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Questions and answers about sports

Updating my vintage Shimano 600 chain rings

5 min read

Asked by: Adrian Dinielli

How do you change a Shimano chain ring?

Quote from video: You can do the last bit by hand putting the bolts safely to one side and once you've taken the last one off the chain rings should come away from the cranks.

Can I change my chain ring?

Yes, you can. This will make it suitable for diverse terrains and make pedaling easier. Putting a smaller chainring on your road bike isn’t a problem but you may have to change your crankset.

Can I change my chainring size?

Can I Change Chainring Size? Yes yeah can but you cannot just change your current chainring for something that does not work with your current setup. Meaning the new chainring you get for your bike needs to works with your current chainset. Your cranks will have a specific bolt layout or fitment spec.

How do you remove a Shimano chain ring?

Quote from video: And you can just undo the head. You can loosen it sufficiently. And then you can just hold the nut with your fingers to remove the unscrew the bolt.

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.

When should I replace my chain ring?

Quote from video: Start to become hooked. Like little shark's teeth. And that is a surefire sign that you need to replace the chain rings.

How long does a chainring last?

A mountain bike chainring will last between 1,500 miles up to 10,000 miles and above. A road bike chainring will typically last longer, often in excess of 50,000 miles provided the drivetrain is properly maintained.

What size chainring is best for climbing?

Mountain bike chainrings are available in smaller sizes all the way down to 26t, though I’d recommend most riders try a 30t or 28t first to experience how much easier it is to climb. For gravel bikes, I wouldn’t recommend going any smaller than 38t to maintain top-end speed on downhills.

Are bigger chainrings more efficient?

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

What does a larger chain ring do?

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

What does a larger chainring do?

The size of a chainring (often expressed in terms of the amount of teeth on it, e.g. a 53t ring) plays a direct role in your bike’s gearing, with bigger rings meaning a higher (harder to push) gear and smaller rings a lower (easier to push) gear.

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.

Are oval chainrings better?

Oval chainrings maximize the part of the stroke where power is produced and minimize resistance where it isn’t. As a direct consequence, Oval rings enhance a cyclist’s ability to spin with a smoother power delivery and feel much easier on legs while climbing. Meaning you will go faster and get less tired.

Are all chainrings compatible?

You can replace the chainrings on your crankset, but not all chainrings will fit all cranks. First, different cranksets may have a different number of arms or direct-mount interfaces (connecting the cranks to the chainrings), and they may be positioned differently.

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.

How do I remove a chainring centerlock?

Quote from video: Turn it around until the pilot listens off. You can then remove the remaining by hand. And then take your tool off take the cap off and then you can slide your chain ring out ready put on the new one.

How do you install new chainrings?

How to replace a bicycle chainring

  1. Step 1 – Remove the chainset. …
  2. Step 2 – Loosen the bolts. …
  3. Step 3 – Remove the rings. …
  4. Step 4 – Clean and grease the bolts. …
  5. Step 5 – Inspect the chainring. …
  6. Step 6 – Put it all back together.

How do you remove an old chainring?

Quote from video: Simply start by removing chain ring bolt. And often these bolts are a little bit stuck in there.

How do you tighten a chainring bolt without a tool?

Get a small piece of scotchbrite (the green washing up pads) and stuff it into the nut, hold it in there tight with your fingers and tighten the bolt.

How do you tighten Shimano chainring bolts?

Quote from video: It's called a chain ring nut wrench. So now by holding with the chain ring nut wrench from the other side i can use the torque wrench to tighten or loosen the nut.

How tight should chainring bolts be?

A Shimano “General Operations” manual states the tightening torque for road chainwheels is 12-14 N-m. For mountain bike chainwheels it’s upped to 14-16 N-m for large and middle ring and 16-17 N-m for the smallest ring of a triple.