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Chain get stuck on front sprocket during pedalling
Clash Royale CLAN TAG#URR8PPP
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When pedalling the chain sometimes get stuck on the front sprocket. This happened after I cleaned the gears and replaced the chain. What could cause this?
The purple line is the chain. The circles are front and back sprockets.
You can see the chain in the bottom of the images following the sprocket back up during rotation.
chain gears
asked 2 hours ago
Oleander
1063
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Oleander is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |Â
up vote
1
down vote
favorite
When pedalling the chain sometimes get stuck on the front sprocket. This happened after I cleaned the gears and replaced the chain. What could cause this?
The purple line is the chain. The circles are front and back sprockets.
You can see the chain in the bottom of the images following the sprocket back up during rotation.
chain gears
asked 2 hours ago
Oleander
1063
New contributor
Oleander is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Chain and chainringwear are possible causes, but you installed a new chain and the rings don't appear to be badly worn (though the big ring is getting there). I'm wondering if you cut the new chain too long.
– Daniel R Hicks
1 hour ago
I've use the crankset for over 7000km so it's probably time to change it anyway. Would a longer chain cause it to get stuck like this? It's really stuck. I've to use quite a lot of force to get it off with my hands. I can't see any obvious hooks on the sprocket teeth, but I'll look more carefully tomorrow.
– Oleander
1 hour ago
I have seen cases where it was just one or two teeth that were the problem, and some work with a file fixed things up.
– Daniel R Hicks
1 hour ago
Further reading: 'chainsuck'
– Swifty
36 mins ago
add a comment |Â
up vote
1
down vote
favorite
up vote
1
down vote
favorite
When pedalling the chain sometimes get stuck on the front sprocket. This happened after I cleaned the gears and replaced the chain. What could cause this?
The purple line is the chain. The circles are front and back sprockets.
You can see the chain in the bottom of the images following the sprocket back up during rotation.
chain gears
asked 2 hours ago
Oleander
1063
New contributor
Oleander is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
When pedalling the chain sometimes get stuck on the front sprocket. This happened after I cleaned the gears and replaced the chain. What could cause this?
The purple line is the chain. The circles are front and back sprockets.
You can see the chain in the bottom of the images following the sprocket back up during rotation.
chain gears
chain gears
asked 2 hours ago
Oleander
1063
New contributor
Oleander is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 2 hours ago
Oleander
1063
New contributor
Oleander is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 2 hours ago
Oleander
1063
New contributor
Oleander is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 2 hours ago
Oleander
1063
asked 2 hours ago
Oleander
1063
1063
New contributor
Oleander is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
Oleander is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Oleander is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Chain and chainringwear are possible causes, but you installed a new chain and the rings don't appear to be badly worn (though the big ring is getting there). I'm wondering if you cut the new chain too long.
– Daniel R Hicks
1 hour ago
I've use the crankset for over 7000km so it's probably time to change it anyway. Would a longer chain cause it to get stuck like this? It's really stuck. I've to use quite a lot of force to get it off with my hands. I can't see any obvious hooks on the sprocket teeth, but I'll look more carefully tomorrow.
– Oleander
1 hour ago
I have seen cases where it was just one or two teeth that were the problem, and some work with a file fixed things up.
– Daniel R Hicks
1 hour ago
Further reading: 'chainsuck'
– Swifty
36 mins ago
add a comment |Â
Chain and chainringwear are possible causes, but you installed a new chain and the rings don't appear to be badly worn (though the big ring is getting there). I'm wondering if you cut the new chain too long.
– Daniel R Hicks
1 hour ago
I've use the crankset for over 7000km so it's probably time to change it anyway. Would a longer chain cause it to get stuck like this? It's really stuck. I've to use quite a lot of force to get it off with my hands. I can't see any obvious hooks on the sprocket teeth, but I'll look more carefully tomorrow.
– Oleander
1 hour ago
I have seen cases where it was just one or two teeth that were the problem, and some work with a file fixed things up.
– Daniel R Hicks
1 hour ago
Further reading: 'chainsuck'
– Swifty
36 mins ago
Chain and chainringwear are possible causes, but you installed a new chain and the rings don't appear to be badly worn (though the big ring is getting there). I'm wondering if you cut the new chain too long.
– Daniel R Hicks
1 hour ago
Chain and chainringwear are possible causes, but you installed a new chain and the rings don't appear to be badly worn (though the big ring is getting there). I'm wondering if you cut the new chain too long.
– Daniel R Hicks
1 hour ago
I've use the crankset for over 7000km so it's probably time to change it anyway. Would a longer chain cause it to get stuck like this? It's really stuck. I've to use quite a lot of force to get it off with my hands. I can't see any obvious hooks on the sprocket teeth, but I'll look more carefully tomorrow.
– Oleander
1 hour ago
I've use the crankset for over 7000km so it's probably time to change it anyway. Would a longer chain cause it to get stuck like this? It's really stuck. I've to use quite a lot of force to get it off with my hands. I can't see any obvious hooks on the sprocket teeth, but I'll look more carefully tomorrow.
– Oleander
1 hour ago
I have seen cases where it was just one or two teeth that were the problem, and some work with a file fixed things up.
– Daniel R Hicks
1 hour ago
I have seen cases where it was just one or two teeth that were the problem, and some work with a file fixed things up.
– Daniel R Hicks
1 hour ago
Further reading: 'chainsuck'
– Swifty
36 mins ago
Further reading: 'chainsuck'
– Swifty
36 mins ago
add a comment |Â
1 Answer
1
active
oldest
votes
up vote
4
down vote
One cause of this is chainring wear. The teeth become slightly hook shaped, which catches the chain rollers and pulls the links up around the chainring.
This will be exacerbated by introduction of a new chain. A worn chain gets slightly (in the order of 0.5 - 0.75%) elongated due to wear between the rivets and plates. The new chain, having slightly less distance between rollers is more prone to getting caught.
Look at you chainrings and look for signs of excessive wear, especially the one you use the most. Also look at the cassette sprockets, if you didn't change the cassette when you got a new chain.
answered 1 hour ago
Argenti Apparatus
26.6k23168
Thanks I'll take a look tomorrow morning! The cassette is only 1400km old.
– Oleander
1 hour ago
add a comment |Â
1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
up vote
4
down vote
One cause of this is chainring wear. The teeth become slightly hook shaped, which catches the chain rollers and pulls the links up around the chainring.
This will be exacerbated by introduction of a new chain. A worn chain gets slightly (in the order of 0.5 - 0.75%) elongated due to wear between the rivets and plates. The new chain, having slightly less distance between rollers is more prone to getting caught.
Look at you chainrings and look for signs of excessive wear, especially the one you use the most. Also look at the cassette sprockets, if you didn't change the cassette when you got a new chain.
answered 1 hour ago
Argenti Apparatus
26.6k23168
Thanks I'll take a look tomorrow morning! The cassette is only 1400km old.
– Oleander
1 hour ago
add a comment |Â
up vote
4
down vote
One cause of this is chainring wear. The teeth become slightly hook shaped, which catches the chain rollers and pulls the links up around the chainring.
This will be exacerbated by introduction of a new chain. A worn chain gets slightly (in the order of 0.5 - 0.75%) elongated due to wear between the rivets and plates. The new chain, having slightly less distance between rollers is more prone to getting caught.
Look at you chainrings and look for signs of excessive wear, especially the one you use the most. Also look at the cassette sprockets, if you didn't change the cassette when you got a new chain.
answered 1 hour ago
Argenti Apparatus
26.6k23168
Thanks I'll take a look tomorrow morning! The cassette is only 1400km old.
– Oleander
1 hour ago
add a comment |Â
up vote
4
down vote
up vote
4
down vote
One cause of this is chainring wear. The teeth become slightly hook shaped, which catches the chain rollers and pulls the links up around the chainring.
This will be exacerbated by introduction of a new chain. A worn chain gets slightly (in the order of 0.5 - 0.75%) elongated due to wear between the rivets and plates. The new chain, having slightly less distance between rollers is more prone to getting caught.
Look at you chainrings and look for signs of excessive wear, especially the one you use the most. Also look at the cassette sprockets, if you didn't change the cassette when you got a new chain.
answered 1 hour ago
Argenti Apparatus
26.6k23168
One cause of this is chainring wear. The teeth become slightly hook shaped, which catches the chain rollers and pulls the links up around the chainring.
This will be exacerbated by introduction of a new chain. A worn chain gets slightly (in the order of 0.5 - 0.75%) elongated due to wear between the rivets and plates. The new chain, having slightly less distance between rollers is more prone to getting caught.
Look at you chainrings and look for signs of excessive wear, especially the one you use the most. Also look at the cassette sprockets, if you didn't change the cassette when you got a new chain.
answered 1 hour ago
Argenti Apparatus
26.6k23168
answered 1 hour ago
Argenti Apparatus
26.6k23168
answered 1 hour ago
Argenti Apparatus
26.6k23168
answered 1 hour ago
Argenti Apparatus
26.6k23168
26.6k23168
Thanks I'll take a look tomorrow morning! The cassette is only 1400km old.
– Oleander
1 hour ago
add a comment |Â
Thanks I'll take a look tomorrow morning! The cassette is only 1400km old.
– Oleander
1 hour ago
Thanks I'll take a look tomorrow morning! The cassette is only 1400km old.
– Oleander
1 hour ago
Thanks I'll take a look tomorrow morning! The cassette is only 1400km old.
– Oleander
1 hour ago
add a comment |Â
Oleander is a new contributor. Be nice, and check out our Code of Conduct.
Oleander is a new contributor. Be nice, and check out our Code of Conduct.
Oleander is a new contributor. Be nice, and check out our Code of Conduct.
Oleander is a new contributor. Be nice, and check out our Code of Conduct.
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Chain and chainringwear are possible causes, but you installed a new chain and the rings don't appear to be badly worn (though the big ring is getting there). I'm wondering if you cut the new chain too long.
– Daniel R Hicks
1 hour ago
I've use the crankset for over 7000km so it's probably time to change it anyway. Would a longer chain cause it to get stuck like this? It's really stuck. I've to use quite a lot of force to get it off with my hands. I can't see any obvious hooks on the sprocket teeth, but I'll look more carefully tomorrow.
– Oleander
1 hour ago
I have seen cases where it was just one or two teeth that were the problem, and some work with a file fixed things up.
– Daniel R Hicks
1 hour ago
Further reading: 'chainsuck'
– Swifty
36 mins ago