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.
What do I do if my bike chain falls off?
How do I keep my chain from falling off?
Why does my chain fell off when I change gears?
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.
How do you reconnect a bike chain?
Why does my bike chain fall off when I pedal backwards?
Stiff Link In Chain
Stiff links in a chain can cause it to fall off the chainwheel when pedaling backwards because they are not moving as smoothly as they should be. The chain mechanisms on a bike need to run like a well-oiled machine. The movement of the chain needs to be smooth and any stiff links can disrupt this.
How do you put a chain back on?
How do you reseat a bike chain?
How much does it cost to get a bike chain replaced?
How much does a bike chain cost to replace?
Entry level chains can start off around $15.00 with more expensive and higher performance chains ranging from $25.00 to $60.00 or more
. More expensive chains increase shift quality and are generally more durable as they wear.
How do you put a chain back on a derailleur?
How do you put a chain on a bike without a chain tool?
How do you link chain links?
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.
