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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91 views

Chain Noise I identified the problem, don't know how to solve it (chain/cassette?)

I bought a bike, second hand, yesterday. The bike looks quite new and it is ok, but I notice that with some gear I got a clicking noise. After inspecting the bike, I notice that the chain does not ...
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347 views

Chain not fitting chain ring

I just bought a 21-speed hybrid bike (Wal-Mart grade Schwinn) and to try to customize/simplify things (other bike is a fixie road bike), I removed the front deraileur and bought a new single-speed ...
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3answers
7k 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 ...
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2answers
146 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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1answer
276 views

Would an original Abloy padlock and [toughened] chain make a good bike lock?

Why are bike locks so fancy, so specialised? Would a small padlock, e.g. original Abloy make a good bike lock when connected to a chain? http://simple.wikipedia.org/wiki/Abloy (first image) Are ...
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3answers
12k views

How to fix problem with mountain bike chain falling off gears?

The chain on my girlfriend's bike came off the front gear today, it looks like the back gear changing mechanism isn't handling back-pedaling properly, whenever she pedals backwards the chain slacks ...
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1answer
114 views

Upgrading cassette - what do I need to be aware of?

I'm looking to replace my rear cassette and reduce the tooth count between the sprockets in order to make my gear changes less dramatic. I currently have a 11/26 9 speed SRAM cassette, and a stock ...
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2answers
854 views

10-speed chain too short, can I add links?

I purchased a new KMC DX10SC 10-speed 114 link chain to replace my worn out chain. I'm running a mountain triple and it seems that The chain is slightly too short at it's full length. I can't get in ...
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201 views

Snapping master links

I have a 3x9 gearing installed and I've noticed that the chain broke, by failure of master link, twice within 25 km. Interestingly, the failure was perpendicular to the direction of motion: What am I ...
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62 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 ...
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142 views

When I press on pedal, intermittent loss of power

Recently, when I cycled my bike the pedals would jump when I pushed down on them. I brought it to a shop who replaced the cassette, the chain, the two crank arms and probably the crankset. I have also ...
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2k views

Clicking noise from crankset

A month ago I bought a Scott Aspect 60, and for about a week everything was ok. Then, I started hearing a noise coming from the crankset. First thought was that it was the front derailleur - after ...
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243 views

First time buying parts ( derailleur, chain, rear axel, shifters) need help!

I have a 21 speed (3 front, 7 rear) NEXT bicycle ( model number 8568-49, year 2007.12.06) sitting in my back yard at the moment a few missing parts and I was hoping to get some help on what to get and ...
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1answer
375 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?
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152 views

No more chainguide from Sram?

I remember I saw somewhere new Sram system that does not require chainguide. Don't remember the model, but could you please tell me more about it? How does it work?
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179 views

Campagnolo master link won't fit

I bought a Campagnolo master link (this one) for use with my Campy 10 speed chain. When it's not on a chain, it joins up and clicks into place and all is well. However, when I try to fit it around ...
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96 views

Is it ok to use a 9spd link on a 10spd chain?

I accidentally broke the master link (a.k.a reusable missing link) on my 10psd KNC x-10 chain. Since I only had a SRAM 9spd replacement link, i used that to connect the chain. I rode 30 Km without any ...
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1answer
2k views

Using a new chain on worn out sprocket?

I went to REI yesterday because my bottom bracket was creaking. I brought my bike with me so I could get the right tools to take it off, but while I was there the mechanic actually took the ...
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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 ...
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1answer
229 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 ...
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3answers
147 views

I just replaced my cassette, do I need replace the 2 month old chain?

I replaced both my cassette and chain in July (2.5 months ago). For some reason my chain started skipping when I was in the smallest cog in back. I took it to a shop, they could not find anything ...
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2answers
185 views

Shimano FD-M191 replaced with Shimano FD-M590

just replaced Shimano front derailleur (FD-M191) to FD-M590. And problem appears, on smallest cog chain rubs lightly on left side, and on biggest cog on right side. Just can't lower derailleur more ...
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203 views

What could be the reason for chain skipping

My chain is skipping only on the smallest sprocket, and it skips with every crank turn. The chain is not stretched. Also, chainrings are almost new. Could this freewheel be the reason, it doesn't seem ...
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749 views

Is an Acera cassette compatible with an 8-speed Deore rear derailleur?

Is this Shimano Acera 8-speed cassette and chain compatible with a Shimano Deore 8-speed rear derailleur on my mountain bike?
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95 views

Can I use this chainlink?

I bought this SRAM PC1091 chain for my compact chainset and have been running it since January. In order for the chain to fit properly I cut a few links from it. I am now getting a standard chainset, ...
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2k views

Cassette HG 51, which chain?

I need to replace my cassette (Shimano HG30 8speed 11-32) and chain (KMC Z7) that is currently on my bike (pinnacle Aura), however these parts are now discontiuned and I need to find the replacments. ...
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4answers
547 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 ...
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2answers
895 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 ...
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1answer
107 views

Chain Slipping?

I am not the most knowledgeable when it comes to bikes so please bear with me. I have a Claud Butler and after fixing a puncture I decided to ride it. As I was riding, I could hear a sort of rattling ...
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3answers
272 views

Chain skipping with new chain and freewheel

I've recently (last 6 months) begun riding again after many years away and have begun updating components on my bike (a mid 80s era Fuji). After replacing the rear wheel and freewheel I developed a ...
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374 views

Can you take apart rear derailleurs, and how do you put them back together again?

I recently took apart my rear derailleur as it was on a 10 year old bike and really old and stiff. So I thought I would unscrew both jockey wheels and clean them, they had a silver bit either side, ...
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109 views

Did SRAM change/update their 10 speed PowerLink?

On a rare occurrence this weekend I managed to completely destroy my SRAM PowerLink. So I went over to my LBS and got a new one; however, when I went to install it, it was super hard to close the link ...
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112 views

converting to fixed gear, chain problem

I just got a 16 tooth and tried to put on the old chain, BUT while it fits on the pedal cog (46 tooth), it does not on the rear cog. How can I solve this? a different cog in the back or a different ...
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2answers
639 views

Upgrade my Rear Cassette from 12/25t to 11/28t

I have a Specialized Secteur 8-speed road bike with a Shimano HG850 12/25t rear cassette running on a KMX Z type narrow chain my crankset is a 52/42/30, I have done about 2,000 miles so it's probably ...
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1answer
654 views

Chain guards for front derailleurs: Metal alternative to SKS chainboard?

Can anyone recommend an aftermarket, front-derailleur-compatible chainguard (along the lines of the SKS chainboard) that's not made of plastic? Maybe something like the one on the Marin Bridgeway ...
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1answer
104 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 ...
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1answer
606 views

Need help choosing compatible rear derailleur, cassette & chain

I just "inherited" a bike that has no rear derailleur or chain. It also looks like the cassette is pretty worn, so I'm thinking about replacing that too. I've looked around on the forum and I think ...
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1answer
328 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 ...
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165 views

Chain vs chainless options

Could someone provide a comparison between having a bike with a chain, with a shaft drive and with a belt drive like the Gates Carbon Drive? It could be good to know who fares better in terms of low ...
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2answers
216 views

Is it normal for the chain to slip in an 'extreme' gear?

My bike's recently been in for a service so afterwards I checked that all the gears are shifting and working properly. As part of my testing I put some power through the cranks in the photographed ...
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1answer
110 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 - ...
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0answers
145 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
216 views

Unable to change from 14th to 7th

I've got a bike that I have had for about 8 weeks and it has already been back to be serviced twice. It's just returned from the second service and I've noticed that it is not shifting from 14th to ...
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1answer
287 views

How to Get Starter Pins

I'm not sure if 'starter pin' is the correct terminology. When you buy a new chain, that doesn't have a master link, you get a longer pin that allows you to put the chain together. Then you simply ...
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2answers
138 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 ...
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66 views

My chain came out of dérailleur frame, but gap seems too small, am I misunderstanding something?

So the chain came off my bike on the way to work this morning, but when I tried to put it back on, it seems like it has also come out of the dérailleur frame, but the gap where it seems to have come ...
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167 views

WD40 on Single-Speed Chain [duplicate]

Simple Question: May I use WD40 to lubricate my single-speed chain? Does it not have any negative effects in terms of the chain performance and biking in general?
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218 views

Why are master links so expensive?

2.51 euro for a quick-link (the cheapest)? But this is not so different from just single chain link. Why such prices and not for a dime?
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75 views

Can i use a thinner standard mtb chain (SRAM 971) or does the chain need to be specific (SRAM PC-1) for coaster brake single speed

Time for a replacement chain, and i have a sram 971 sitting around, don't want to spend the money on a new chain, if i can get away with using a mountain bike chain. Hopefully it won't pop off with ...
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2answers
2k views

Rear wheel stuck (not moving)

I have a Mongoose XR-150. Just brought it from Craigslist a month ago. Suddenly while biking today, the rear wheel got jammed. It just stopped moving, however hard I tried to pedal. Immediately ...