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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2k views

How to break reinforced Shimano pin?

Sorry if my technical English is a bit imprecise. I just put on new Shimano CN-HG53 chain. I joined the ends not with regular pin, but with provided reinforced one (like one of those below). The ...
3
votes
2answers
931 views

What is causing noise/vibration high power input on right hand (drive side) crank?

I am getting a repetitive grinding sound/slight vibration while fully mashing on my Kona-humu single speed. Description of Problem This grinding is more similar to what you would hear from an ...
3
votes
1answer
299 views

What kind of lubrication is used on Electra Townie 8i chain?

I just got a new Electra Townie 8i and notice that the chain appears clean and silvery. Is it supposed to be lubricated and if so, what is recommended lubrication?
3
votes
1answer
154 views

Chain coming off with internal hub gear bike - why?

I have a Raleigh Caprice bike, about 7 years old, with sturmey archer 3 speed hub gears. There have been some problems with the hub gears in the past 9 months, which have been fixed by a mechanic. ...
3
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2answers
337 views

Chain really noisy near front derailleur on low gears but doesn't appear to be rubbing.

In the four lowest gears (i.e the 28 cog end) when in both the big and small ring, loud noises can be heard coming from what appears to be near the front derailleur. I've uploaded a video of the noise ...
3
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1answer
4k views

How to remove a Shimano Quick-Link?

I'm currently repurposing an old frame and replacing the drivetrain. If possible I'd keep the old 7 speed drive train the bike had together in case I ever find a use for it. The chain is an HG40 ...
3
votes
1answer
869 views

smallest cog of cassette rubbing on seatstay

I built up a NOS late 90s steel frame with a similar era Campagnolo Chorus 9 speed groupset. Has gone well, except the stays/dropouts don't seem to quite like a 9 speed cassette. The second smallest ...
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2answers
6k views

Can a 10-speed mountain bike chain be used on a 10-speed road bike?

I would like to use a Shimano Deore XT Chain CN-HG94 on my road bike. Are there any differences between roadbike chains versus mountain bike chains that prohibit this? Sample Road Bike Chains: Dura ...
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2answers
420 views

What kind of master link is most convenient for IGH / fixie / ss setups?

Here's a question related to this and this -- I've got a IGH bike and want to keep the drivetrain clean. I prefer to remove the chain for regular maintenance, but don't want to have to remove the ...
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3answers
9k views

Why is my drivetrain so noisy after replacing the chain?

I ride an SE Lager fixed. On the 30th of May this year I did a bit of an overhaul, replacing the rear cog, chain, wheels, tyres and brake pads. I measured the chain last weekend and discovered that ...
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votes
4answers
6k views

Can I use gear oil on my chain?

I don't have any chain oil right now, but I have some gear oil left over from working on my car. Would it be an effective chain lubricant? It's listed as 80W90, but reading the Wikipedia article ...
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4answers
121 views

Chain link jams after reassembling the rivet [duplicate]

I bought a chain riveting tool. Here is how it looks like: It works fine, I was able to push the rivet out of a test chain. But faced an unexpected difficulty: after I restore the rivet to it's ...
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4answers
572 views

Why should you not just buy the chain with more links?

I have the choice of buying a 114 or a 116 link chain for the same price. Why would I not buy the longer one and shorten it? In my case my bike previously had 108 links, and assuming that was ...
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4answers
4k views

Alternative Chain Grease/Lube

Can I use this general-purpose lithium grease on my chain until I can get some Finish Line lube? Thanks in advance.
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2answers
10k views

How do I figure out which size chain my fixed gear bike has

My fixed gear bike is going to want a new chain soon, how do I figure out which width I should use?
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2answers
125 views

Relationship between chain tension and chain wear

On a 10 speed road bike, what is the ideal chain tension? I was recently told (by a bike shop) that my rear derailleur should be fully extended (pointing forward) when the chain is between the 2 ...
2
votes
1answer
530 views

What's the logic behind this chain length estimation method?

I know of several methods of sizing a chain for a bike: As many links as the previous chain. Small-small. The RD should be barely expanded, the chain nearly rubbing against itself roller-cogs. The ...
2
votes
4answers
322 views

What is causing phantom shifting on front chainring?

I have a steel cyclocross bike which doubles as my weekend bike and my daily commuter. About a month ago I got in a wreck and bent the rear derailleur hanger and the rear derailleur. Got the hanger ...
2
votes
3answers
1k views

Can a greasy chain cause the chain to come off the rings?

I heard once that you should clean your chain with a light degreaser whenever it looks especially dirty or at the very least once every few months. But that doesn't account for frequency of rides or ...
2
votes
3answers
94 views

Should I change my chain? It broke once, but its condition seems rather good

Expanding a bit on the title, I ride a 27.5" KTM Peak XT with a 3x10 setup. The chain I'm currently using is of unknown provenience (it was already there when I bought the bike, and it wasn't new). ...
2
votes
1answer
115 views

when does a 1/8" chain need replacing?

I use a Park Tool device to check for stretch on my derailleured bikes - can the same tool be usefully deployed on a 1/8" 'track' chain, does anyone know? If not, how then to check for wear?
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2answers
4k views

my chain is skipping on my single speed

The chain keeps wanting to load towards the right hand side of the cog no matter how I orientate the chain. This causes painful skipping. Do the marks have anything to do with it? I have a ...
2
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3answers
15k views

How do you connect and disconnect a quick release chain link?

I can't find any nice video or pictures tutorial that explains how to connect and disconnect a quick release chain link. Am I not finding anything because it has another more common name? How do you ...
2
votes
1answer
125 views

Lots of chain slack… Time for a new chain? Bad derailluer?

I got home from a short ride up the street today where there was a lot of clicking and skipping of chain links and when I got home I realized my chain had a ton of slack. After looking around on the ...
2
votes
1answer
490 views

Do I really need a magic link or can I just replace the pin on my chain?

To install a new chain I need a chain tool to shorten it to the proper length. Why not just use that same tool to replace the pin and not deal with a magic link? Seems to me the pin would be ...
2
votes
1answer
384 views

New Chain and Cassette - If I am not racing does it matter?

I need to replace my chain and cassette and I am not sure what "level" I need to pick? I have SRAM RED and have never replaced my cassette or chain (Two years) I had brought my bike in for a tune up ...
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2answers
282 views

Chain repeatedly tries to click into place without gear change

While pedalling, every 10 seconds or so, the chain on my bike makes the sound it makes during a gear shift - it "clicks", as if it's clicking into place in the new gear. But there is no gear shift ...
2
votes
2answers
211 views

Suitable remedy for chain damaged by bike shop

I've got a fairly old Dawes Discovery 301 (not sure of the year); earlier today I took it to a shop to have a replacement bottom bracket fitted. I rode it 2 miles home, and noticed a slight ...
2
votes
3answers
5k views

Can you use a SRAM 10-speed Powerlock with a Shimano chain/drivetrain?

I just bought a pair of SRAM Powerlocks for 10-speed chains. The packaging says that they can only be used with SRAM chains. Will anything nasty happen if I use it with a Shimano chain and cassette?
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2answers
153 views

Is there any reason to keep original drive-train components together until they can all be replaced?

I broke the master link in my chain a while ago and my LSB told me it was because I wasn't cleaning/lubricating my chain often enough. The chain had experienced more wear than it should have as a ...
2
votes
3answers
101 views

single speed mtb chain slipping

hey i am new here and i was just wondering if anyone can help me out with the problem of my chain keeps slipping when i pedal a little bit hard. I took my bike to lbs and they said that my chain was ...
2
votes
4answers
826 views

Chain replaced but bottom jockey wheel “jumps”?

I have a 10speed MTB and replace the chain using a powerlink. Now the bottom pulley wheel makes like a jumping kind of movement. It is not smooth. Also when in my small ring in front I get chain ...
2
votes
2answers
965 views

Which master links for 1/8 inch aka BMX chains?

It was very easy to find master links for 3/32inch (aka 9-speed chain) but I cannot find them for 1/8 inch (aka BMX chain). My chain is the Nexus CN-NX10. Cannot understand the odd observation that ...
2
votes
1answer
529 views

Old chain still shifting perfectly, should I change it out?

My chain is ready to be replaced according to gauge, but, my shifting is flawless. Should I replace the chain or squeeze another few hundred miles out ? It currently has about 2500 and is a CN6701. ...
2
votes
1answer
116 views

Choosing a new chain

I am going to buy a new chain for my bike, and read the answers for this question: advantage of expensive chains? The accepted answer said, that there is no difference between inexpensive and ...
2
votes
1answer
144 views

Bike chain too long?

Recently, my road bike's chain got cut, so i took it for replacement. A new chain was inserted and the shifting had a good transition. However, when i shift on the harder gears, i hear "crack crack ...
2
votes
1answer
129 views

Will I snap my derailleur? (too large front chainwheel)

I have an old racer (1994 Specialized Epic Allez - lugged carbon) that's in pretty good shape. I brought it to an LBS that's got a pretty good reputation and that I've used before, to change the chain ...
2
votes
1answer
317 views

For what kind of bike and under what riding conditions would a Biologic FreeDrive Chain Cover be suitable?

I've got a Strida 5.2 and absolutely love the greaseless experience. For ordinary chain bikes, when could a Biologic FreeDrive Chain Cover be used without causing troubles, but only provide a cleaner ...
2
votes
2answers
376 views

How to assemble bike chain with no Master link?

I just bought a KMC chain on Amazon, and to my surprise, it didn't come with any kind of master link or connecting pin. I thought this was standard. So, did I just forget to order the part, or can you ...
2
votes
1answer
599 views

Why does the chain misalign in the lower pulley when shifting to the small front cog?

Almost every time I go from the big, to the small, front cog on my SRAM Red 2011 (with a KMC chain), the chain ends in the lower pulley position, as shown in the photo. Why?
2
votes
1answer
126 views

how to fix gear ring that over-jumps

I am pretty new here, and I am not acknowledged with the bicycle terminology in English, so this topic might be a duplicate. Sorry in advance. So, when I put more pressure while pedaling, the chain ...
2
votes
1answer
122 views

Question about chain re-attaching

I have a question about chain "closing" (not sure of the english word, but you get it, right?). I know how to open a chain with a chain tool, and I know I must not "go too far" as to remove the rivet ...
2
votes
2answers
229 views

Had the front derailleur adjusted, now it feels like the rear is skipping

Here is the short version. I'm all for adding more once I know what that more is to help answer said question. I work on the road. I take my Felt ZW75 ...
2
votes
1answer
762 views

stiff gears and chain coming off while pedalling forward (hub gear)

So I recently replaced the back wheel's tyre on my bike. Got it all fitted back on again, and the chain and everything are in place as they should be. However, changing up gears has become very stiff ...
2
votes
4answers
717 views

Do Master Link pliers help with SS / fixie chain assembly?

A followup to my own question, seeking specific help. I'd like to know if anyone is using a set of "master link pliers" (something like Park's MLP-1 MLP-1.2, or try this search) to help them with ...
2
votes
2answers
1k views

4 year old alivio 8 speed rear gears - compatible chain

I need to replace my chain (for the first time). My bike is roughly 4 years old using Alivio 8 speed (24 gears) system. Looking at wiggle they seem to have 3 chains available. Looking at other ...
2
votes
1answer
162 views

Which chain should I use for Rex Touring with 5 gears?

The bike is about 15 years old. The size of tyre is probably 28. I want to change the old chain. I am not sure which chain I can put to the bike. Does any chain which length is enough for 28 fit my ...
2
votes
1answer
77 views

Chain slips to lower gear when pedaling backwards

I have a hybrid 18 speed bicycle which is able to shift through all gears on both the front and rear sets of gears. When on the largest gear on the front set (by the pedals) the chain will try to ...
2
votes
2answers
135 views

Chain falls off all the time when I want to shift from small to big front ring

90% of the time when I shift from the small front ring to the big one the chain falls off to the pedal. Why is this happening? This is a dual click, SRAM Rival. Shifting on a back wheels perfect, no ...
2
votes
1answer
152 views

Use a KMC X10 SL chain on an 11 Speed cassette?

I have two KMC X10 SL chains that I never ended up using. I got my new bike, which came with a KMC X11 chain (the bike is Specialized Diverge Comp). I am wondering if I can use the X10 chain on this ...