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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10
votes
2answers
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 ...
3
votes
2answers
232 views

Do I have to change chain when swapping 11 speed casette to 9 speed?

I just got a wahoo kickr core and bought a 9 speed casette for it. Went for a ride on zwift and after a few gear changes, things started getting loud and ugly. Eventually, the chain slipped completely ...
6
votes
2answers
292 views

What are the long-term effect of riding with a chain that's too short?

I bought my bike late November 2017, and have been riding it with the same chain ever since. I've only done very light riding with the longest rides I've ever done amounting to 60km. Last week, I took ...
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1answer
77 views

Is the KMC X8 a better quality option for an 8 speeds chain?

I sell a lot of SRAM PC830 chains that I buy in bulk. The KMC X8 has, I think, nickel plated outer links. Other than that, it claims to have mushroomed rivets and the X-Bridge outer plate. Does that ...
11
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2answers
2k views

Can a counterfeit Shimano chain be used on an authentic Shimano drivetrain?

I accidentally purchased a fake CNHG901 HG-X11 Chain for my Shimano 2x11 M700 Groupset because my original chain already had 0.75 wear. I was naive and stupid to think that I'd actually get a ...
1
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1answer
53 views

Rear derailleur malfunctions

Around 1-2 weeks ago I sent my bicycle to my dealer because my cassette wasn't moving properly when I examined it by turning my bike upside down and my shifter shifted 2 times instead of 1 and ...
5
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5answers
686 views

Do you automatically have to replace your chainrings once your chain reaches 1 % chain wear?

My chain was badly worn. 1.0+ % wear. There is no visible shark toothing or extreme spacing on chainrings. Is there a chance I can get away with not replacing the chainrings, or does the amount of ...
2
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2answers
143 views

Do I need to replace my chain?

I bought a new cassette last week and they said that I also need to replace my chain. I only used that chain for 4 months and only rode my bike every sunday for 50 kilometers at max. Do I really need ...
1
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1answer
85 views

Difference Between SRAM SX eagle chain and SRAM NX eagle chain(12 speed)?

I have a Trek X-Caliber 8 with a SRAM SX Eagle 12 speed drive train, but I only have a SRAM NX Eagle chain. What is the exact difference between the two chains, and how can I modify my chain to make ...
4
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2answers
72 views

SRAM chain came with only half a powerlock

I just bought a new cassette and SRAM 9-speed PC 971 chain. On the outside of the package a power lock is pictured. However, inside the package only one half of the power lock was included. There must ...
4
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2answers
129 views

Where do you discard chain cleaning solvents/degreasers?

After reading comments that chain cleaning solvents could have substances of questionable health effects, and despite the benefits of bike chain-specific cleaning liquids, I'm doubling down on ...
4
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4answers
1k views

Switching from 118 link chain to 114 link chain - problematic or no big deal?

My (trekking) bike has 9 gears (9 sprocket wheels at the rear wheel / Shimano Acera). I just wanted to replace sprocket and chain. I correctly bought a 9-speed chain but the length is wrong. My old ...
0
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3answers
116 views

Chain keeps skipping - did I cut it too short?

My old chain was skipping a lot, so I replaced it with a new one. The new chain barely skips at all, except for in the highest gears/smallest three cogs on the back cassette. The skipping comes ...
0
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1answer
106 views

105 11-34T Cassette Compatibility

I purchased a Merida Speeder 400 a year back. This came with Shimano 50-34 teeth and Shimano CSR7000 11-32 teeth 11-speed cassette which I replaced with Shimano 105 R7000 11 Speed 11-34 Teeth Cassette....
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2answers
76 views

Chains for fixed gear bike noise problem

I mounted my fixed gear bike and I would like your opinion about the installation of my chain. The noise in the following video is made by my chain (and nothing else) and I am not reassured. I first ...
1
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1answer
40 views

Wipperman connex master link on a shimano chain?

Is it possible to use a wipperman connex master link on a shimano dura ace chain? I read a comment on a site elswhere that said this was possible, but is it safe? Or safe-ish?
3
votes
1answer
524 views

Can I reconnect a normal chain with a quick link

I have just mounted a chain, but I did it wrong and need to take it off. I have no more joining pins, but I have some spare quick links for this chain. Will they work even though the chain didn't come ...
0
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2answers
136 views

Fixed gear bike chain alignment

I have recently converted my old early 90s 18 speed Peugeot road bike to a fixed gear. The chain is clicking when pedalling and is out of line by about 10mm as you can see in the photo. The rear cog ...
2
votes
1answer
76 views

Ebike chain vs regular chain for up to 350w Mid Drive

What are the differences between an ebike chain and a regular bike chain, and would I see an advantage in using an ebike chain for a mid-drive motor 250w-350w? I'm considering the Bafang BBS01B. The ...
4
votes
2answers
180 views

Chain Compatibility

I am in need of a new chain, my cassette is a cs-4600 shimano and is 10 speed, will this chain I found work? https://www.sigmasports.com/item/Shimano/Tiagra-CN-4601-10-Speed-Chain/5JZZ The cassette is ...
4
votes
1answer
87 views

How to safely clean up spilled chain oil

Perhaps this is not bicycle specific since this could happen with any petroleum-based oil, but since the specific oil I spilled is chain oil I'm asking here. I have a plastic box that I keep all of my ...
3
votes
1answer
66 views

Chain keeps falling off chainring

I picked up an old Raleigh Sirocco from the 1980s ish and am attempting to convert it to single speed. I thought it was finished, but when taking it out for its first ride, the chain kept falling off ...
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1answer
171 views

Compatibility of Shimano Ultegra and Sora components

My road bike has an Ultegra groupset, but some parts need replacement (chainrings, chain, and cassette). The chain is worn out, the cassette is sliding with a new chain, and the chainset is also worn ...
2
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0answers
115 views

Slight crackling sensation apparently due to the chain sticking to the cassette teeth

I've just assembled my bike, so it has hardly been ridden (less than 200km) and all the components are new. Everything works perfectly, except an unpleasant very slight crackling sensation when I ...
6
votes
3answers
1k views

How strong is a chain link? How about half a chain link?

I had some intermittent clanking noise on yesterday's ride, thought the chain just needed cleaning and derailleur aligning. But got home to find that one side of one chain link had broken, so only the ...
0
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1answer
72 views

Chain seems to slip under pressure?

While I was riding I went to stand and it felt like the chain busted or came off! I jumped off and turned the pedals by hand and they turned fine but any pressure at all and it slips... any ideas ? I ...
3
votes
2answers
304 views

compatibility for a new cassette and chain

My cassette and chain have worn so I need replacements, My cassette is a 10 speed 12-30 and it says on it shimano hyperglide cs 4600 - I have struggled to find this and I don't think they make it any ...
1
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1answer
69 views

Visual chain identification

I have a second hand bike and the chain doesn't seem to work well with the 11 speed cassette fitted. It almost seems too wide to fit in the sprocket gap. Are there any visual signs on a shimano chain ...
1
vote
2answers
147 views

Chain “jumping” every few crank rotations

After a few pedal-strokes the rear derailleur completely gives out and the pedals drop to catch up. After much googling it says the most common thing is rear derailleur adjustment is needed, so I have ...
4
votes
2answers
275 views

Chainguard vs front mudguard to protect the chain from spray

My local bicycle mechanic advised me to get mudguards (such as the ones in Image 1) to extend the life of my drivetrain and protect it from spray in the winter. If I have £20 to spend on either a ...
17
votes
10answers
2k views

How does one wipe clean and oil the chain? (maintenance details)

This may sound like a dumb question -- I know how to oil a bike chain, but apparently not how to do it correctly. I have a relatively new gravel bike, a Giant Revolt, which I ride (on tarmac) about 25 ...
3
votes
1answer
147 views

Do tyre savers made of a chain catch debris as effectively as tyre savers made of a wire? Are they practical?

I get a lot of slow punctures in my rear wheel (I think mainly from glass), so have been looking into installing a cheap tyre saver there. They are meant to catch the debris before it gets pushed into ...
1
vote
3answers
168 views

Rear derailleur doesn't go to smallest cog

I'm sure it is a simple fix to this, but please bear with me. I have recently swapped my rear wheel on my bike (with an identical one, keeping the same cassette). Upon putting it back in, I noticed ...
5
votes
2answers
267 views

Chain length differences between 1X and multi-chainring setups

When determining correct chain size, one common technique is to install the chain (without passing it through any derailleur) onto the largest front and rear sprockets. Then, determine the shortest ...
0
votes
2answers
173 views

How can I reduce Chordal Action

I have an indoor, wheel on trainer - while indoors I notice the Chordal Action in the chain. The Bike is a couple of years old now - I have replaced most consumable parts except, chainrings, bottom ...
0
votes
2answers
124 views

10 speed chain skipping on 9 speed cassette

I have recently replaced a 9 speed chain with a 10 speed one on a 9 speed cassette. I read this is compatible. Shifting is fine and quieter but it is now jumping on the smaller cogs 6-9. Is this a ...
8
votes
5answers
2k views

I failed to replace my chain at the proper interval. Will I have to replace my whole drivetrain?

My bicycle is a 2012 Specialized Secteur. It has 6000 miles (10000 km), and I have never replaced the chain. I recently began noticing that the chain always seems out of alignment with the rear ...
5
votes
2answers
1k views

Do I need a chain breaker tool to install a new chain on my bicycle?

Do I need a tool, or will the chain have the correct length? For example, my biggest cog in the rear is 34T and the biggest chainring at the front is 42T and the chain has 116 links. Is a chain with ...
1
vote
2answers
85 views

Will a 3x10 or 3x9 front derailleur work on a 6/7 speed chain?

Will a 3x10 or 3x9 front derailleur work on a 6/7 speed chain? Can't seem to find a good MTB front derailleur for 6/7 speed chain. Tourneys won't do it for me
5
votes
5answers
838 views

Marking chains permanently for later identification

I'd like to mark chains so that I can identify each one out of a few chains of the same model. Any idea how I can do this in a way that will survive exposure to solvents / lubricants / use on the ...
3
votes
1answer
60 views

7/8 speed quick link on 6 speed chain?

I have a 6 speed freewheel with a chain which says HG on it. Can I use a 7/8 speed quick link on my chain?
2
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2answers
209 views

What size chain for Shimano CS-M7771-10 (11-36T) cassette?

What width chain is compatible with this cassette? I've seen non-Shimano chains online claiming compatibility with all Shimano 10-speed cassettes but their stated widths (nominal? actual?) don't have ...
5
votes
3answers
421 views

Do I need to shorten chain when fitting a new smaller cassette?

My current cassette is 11-36 and I want to change it to 11-32. Can I stay with my current chain or I need to modify my current chain to fit the new cassette?
3
votes
1answer
246 views

Chain skipping on upper pulley of rear derailleur

Background: I have a full suspension mountain bike with SRAM GX Eagle components. I snapped my chain recently, and replaced it with a new one of the same model. Made sure to size it the same as the ...
3
votes
1answer
155 views

Gears switch automatically on smart trainer

I need some help. I am a newbie when it comes to bikes, so feel free to ask me anything needed. I bought this bike half a year ago. I recently bought a smart trainer (Tacx Flux S Smart), and ...
9
votes
3answers
1k views

What's the power loss to a squeaky chain?

I've got an almost new chain, but forgot to oil it before today's ride. It would probably have been fine except for repeated dunkings in muddy water early on. Later in the ride it developed a ...
0
votes
1answer
102 views

Click sound when I pedal hard

I have click sound when I do pedal hard and uphill. I tried to troubleshoot: Tighten my pedal. Tighten my crank. and I tried to remove my chain on and tried to add force to left pedal and it clicks, ...
3
votes
3answers
356 views

Worn out chainring or missing tension

This is a follow-up to the question I need to replace a cassette for CS-HG500-10 but want to go XT Yesterday I replaced the cassette, as well as the chain and the jockey wheels and went for a ride. ...
8
votes
4answers
1k views

Quick link too easy to remove after installation, is this a problem?

As I always do, I've used a an 11-speed KMC quick link to close my 11-speed chain. However, this time the quick link was particularly easy to fit (and similarly very easy to remove). Is this an issue? ...
2
votes
7answers
613 views

How to improve the degreasing process?

My Situation : I degrease my drive train occasionally and absolutely hate the job. I also maintain my dad's bike, so this whole degreasing thing is really getting on my nerves now. I use solvents such ...

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