Questions tagged [chain]

Repairing, maintaining, or replacing the chain on your bike that connects the front of the drivetrain (cranks, chainrings) to the back (cogs, cassette).

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Chain clanking whenever I start to pedal

This issue started a few days ago and I'm not sure what is causing it. Anywhere from 5-30 seconds after starting off, I can hear a loud clanking sound coming from the drivetrain, and sometimes there ...
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4 votes
1 answer
1k views

New bike is making rattling noise

Brand new specialized rockhopper 2022 is making rattling noise. Sample: Is this normal or could it be a manufacturing defect?
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1 vote
1 answer
118 views

Chain protector?

What is this complete bicycle chain guard or chain protector in the photo? It has a 3 mpb printed on it. Who makes or sells it? From How does a chain get filthy and how can you stop it from getting ...
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3 votes
2 answers
135 views

Replaced chain and cassette, now new chain slips in a specific gear

I ride a cargo bike (Yuba Spicy Curry) with electric assist that uses an extra-long chain, I believe two spliced together. Not an e-bike specific question, though. 8-speed cassette, one big single ...
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  • 131
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0 answers
16 views

Right length for replacement chain [duplicate]

I have to replace a chain for a 3x7 speed old Shimano STX. I saw chains typically come in 114, 116, 118 links. How can I tell the right length for me?
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3 votes
1 answer
273 views

"Wide" instead of "narrow" singlespeed chain

I replaced a 18T sprocket of a bike with a Shimano Alfine 11 internal gearhub with a 22T sprocket (G-7C20 SPROCKET WHEEL 22T). Hence, I need a longer chain. I bought a KMC singlespeed "wide" ...
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  • 1,254
1 vote
1 answer
51 views

Replacement chain for old Shimano 3x7 STX

I have an old Raleigh MT-200 (which I love as if it were the Old Faithful), with a Shimano STX set.. As per the chain checker tool, I need a replacement chain. I found mostly that Shimano CN-HG40 may ...
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2 votes
2 answers
77 views

Chain dropping between chainrings when shifting down

I have a power2max NGeco 110mm spider with SRAM 50/34 chainrings mounted on it. I'm using an 11sp chain and an R8050 Di2 front derailleur. When changing from the big ring down to the small ring, the ...
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  • 2,729
2 votes
2 answers
90 views

Is it normal that my front derauiller and chain rub when I take my bike off my trainer?

I have a direct drive trainer and the directions say when taking the bike on and off the bike to take shift the bike into the hardest gearing (cross chaining even). This is the smallest cog in the ...
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  • 177
1 vote
0 answers
71 views

Chain creaks under pressure

Just adjusted my back derailleur and now the chain makes a loud creaking noise while under pressure. When on a repair stand the shifting is perfect but while biking it’s horrible and the sound & ...
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1 vote
1 answer
89 views

Chain pops up while backpedaling in highest gear

Backpedaling on highest gear (11t) causes chain to pop up/out off at the front top part of the smallest cog. The bike and all components are very new and stock. This is a 1-by Shimano GRX Drivetrain. ...
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0 votes
1 answer
50 views

New(ish) bike chain slack when backpedalling or cruising

I bought a bike from Target a week ago (Yes, I get it, cheap department store bikes are terrible). It's been working okay until I tried using it again today after a 3 day break. In that time period, ...
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  • 103
2 votes
1 answer
56 views

Chain touches frame after re-installing crank

I'm restoring a vintage road bike. I had to strip the whole bike so I could get the paint off to re-spray so now I'm trying to put it all back together! I was lining up the new-old front derailleur ...
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  • 115
3 votes
2 answers
208 views

What is the maximum force that an average bicycle chain sprocket can withstand?

I want to use bicycle chain sprockets for a non-bicycle related project and I'm trying to figure out what is the maximum torque I can apply. I did a quick calculation taking a real life example - I ...
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0 votes
1 answer
66 views

Can I use a campy (Campagnolo) 11 speed chain on a Sram Force 22 drivetrain?

After reading this article about “finding the best bicycle chain”. The article goes through factors like chain endurance and power transfer efficiency. After reading the article I see that the ...
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  • 103
10 votes
2 answers
582 views

What mechanical effect causes the requirement to replace 11 speed chains at 0.5% wear rather than 0.75%?

As far as I understand, the difference between 10 and 11 speed chains is in the thickness of the plates. The length and the inner width of each link remain the same. This in turn means the size/...
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2 votes
1 answer
134 views

Why are there multiple chain whip styles when cogs can take out-of-plane forces?

Chain whips on the market can be classified into ones: suitable for 1/8"-wide (fixed-gear) chains, such as Park Tool SR-18.2, suitable for 7, 8, 9, 10, 11?, 12? sprockets, suitable for 7-11 ...
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  • 4,049
14 votes
4 answers
3k views

What caused all my chain links to become stiff after a month in a tent despite having been cleaned and lubed beforehand?

I've left my winter road bike outside in a bike tent for about a month (winter, UK). I noticed that pretty much all links are stiff and the chain is slightly rusted, making it impossible to use. Some ...
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2 votes
2 answers
180 views

Annoying chain skip on Shimano Claris 8-speed

I have been experiencing significant chain skip on gears 11-13 (chain on large front cassette) on a Specialized Allez which is only 4 months old. Regarding specs they are CRANKSET: Shimano Claris ...
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0 votes
1 answer
88 views

Vibration feel on pedals

For a while, I am having a vibration feeling (and actually it vibrates) through my feet from chain. It is not because of front derailleur, I have just aligned them. There are no problems with rear ...
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-1 votes
1 answer
101 views

Not a Question, a solution to slight skip on chain

This is a very small fix for a very few bikes on the road... I was looking online for a solution to the very slight skipping when pedalling my S S Marin Muirwoods 1996 Road conversion. Obviously, it's ...
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13 votes
6 answers
2k views

Best drivechain for beach, seaside, coastal, winter, generally salty environment?

I live by the beach. Although I guess this is a similar problem to those who ride on salt-laden winter roads... It does take a while but, as evidenced by the endless bikes abandoned around the ...
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  • 395
11 votes
4 answers
3k views

After I lubricate my chain, I hear a gritty, sandy crunching sound coming from the chain and chainring. What am I doing wrong?

I tend to lubricate my chain about every 150-200 miles based on the conventional wisdom and general guidance I've read and heard. I have been using Rock N Roll Gold lube for some time, as it's been ...
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4 votes
5 answers
789 views

Chain is jumping regularly on every cog at every speed?

I have a new chain on a used bike that has been working perfectly for 500km and the chain has started jumping a cog on every different speed. It definitely feels like a cog and chain slipping, the ...
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4 votes
1 answer
253 views

Partial chainsuck on new bike

My partner has got a brand new bike and while pedalling under load it makes a loud "clunk" noise, as if changing gears but without a corresponding gear shift. After some investigation I ...
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  • 143
4 votes
1 answer
129 views

105 11-speed Crankset & Brake Caliper Compatibility w/ 2400 Claris Groupset

I have a 2016 Bianchi Via Nirone 7 with a 2400 2x8 Claris groupset. A buddy of mine is "upgrading" in stages and is letting go of his 105 components at a VERY reasonable price. Great timing ...
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3 votes
2 answers
123 views

Is there any reason why a two-pronged same-side-of-roller chain checker tool wouldn't work?

I always saw two-prongs-from-a-bar and three-prongs-from-a-bar chain checker tools and thought that they're used the same way. It turns out that the former measures from opposite sides of rollers, ...
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  • 4,049
4 votes
6 answers
687 views

How can I shorten a new chain to a specific length if not all links are either master links or have a removable pin?

I am confused about whether chains come in two kinds (1. push-the-pin, 2. master link), or just one kind. Specifically, I'm confused about the following. Can any chain be broken at an arbitrary pin? (...
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  • 4,049
5 votes
2 answers
291 views

How many links must a bike chain tool measure to be reliable?

Among tools made by reputable brands, I'd assume that a tool that measures 14 or 15 links (7 to 7.5 inches) would be superior to one that measure 7 or 8 links (3.5 to 4 inches) since the tolerance ...
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  • 4,049
0 votes
0 answers
85 views

can't stop pedaling or chain drops down

Managed to unstick derailer. But can't stop pedaling or chain drops down.So when trying to stop bike. have to take feet off pedal to not catch chain
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3 votes
2 answers
105 views

Bicycle chain wear indicator

I have changed one chain already. This photo is the second chain. This is wear indicator. I’m using a 9 speed system and the chain don’t bite well with cassette sometimes when changing to large cog. ...
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16 votes
4 answers
5k views

New to Bikes: My chain fell off and I put it back on. How can I know if it's on the right cog?

I am new to bikes not ridden one since I was 11 I am now 63! I have a mountain bike and never used gears before they are mind boggling. I went out and rode it no problem but trying gear changes I don'...
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  • 163
2 votes
2 answers
86 views

Changing chains

I have a 60 year old bike that is eight speed (2 chainrings, 4 cogs in the back). The smallest gear on freewheel is worn out, visibly hooked. I've found a replacement freewheel. I don't have ...
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  • 490
4 votes
1 answer
866 views

Why does my chain make grinding noise and vibration when I put my bike on my Wahoo Kickr?

I ride a Cannondale Topstone outside during the warmer months and then on a Wahoo Kickr when it gets cold. When I put the bike on the trainer I get a grinding noise and vibration when in some gears. ...
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6 votes
4 answers
2k views

Can I reuse chain link pins after removing links from shortening chain

I am trying to make my current chain shorter, and I am wondering how I can do that. The chain is new and it is a shimano 11 speed, but I had already installed it with the quicklink (quick link is now ...
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0 votes
1 answer
107 views

Quick link means I can't get the exact chain length I need

RE:11 speed chain Hi, probably being silly here, but my new quick link chain has two more links than my original. I've removed one but for the quick link to work/fit I'll have to remove two more, so ...
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7 votes
2 answers
1k views

Will a 7-speed chain work on a 2x10 speed drivetrain?

Need a new chain for a bike I'm repairing, bike is a 2x10 speed road bike, and I have a spare KMC Z7 7-speed chain. According to KMC, Z7 size is 1/2" x 3/32" The old 10-speed chain is a KMC ...
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0 votes
2 answers
158 views

Is it possible to remove a front derailleur without removing my chain and without the use of heavy equipment?

So I recently bought a used bike from a person and I wanted to remove the front derailleur without taking off the chain, since I don't have a chain tool. I also do not have any equipment that could ...
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  • 203
0 votes
2 answers
97 views

I am thinking about changing my drivetrain to a 1xN. Do I need a new chain?

I am think about changing to a 1xN drivetrain, and I was wondering if I needed to change the chain as well.
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  • 203
3 votes
1 answer
449 views

How much to shorten chain when changing 36t to 28t chainring?

I have a bike with a 36t chain ring. I’m changing it to a 28t. That’s 8 teeth difference. The derailleur is a Deore M6000 GS. How much should I shorten the chain assuming the chain is currently the ...
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  • 203
0 votes
1 answer
84 views

Gear slipping on Cannondale Habit

I have a Habit ebike with 1,700 kms on it. I was having slippage on gears and my bike dealer fitted a new chain and new cable but now it is worse. When looking at the derailleur in the 2nd gear from ...
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3 votes
1 answer
126 views

Rear derailleur body rubs against chain when in highest gear

I have a Vitus bicycle with a Claris groupset. When I put the bike in the highest gear, the chain starts to touch a part of rear derailleur. I am still understanding how to fix my bike on my own. So ...
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3 votes
1 answer
95 views

How to adjust chain tension on a rohloff hub with semi-horizontal dropouts

Not sure my question makes sense, I do not know how to call these dropouts. And I do not know much about Rohloff hubs and chain tension requirements. My problem : my chain is too loose and fall off ...
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1 vote
3 answers
214 views

What is the lowest total cost way to lubricate a chain? [closed]

I know there are numerous different ways of lubricating a chain. Some prefer to remove the factory grease from a chain and lubricate it with a different lubricant immediately, others use the factory ...
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4 votes
3 answers
514 views

Should Tiagra 4700 use a 10s or 11s chain?

Considering that Tiagra 4700, which is a 10 speed groupset that uses 11s spacing (just missing one gear), would I be correct in assuming that it uses an 11 speed chain? Just picked up a partial Tiagra ...
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  • 10.5k
4 votes
2 answers
386 views

I want to covert my bike from a 7 to 9 speed. I have a Shimano 600 derailleur. Will this work or what would you advise as affordable upgrade?

I want to covert my 7 speed to 9. Currently I have a Shimano 600 derailleur. What parts do I need to make this work?
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  • 41
1 vote
1 answer
117 views

Rust on bike chain

I am having problems with rusting of my bike chain. After cleaning my chain, I use a Dry Lube PTFE spray. I looked at rust proof chains, but they are very expensive. Is there anything else I can do?
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  • 618
2 votes
0 answers
67 views

New hub slipping when powering up?

I recently had my Giant Propel SLR serviced (including new chain, Cassette and a new Hub) as gears were beginning to slip. However after the service when I climb into top / hardest gear and put the ...
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2 votes
1 answer
365 views

What is the maximum cassette teeth for my mt210 3x9 crankset (44/32/22)

I'm currently assembling a bike. I bought a Shimano mt210 3x9 (44/32/22) crankset. I'm wondering what maximum teeth cassette should I buy that will be suitable and compatible with this crankset? Also ...
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10 votes
2 answers
2k views

Chain popped out of derailleur and wrapped around itself - how? why?

During my ride yesterday, I've hit a really weird mechanical and would love to understand. So here's the situation - I'm riding along, start on a hill, stand up and push some power, suddenly hear ...
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