Chain

Do you automatically have to replace your chainrings once your chain reaches 1.0 chain wear?

Do you automatically have to replace your chainrings once your chain reaches 1.0 chain wear?
  • 2135
  • Warren Gaines

No! A thousand times no! A worn chainring engages to a new chain (and a worn chain too). A well-worn chain does not engage to a new chainring.

  1. When should I replace chainrings?
  2. How long does a chainring last?
  3. How do you check chainring wear?
  4. How do I know if my bike chain needs replacing?
  5. Why does my chain slip when I pedal hard?
  6. Why are SRAM cassettes so expensive?
  7. Can I change chainring size?
  8. How often should I lube my bike chain?
  9. Why does my chain keep falling off?
  10. When should I replace my SRAM 12 speed chain?

When should I replace chainrings?

Changing chainrings

If you notice the front shifting becomes less than optimal after replacing your chain (and assuming the front derailleur is tuned), then have a closer look at the teeth on the chainrings. When they become hooked and thin, it's time to replace.

How long does a chainring last?

A steady rider who stays on the big ring, keeps the drivetrain clean and doesn't let the chain get too long before replacing it, and started with good quality components can get 60,000+ miles out of a chain ring.

How do you check chainring wear?

"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 do I know if my bike chain needs replacing?

If you are using a chain designed for ten or fewer gears, replace your chain as it nears the 0.75 percent mark. 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.

Why does my chain slip when I pedal hard?

Most of the time, a skipping chain is caused by cable stretch. In the first half dozen rides on a new bike your shift cables stretch the most. They can also stretch over time as you ride. Hippley explains, “It takes cable tension to open a derailleur, which shifts your chain between gears.

Why are SRAM cassettes so expensive?

The SRAM cassettes are lighter because of the lack of spiders connecting the different cogs, and the smaller driver. That's why they are so expensive too. and at least the highest end stuff (like eagle, possibly some of the 11spd stuff) is machined from a single piece, and isn't an assembly component.

Can I change chainring size?

You can only change the chain in 2 tooth increments and almost always you can change a ring by 2 teeth and not need to change the chain length.

How often should I lube my bike chain?

If you are a frequent rider, using your bike several times throughout the week, your bicycle will benefit from a regular cleaning and lubrication of the drive chain. Bicycle Tutor recommends cleaning and lubricating your bike's drive chain at least once every month to maintain optimal performance and protection.

Why does my chain keep falling off?

It might be that the chain is worn, has a stiff or bent link, or has become clogged up with dirt. A visual inspection while turning the cranks should reveal if there's a problem here. The chainring, or a chainring tooth, could be bent. Again, a visual check will tell you what you need to know.

When should I replace my SRAM 12 speed chain?

Typically chains get replaced when they reach a 0.5 wear measurement, 0.75 being slightly too long with the former 11 speed drivetrains. With the Eagle chains I can never get any chain tools to even drop in at 0.5 whatsoever, this being months and nearly1000 km later with elevation gains of around 15000-20000 Meters.

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