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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2answers
1k views

Chain “vibrates” on higher gears

My freewheel that I have installed myself only 1.5 years ago has totally worn out by the moment and so I just had it replaced along with a chain at the workshop. I'm still concerned though about the ...
2
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5answers
2k views

What's the most useful style of chain gauge?

I see that there are three kinds of chain wear gauge: The basic kind. I'm used to using this kind: The hook style. Supposedly provides an indication of how worn the chain is. I've used these and ...
13
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3answers
443 views

Will regular removal, cleaning and re-placing of my chain weaken or damage it?

When I'm cleaning my bike, the quickest way to degrease my chain is to remove it and degrease it in a small tub. Will constant removal / re-adding to the bike cause damage? I don't have a quick ...
7
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2answers
2k views

Should I Oil A Single Speed Chain?

My question is simple. Do I need to oil a chain on a single speed bike?
3
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2answers
5k views

Options for replacing a 7 speed Shimano cassette / chain

I would like to replace my 7 speed HG70 cassette and chain. My problem is that it is increasingly difficult to find quality parts for 7 speed system. My bike is a Trek 970 from 1993, originally with ...
5
votes
2answers
2k views

How do half link chains perform for long term use?

i was wondering if there is anyone with a Rohloff hub riding half link chains for longer. OK, the hub isn't essential it's just a single speed chain, so experience from anyone who rides more than the ...
4
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1answer
562 views

Is my front derailleur angled straight?

I am attempting to adjust my front gears and have also been following a video to adjust the high/low position of my front derailleur. The issue I am having is that the low adjustment is no where near ...
2
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2answers
1k views

SRAM chain with Shimano cassette and crankset?

When new my bike had all Shimano components. When it was time to replace the chain, the LBS installed an SRAM chain. Was that a mistake on their part (if so, was it a bad mistake)? I had a problem ...
4
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1answer
154 views

Replaced tyre and tube, now the rear gears will not stop

Just put on a tyre and innertube, fits perfectly, but now when I stop pedalling the gears at the back keep moving so the chain just sags down so much that it hits the wheel etc. Any ideas on how to ...
6
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5answers
792 views

Is it possible to put a chain on without removing the rear wheel?

I have a bike with a single chainring up front and an internal hub and a coaster brake in the rear. (For those unfamiliar with this setup, it's essentially like having a single-speed bike in that the ...
5
votes
2answers
343 views

Wiping extra Lube really important with all types of Lubes?

This question about chain maintenance during touring raised this quetion. This tip sounds very unintuitive, of course, I know that the extra lube will attract dust (not good to chain) but I have paid ...
6
votes
3answers
583 views

What am I supposed to do when my chain falls off?

It happened when I "stepped on it" (on an empty residential street). It left the chain on the road. What tool(s) and parts should I have had with me, to fix it? It was replaced (new) two months ago, ...
5
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7answers
4k views

How long should a well maintained chain last and what can I do to prolong its life?

I commute on a fixie. I'm using KMC Z410 chains. Every evening if it's wet I wipe and re-lube my chain, using ProLink lube. Every weekend I remove the chain, soak it in kero, brush it with a citrus ...
6
votes
7answers
4k views

How to prevent my chain from breaking?

After my chain has broken what should I know about buying and maintaining a new chain (apart from lubing it and replacing when it 'stretches')? Do you keep a spare chain, or a spare link? I have a ...
8
votes
2answers
3k views

What harm results from riding with a stretched chain?

Due to sheer laziness, my maintenance amounts to an annual trip to the LBS. After moving, my new LBS suggested that I replace my chain immediately, before it destroys the drive train. What they ...
10
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6answers
3k views

Best chain lubricant for commuter/utility bikes?

What's the best chain lubricant for a bike used for riding in normal(ish) clothes, year-round? I've been using Tri-Flow, but that tends to leave black greasy/dirty stains on pants, shoes, etc. I've ...
4
votes
4answers
1k views

Eliminating chainslap on a 90's Stumpjumper

I have a mountain bike - a Stumpjumper hardtail frame with a Shimano drivetrain - where I'm getting a good amount of chainslap. Before I start fiddling with stuff, I'd like to understand the problem ...
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4answers
525 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) to help them with derailer-free chain work? I ...
1
vote
3answers
953 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 ...
3
votes
1answer
253 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
2answers
290 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 ...
21
votes
2answers
5k views

How to know when to change a chain?

A bike shop employee used a tool he said would check the wear on the chain, and said that it should be changed. He said it took a measurement that meant the chain had expanded, but it is still hard ...
2
votes
3answers
2k views

Chain skipping on MTB

I've had my Trek 3900 for about a year now, and I replaced the chain about 3 months ago, but otherwise it's running with the same parts it came with (not counting tubes and tires). I had to replace ...
4
votes
2answers
2k views

Chain drop under load

I have a problem. Today I was riding (flat-out) up hill, and went to shift up a gear on the rear, which caused the chain to drop off the front chain-ring (was in the big-ring, so dropped to the ...
2
votes
3answers
5k 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 ...
3
votes
2answers
776 views

Squeaking sounds after lubricating the cogset and chain

My bicycle didn't produce any squeaks until the last weekend, when I decided to make a little maintenance. First, I used "Easy Clean" spray from the White Lightning brand to clean the cogset and the ...
7
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2answers
7k views

if I replace chainset and chain should I replace back cassette as well?

I am replacing my chainset and chain, as its totaly worn and causing the chain to jump off when I pedal. The cassette is fairly worn too, but is not causing any problems. If I buy a new chain and ...
6
votes
3answers
636 views

Should a chain be replaced even if it's not stretched?

This question suggests using a tool or ruler to assess chain stretch to determine when to replace a chain. I have one such tool (Park Tool CC-3), and it tells me that my chain is not stretched even to ...
2
votes
1answer
142 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 ...
3
votes
3answers
907 views

What's the loss of effective output, with a worn chain?

I was just bought a new fine ultegra chain for 10 speed road race bike. This is actually the first new chain for this not so old bike. I am a fan of statistics, measuring power with a power unit on my ...
1
vote
2answers
857 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 ...
3
votes
1answer
230 views

Should I use an already master-linked chain or add a masterlink to a plain chain?

Trying to find moderately-priced 9-speed chain is a pain, particularly with a master/missing link already installed. I can only find PC-971 master-linked chains from US market but shipping and ...
5
votes
2answers
304 views

Chain loses tension on straight drop out

I have single speed bicycle with a straight dropout. The problem I'm having is that over the course of a week, the chain loses tension until eventually, if I do not re-position the back wheel again, ...
1
vote
1answer
320 views

Dismounting wheel in a fixie

I have a fixed gear bike, Rocky Mountain Boroughs Fixie (see picture). The chain is very tight compared to any free wheel bike. So anytime the tire gets punctured (unfortunately very often) and I want ...
5
votes
3answers
2k views

What are the advantages and disadvantages to chain wax?

I recently bought a new chain for my bike and it came full of chain wax. I was wondering if this was a better lubricant then regular chain lube, or if it had some other qualities that the manufactures ...
7
votes
3answers
9k views

Is my chain too long?

I'm in the process of setting up a new drive train. When using the smaller chainring and smallest sprocket (hence least amount of utilized chain), the chain brushes up against the bottom of the ...
11
votes
2answers
525 views

How do you evaluate and choose chain lubricants?

Terms such as wet/dry/xyz/winter/summer/autumn lubricants are not well defined. I find it very hard to determine which bottle is worth buying, spray, bottled, wax, parafin, purple, green, Y (other ...
5
votes
1answer
324 views

does my degreaser hang around and destroy my new chain lube?

I generally clip on the Park chain cleaner, fill it with a cheap department store degreaser (Rubbermaid), run it through for a few seconds, then fill the chain cleaner with water once or twice or more ...
8
votes
4answers
2k views

How to fix new chain that switches gears when pedaling backwards

I just recently replaced a chain that got incredibly beat up in the winter (it was rusted, and practically stiff when I removed it.) I removed links from the new chain to match the length of the ...
1
vote
1answer
221 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 ...
5
votes
2answers
812 views

Are lighter chains worth the cost?

I'm replacing chains on a number of bicycles, and trying to decide what chains to purchase. I'm a fan of Sram's master links, so I'm comparing the Sram PC-971 to the PC-991. The PC-991 is ...
11
votes
1answer
936 views

Do I need to change my cassette if I can't see any wear?

I bought a new road bike with Campag Athena 11 speed in March last year. To the end of Jan it had covered 9000km. In all that time I hadn't changed the chain because I don't have the Campag tool, and ...
7
votes
2answers
1k views

How to maintain chains during touring?

I think requirements are reusable, simple, small-size and things-to-easily-to-carry. There are exotic answers with chain clearers and other things that do not qualify to me simple. Perhaps, the ...
4
votes
3answers
625 views

Which durable Chain Breaker?

I bought the cheapest chain breaker, XLC 10EUR, and its head got loose on the first try (maybe due to my poor handling or it is not well-done product). I was on the journey and had to get it so did ...
3
votes
1answer
377 views

Are all 9 speed chains compatible with all 9 speed systems?

My current chain is x9, but it's expensive in eBay. Can I use any 9 speed chain like on this page?
7
votes
1answer
1k views

If the chain/cog no longer drives the wheel, can this be fixed?

Suddenly (without anything sounding like it was broken) the chain no longer turns the back wheel. The cogged part of the wheel is turned by the chain but this doesn't turn the wheel. Is this ...
6
votes
6answers
455 views

Are there brands that sell weather-resistant chains?

I have to bike in bad weather and especially at work i have no way to store my bike in a dry place, this means that my bike chain picks up rust like nothing else, forcing me to clean it a lot. Now i'm ...
6
votes
3answers
1k views

Single speed conversion chain keeps derailing rear cog under load?

The chain on my SS mt bike keeps coming off the rear cog under load (like when I hit a steep hill) it will hold right after it's tightened but after a few hills it starts coming off non-stop. Talked ...
7
votes
1answer
295 views

What is a sign that my chain needs to be lubricated again?

I just cleaned my gears, derailleurs, and chain. Lubricated the chain with Teflon dry lube. When will I need to re-lubricate again? Will I hear the chain make sounds? Do I do a visual inspection?
10
votes
3answers
2k views

Why is my chain so noisy after cleaning and lubricating?

I have recently gotten into commuting to work with a road bike. Once a month or so I will degrease, clean, and lubricate the chain. I change through all the gears to distribute the lubricant and ...