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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364 views

Crunching/grinding chain noise

I repaired a puncture in the back wheel of my bicycle and had some trouble re-attaching the wheel to my bike. I finally did it but now the chain makes a terrible crunching noise when i pedal forward, ...
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1answer
46 views

How do I know I should replace the chain? [duplicate]

I have been riding a folding bike in the past. I have never replaced its chain. Recently, I have bought a second hand road bike for $500. I am afraid of the chain breaking suddenly. How do I know I ...
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1answer
32 views

Can I use a SRAM Powerlink on a Shimano chain [duplicate]

Have 9 speed Shimano chain that I need to shorten. I don't have the Shimano pin so I need to go buy one. Could just reuse the regular pin but I already broke one chain tool trying that. I think ...
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2answers
113 views

Replace chain at 0.5% wear, or 0.75% wear?

Why do chain wear indicators have an indication for 0.5% wear and one for 0.75% wear? Are both measurements included because there is some personal preference from mechanic to mechanic, or rather are ...
4
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3answers
730 views

Chain slipping on middle chainring

I have recently replaced the chain and the cassette. Previous chain never slipped. I never had any problems with it at all. But I have made about 10 000 km on it and the wear was beyound any limits, ...
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2answers
268 views

New to bicycles; Bad setup, bad bike, or too heavy?

I purchased a Schwinn Meridian adult tricycle hoping to have a flexible means of exercise. After giving it a close look, I tried it with disappointing results. When pedaling from a stop, the chain ...
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1answer
258 views

Bought new chain. Do I have to remove links?

I have this bike I got it from wal-mart many years ago. Same as this one on amazon: Denali The chain rusted. I noticed that it listed the chain on amazon. Chain: KMC Z 51 I bought this one. I'm ...
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2answers
472 views

Does climbing put extra stress on the chain, making it stretch out faster / higher break risk?

I remember taking it for granted, but then somebody gave me some reasons on climbing not affecting the chain, and I forgot about it. Today I just got scared that my chain might break when struggling ...
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1answer
55 views

Replacing my chain

My chain broke recently. I fixed it by taking out a link with a chain break tool. Now the it slips when I am in my smallest gear on the cassette. I cannot find the stiff link in my chain and think ...
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1answer
130 views

Is reverse pedaling good for smooth gear change?

I am newbie for cycling. When I change my gears, some lock sounds are coming from the chain. But if I do reverse pedaling while switching gears. No sound form chain, but gear switched to the right ...
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4answers
3k 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 ...
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2answers
85 views

Is it possible to shorten a chain?

I have the following chain/gear setup: I like to get rid of the rear wheel gears. However I don't want to buy any new parts. That is why I am wondering if I simply can remove all the parts from the ...
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2answers
80 views

Is it possible to use a two or three chainring with an internal hub?

I have a Bullit cargo bike. It has a Shimano 39t chainring and a Alfine 8 rear hub. I was going to go for a Rohloff to get more gears, but the price is just getting stupid. I looked at the Alfine 11 ...
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3answers
84 views

Is my cassette or chain worn out?

I bought this road bike as my first road bike in 2011. I have not changed the chain or any parts on it since then and I bike on it almost daily. It's been running great, but sometimes I have trouble ...
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1answer
347 views

Gears jumping/slipping from the rear cogset on a new bike

Its been 1 month since I have bought my new MTB (Kross globate 1.1) with 18 gears (shimano).. Now the problem is chain has slipped twice while riding. First time my speed was around 25kph and second ...
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2answers
56 views

Restoring a 16"

This here is my 16" bike which I'm going to at least try restore. I've put some wider bars on it, fixed loose things etc. My friend removed the pedal back but I don't think he has put it back ...
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1answer
37 views

Merida Matts TFS 600 original chain lube [closed]

What lubricant does the chain of a Merida TFS 600 bring from its factory? Thanks.
7
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1answer
174 views

What is the deal with the new weird gazelle chain case design?

I was about to buy this bike (a Gazelle Aroyo c7): http://www.gazelle-fietsen.be/assortiment/arroyo-c7 when I realized the chaincase is seemingly deliberately designed so that the chain constantly ...
3
votes
6answers
300 views

Why bother changing a chain?

I have heard often that you should replace a worn chain, that a chain lasts somewhere between 800-1200 miles, and that if you don't replace the chain on time, you'll need to replace the cassette when ...
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1answer
67 views

Fixie chain stuck between cog and hub

I had my chain jump off on my fixed gear when I hit a pothole, and it's gotten completely wedged between the cog and the flange of the hub. I've removed the lockring but can't get a chain whip around ...
6
votes
2answers
840 views

Why are chains sold in fixed lengths rather than by the meter?

Why can't we purchase chain by the meter, in any length, instead of in fixed lengths? Then the chain could be cut to the exact length required, unlike current situation of throwing away several links. ...
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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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1answer
102 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 ...
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1answer
108 views

Clicking noise coming from cog on fixed gear

Ever since I put my rear wheel on after taking it off, I have had this constant clicking noise from the cog. Here's what I know: It wasn't always like this. I rode for a few months with no ...
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2answers
87 views

What does usually worn first, the chain or the cog?

I have an old bicycle that I would like to repair. Basically the chain is always "clicking/jumping" when I pedal. I know this is either a worn chain or cog. My question is what worns first? If it's ...
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2answers
572 views

I have a broken my drive side crankarm - what do I need to do?

I recently had to dash home for a minor emergency. I noticed that one pedal was a bit wobbly but I had no choice but to push on. Once I got home and the emergency had been dealt with I noticed that my ...
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1answer
127 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 ...
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1answer
55 views

How to align a chain on a single speed

My bicycle currently has poor chainring/rear sprocket alignment (as in the chain at the front is more than a chain's width from the chain at the rear). I'm wondering what the procedure is to correct ...
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3answers
175 views

What does chain worn indicators 75% mean?

I've bought a chain wear checker made by BBB, but not sure what the percentage of worn is about? It has 2 sides, one of them indicates that the chain is worn 75% and I should replace it in the near ...
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1answer
78 views

Is there a difference between the durability of the chains with 1/8 and 3/32 inch?

I mean, I have a single-speed bike and have chains width 1/8 inch. The other standard I could use on my bike is 3/32 inch wide. Is there a difference in durability?
3
votes
4answers
332 views

Is it necessary to buy a special tool to open the chain lock

I've installed a chain lock to my chain. It looks like this (mine is not KMC): Now I need to unlink the chain to clean it, but I can't do it: the lock is too tight. I found a special tool on ebay ...
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3answers
623 views

Replaced chain, bike makes grinding noise?

Recently, I started going to a community bike shop to learn how to maintain and service my own bike. Ever since I changed the old, worn-out chain to a new chain with a master link, I've been ...
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2answers
1k views

Are Campagnolo and Shimano 11 speed chains interchangeable?

I have an Athena 11 speed group set, but can get a good deal on the Shimano 9000 chain. Does anyone know of any reports of issues combining the two?
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3answers
93 views

Chain is choking and pedals fly forwards when going up hill or standing on the bike pedals

I have a 2 month old Vodoo Bizango from Halfords in the UK. I have had this problem about 2 weeks into having the bike where if I'm on the highest gear and want to do sprints (standing on the pedals) ...
2
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2answers
2k 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 ...
1
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1answer
129 views

Chain guide/tensioner for 2011 Giant Reign 2 (Press Fit)

Can someone recommend a chain guide/guard/tensioner that will be mountable to a 2011 Giant Reign 2 which has Shimano Press Fit and 3-ring crankset? The best I could find is: Kore Chain Reactor - ...
4
votes
2answers
186 views

What type chain lube should you use in a sand and salt water enviroment?

I rent bikes in remote beach locations. What lubrication will reduce rust and sand accumulation?
5
votes
5answers
803 views

Can I use Kerosene for lubing the cogs and the chain

I recently went to a bike mechanic and he dropped some kerosene on the cog and chain for lubing them. He said that it keeps the dirt off and is quite volatile so will evaporate after sometime leaving ...
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1answer
62 views

The spring in my front dérailleur is jammed

My front derailleur is jammed by dirt (grease + fine dust), because of this the gear doesn't shift perfectly and chain is thrown off the cog. The spring is a bit unreachable because the derailleur arm ...
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1answer
78 views

Campagnolo drivetrain compatibility and noise

My bike has 2009 Campagnolo Veloce 10 speed drivetrain. I recently changed the cassette (still Veloce 10 speed) and chain (campagnolo Record 10 speed). I assumed the fact that the chain was in the ...
4
votes
6answers
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 ...
8
votes
7answers
10k views

While pedaling standing up, bike crank gives in as if shifting, what is causing this?

While standing up and pedaling, the cranks give in as if shifting. It seams like I am shifting down, but my hands are off the shifter, almost like the chain is skipping a link. I took it to a bike ...
21
votes
9answers
8k views

How to achieve an always clean chain

My chain and cogs always look very dirty as the oil attracts dirt. It is a constant problem as you can't fully avoid stains on your trousers and hands. Also, that looks ugly and I believe it wears the ...
4
votes
3answers
596 views

Cold weather chain lube?

My Rock N Roll Gold bike lube seems to get solid or gelatenous when stored on my unheated, but enclosed porch at colder temperatures. Is a chain lubricated with this product still going to be ...
6
votes
7answers
3k views

Reusing SRAM 10 Speed PowerLock?

According to: http://www.sram.com/sram/road/technologies/powerlock "SRAM chain engineers developed PowerLock as a tool free, sure and consistent way to connect our 10 speed chains. While PL does ...
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3answers
162 views

What could cause the bicycle chain to break?

I'm on an old Muji 3-speed commuter bicycle which uses an internal Shimano gear hub, and I recently (3 months ago) got my bike chain changed by my LBS. For about 2 weeks I felt the chain would ...
0
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1answer
639 views

KMC Z8S IG or HG compatibility

I have bought a KMC Z8S chain , but it slides over the rear cassette . The model of the cassette is Shimano CS-HG30-81 , it is not worn yet , and the chain length is also perfectly calculated . The ...
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2answers
199 views

Why does my chain slip off the chainring when cruising or back pedalling?

My bike is a little more then a year old (although I do put a lot of miles on it, about 12 miles a day), this problem seems to have started about a week ago. It's a 7 speed Avilon Next (a cheap brand ...
3
votes
1answer
65 views

Odd metallic chafing sound

I bought a second hand road bike recently, I'm quite new to the field. I had a wet'ish ride and ever since getting a little bit of mud on my bike there's a metallic chaffing sound whenever I apply ...
2
votes
1answer
267 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 ...