Bike chains can lengthen due to age and use, or you may buy one that’s too long. With a few tools, a bike stand and a little time you can remove extra links, shorten the chain and make your bike rideable once again.
Can you remove links from a bike chain?
Each link of a chain is held together by a steel pin / peg. With the chain tool (or a hammer) you can push out and push in the pins, allowing you to remove or attach links. Fixing a broken chain amounts to removing the broken link and re-attaching the remaining ends.
What happens if my bike chain is too long?
A chain that’s too long (loose) may cause dropped chains and/or inconsistent shifting — front and back shifting. A chain that’s too short (tight) can cause even bigger problems. … BUT, things can go really bad … if it does shift and rips the derailleur off, damages the chain or bends gear teeth.
When should I shorten my bike chain?
Ideally, you want to shorten your replacement chain after threading it through the chainrings and cassette. This makes it easier to determine how long your chain needs to be. Before threading the chain, however, check whether there are signs of extreme wear on the chainrings and cassette on your bike.
Why does my bike 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. … To fix a skip in the rear derailleur, shift your chain into the smallest ring on your rear cassette (the hardest gear) and the middle or larger ring on your front derailleur.
How long should your bike 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, or one link because of the derailleur.
What happens if bike chain is loose?
When it’s loose, the rate of power transfer drops, and you aren’t able to propel the bike forward. A bike chain can fall off completely, but oftentimes it only becomes loose. If it isn’t too loose, you can keep cycling until your destination and then tighten it.
Do bike chains have a master link?
Replacement Pin or Master Link: New chains will come with either a new pin, or a specialized link called a master link, to connect the two ends of the chain together.
How do I know what bike chain to buy?
When selecting a chain, the first consideration is the number of rear sprockets. The rear cog sets have been made with 5, 6, 7, 8, 9, 10, 11, or 12 sprockets. As the number of cogs on the rear hub increases, the spacing between cogs tends to be reduced.