components that can contribute to a clicking or grinding sound in your drive train in addition to the bottom bracket, including the chain, the pedals, the derailleur and the rear hub. That said, the symptoms you describe seem to indicate a problem with the pedal bearings or the bottom bracket.

What information is needed to replace a chainring?

What You’ll Need:

  • Hex wrench set or Torx wrench set, depending on chainring bolt style.
  • Nut wrench tool, depending on chainring bolt style.
  • Threadlocker, like Loctite.
  • Bike grease.
  • New chainring.
  • Torque tool, preferably, to properly tighten chainring bolts and crank bolt.

Is 32T chainring good?

In general, stock 32t and 42t chainring sizes are good, but I think many riders will enjoy riding more with a smaller ring. Don’t be swayed by macho racers pushing pie plate-sized rings. It may require some experimentation.

How much difference does 2 teeth on chainring make?

In this size range two teeth in the front is about the same as one tooth in the back. It’s a very small change but sometimes it’s just that small difference that tips the scale in your favour.

Is a bigger front chainring faster?

Bigger chainrings and cassette cogs run more efficiently than smaller ones but extreme cross-chaining can cancel out those efficiency gains.

How do you know if you need a new 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.

How long should a crankset last?

As long as crank arms are checked regularly for tightness they should last for years and years. I have vintage Sugino Aero Tour (AT) crank arms that I have used for over twenty-five years without any wear to the square tapers. I’ve installed and worn out four or five chain ring sets using the same crank arms.

Should you change chain and cassette together?

How do I know if my chainring needs to be replaced? What …

How do I know if my cassette is worn out?

Quote from video: There's certain things that you should look for on your cassette whenever you're doing normal maintenance to help you know when to replace it. Let's take a look at some of the things you look for when

How often should I change my cassette?

At our shop, we suggest a new cassette every 2 times you replace your chain, IF you stay on top of your maintenance schedule. With 99% of customers this would mean a new cassette every 1-2 years depending on how much you ride it. If you are a commuter and ride everyday, your timeframe for replacement gets much smaller.

How long should a bike cassette last?

Very Roughly: bike cassette can last between 4000 to 6000 miles, and some can last up to 10,000 miles, an equivalent of 3 to 4 chains, it depends on the quality of the cassette itself, maintenance, and riding conditions.

When should I replace my 11 speed chain?

If you are using an eleven or twelve speed chain, replace your chain once it has reached 0.5 percent wear. For two-sprocket or single speed bikes, replace your chain as it reaches the 1 percent wear mark.

How many miles should an 11 speed chain last?

Most mechanics agree that you should replace your chain about every 2,000 to 3,000 miles, depending on your riding style.

How long should an 11 speed chain last?

“It can vary between 3,000km to 8,000km generally speaking, but it could be less or even more in some cases.” First, you need to replace your chain when you spot any damage (a deformation or crack). You should also check your chain regularly to see if it has worn to the point that you need to change it.