Is my MTB chain too long?

First, see if your current chain is the correct length. Shift into the largest chainring and largest cog. … Then, if you shift into the smallest chainring and smallest cog and if the rear derailleur pulls the chain back so far that it comes in contact with itself, the chain is too long.

How do I know if my MTB chain is too long?

Do a simple check on your bike by shifting the chain to the big chainring and the biggest cassette cog; then, push on the end of the derailleur cage (pushing forward) to see how much it will move forward. If it moves just a little, then you’re good. If it moves a lot, then you’ve got too much chain.

What happens if bicycle chain is too long?

If the bike chain is too long it will cause problems when changing gears as you shift gears and the derailleur can’t pick up the extra chain length. As a result, the chain may keep slipping off. … Your front and rear derailleur are not properly aligned. The chainring, derailleur, or the chainring are damaged.

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Should I shorten my MTB chain?

You either deliberately run the chain long enough to handle your mistakes in shifting (for big/big) or you don’t. You should have better shifting theoretically with a shorter chain, but if you shift big/big by accident you do have a problem.

What length should my MTB chain be?

In order to make absolutely sure the chain is long enough, it should be put around the biggest chainring in the front, the biggest sprocket at the rear and then add one more inch, i.e. one link because of the derailleur (one link consists of a pair of outer and inner plates, as shown in the picture below – it is often …

How do I know if my chain is too loose?

Check the chain slack while the Chain Monkey is in place. If there is still slack present in the chain, your chain is too loose and you will need to adjust and align your wheel until the slack is removed.

How do I know if my chain is stretched?

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 long should my chain be?

After a measurement is obtained, its a good idea to opt for a necklace size that is at least the second size up from your neck size. For example, if you have an 18 inch neck, you should probably choose a chain length of 20 inches or more. An 18 inch chain would feel too tight.

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Do I need to shorten my bike chain?

You will probably have to remove a few links unless the chain was too short before. As long as there is minimal tension on the chain in the little/little combo, and the chain does not rub on the RD cage, then the chain does not need to be shorter.

Is it OK to shorten a chain?

Chains will also “stretch” over time, but do not shorten the chain to address this issue. Stretching is a sign of wear, and once your chain exceeds the recommended maximum on a chain stretch gauge, it needs a full replacement.

Can I shorten my chain by one link?

Unless using a special half link (as mentioned and linked to by Chris H) to shorten a chain you have to remove the same number of outer and inner plate links. The distance between the joining pins is 0.5 inch so joined chain are always a multiple of whole inches long.

Do all bike chains have a master link?

Not all bikes have these links. They are most likely to be found on BMX bikes, single speed bikes or three-speed town bikes with internal gears. The more sprockets a bicycle has on its rear cassette, the narrower the chain must be and therefore the less room there is for this extra-wide master link.

Do I need a longer chain for a bigger cassette?

You need a bit longer chain for a larger cassette. All things remaining the same, if your chain was the correct length before, adding the 34t gear increases the diameter of the low gear. That increases the total gear length, so you would have to have more chain to keep the adjustment correct.

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Can I use an 8 speed chain on a 7 speed cassette?

5, 6, 7 and 8 speed chains

7.1 mm wide 8 speed chain will fit all the other systems (5, 6 and 7 speed ones).