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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6
votes
7answers
2k 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 ...
1
vote
3answers
132 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 ...
1
vote
2answers
118 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 ...
0
votes
1answer
442 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 ...
0
votes
2answers
129 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 ...
0
votes
0answers
35 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 ...
3
votes
1answer
60 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 ...
0
votes
0answers
73 views

Replacing chain without chain rivet tool

Are there any tricks to get out the bolt of a chain without a chain rivet extractor? like with tools found in a common household?
2
votes
1answer
205 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
1answer
83 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 ...
1
vote
4answers
74 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 ...
0
votes
2answers
232 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, ...
4
votes
1answer
270 views

How do I fit this pair of chain tensioners on my single speed bike?

I have these chain tensioners: How do I install them correctly on my single speed bike? Do they go on the inside or outside of the frame? My dropouts look something like this: Apologies if the ...
0
votes
0answers
22 views

How often should I lube with Pedros Ice Wax? [duplicate]

I'm a usa cycling road racer. I just got a recommended lube Pedros Ice Wax. I ride about 100 miles a week. How often should I lube my chain with it and how often should I clean it?
1
vote
3answers
269 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 ...
1
vote
0answers
148 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 ...
7
votes
6answers
2k views

Mechanic says not to use top three/bottom two gears or the chain will throw

I just bought a BTwin Fit 5, all stock, fresh from the distributor, Decathlon. Took it for light pacing at the store and things seemed OK. About 100 metres out the door, I shift up to the top end of ...
0
votes
2answers
51 views

Chain too wide for gap between chainring and chainring guard

I have a Seek 0 2013 and recently the chain has been stretched so far that it needed to be replaced. On the Giant site it says that this is sold with a KMC Z51 1/2" * 3/32" chain. I've since gone to ...
2
votes
2answers
129 views

Derailleur twitching in low gears

I had a mild spill today on my new bike, which put the (Tiagra) derailleur cage a little bit out of line. With some bending and eyeballing, I got the two jockey wheels lined up 'almost' perfectly ...
1
vote
2answers
206 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 ...
-1
votes
2answers
83 views

Looking for advice on upgrading

I have a Specialized Rockhopper SL. It currently has the Rock Shox Dart 3 front shocks and the Shimano HG-50 chain/crank set. I want to upgrade it cause when I hit that top gear and I'm going all out ...
6
votes
8answers
18k views

Chain slipping on newish bike

I've looked at most of the answers for related questions and they all speak about replacing parts that are old. I just bought a new bike from a friend who rode the bike for about a month before ...
1
vote
3answers
135 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 ...
3
votes
3answers
186 views

Chain falling off inner chain ring no matter how L screw is set

Bike is a relatively new Cannondale Carbon Synapse with the Ultegra 6800 groupset (although front chainrings are FSA). Has about 1000KMs on it. Bike has been great, but I went out on a ride today ...
6
votes
1answer
4k views

Upgrading wheels on a vintage Peugeot Frame

OK so I have a Peugeot Galibier bike that consists of a Reynolds 301 steel frame. A while back the original derailer gave up the ghost while riding, bending the rear-wheel spokes in the process. I ...
4
votes
3answers
638 views

Shorten or replace bicycle chain?

The chain on my internally geared hub bicycle is now too long even when the rear wheel is entirely pulled back. How do I tell whether it's sufficient to shorten the chain by removing some links, or if ...
0
votes
1answer
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 ...
8
votes
1answer
7k views

Chain slipping off derailleur jockey (need suggestions ASAP)

Last week, I had to abandon a training ride due to my chain slipping off my rear derailleur jockey. This would only happen when shifting, and most often when either shifting chainrings or shifting ...
3
votes
2answers
123 views

Is wear on this derailleur pic normal?

I have had issues with noisey drivetrain and inconsistent shifting despite indexing adjustment. I have found wear on the top jockey wheel cage, is this normal or should the chain not rub here? Does ...
4
votes
1answer
201 views

Do chains on single-speed last longer than those on geared bikes?

I have a Jamis Beatnik (love) and ride on the single-speed side of my hub. I'm wondering - derailleurs seem to me like they might 'stress' the chain (even if only slightly) more than single-speed in ...
6
votes
3answers
22k views

How many chain links do I need?

Looking for chains at ebay, I see, that they have 106, 114, 116 links and so on. I have a racing bike (2x7) and see, that chains are often announced as 6-7-8-speed, 10-speed, 11-speed. Since there ...
2
votes
1answer
151 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 ...
4
votes
3answers
477 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, ...
-1
votes
2answers
102 views

New chain snaps after shop service

I changed my chain on my bike last week for a new 9-speed SRAM chain. When I did this it became apparent that my cassette was worn beyond use, so I took my bike for a service at my local shop. They ...
4
votes
3answers
341 views

How do I re-insert a chain pin that has been pushed completely out?

While breaking the chain, I pushed the pin too far and pushed it out completely. Now the chain is too short. How do I re-insert this pin, or should I look for other options.
3
votes
2answers
187 views

Risks/problems of a short chain

I've put a new chain on my bike using method 3 from Zinn's art of road bike maintenance to determine length: "Wrap the chain around the big chainring and biggest cog without going through either ...
5
votes
1answer
188 views

Is it best to put oil on the inner or outer of the chain?

When I oil my bike chain, I oil the inside and the outside like so: 1. Oil here ▼ ___________________ / \ | 2. And oil here ▼ | \___________________/ Cycle on 1/4 of ...
2
votes
3answers
455 views

Chain skipping on new freewheel and chain setup - What went wrong?

BACKGROUND NOTE: The bike is a 1992 Univega MTB that originally came with 6-speed SIS with a triple chainring. I removed the SIS shifter when it broke, and went with a friction shifter. The bike is ...
17
votes
8answers
5k views

New chain is pre-lubricated, should I clean it?

My new chain is totally coated in lube. I would never ride a bike with a chain like this normally. All that goop is just going to collect flotsam from the road and wear out the chain. Should I clean ...
22
votes
3answers
6k views

Does the chain direction make a difference?

Recently, I helped a friend install a new chain on her road bike, and for the first time read the instructions for installing one. It seems to claim that there's a forward direction, and that it ...
1
vote
1answer
86 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 ...
1
vote
1answer
106 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 ...
1
vote
2answers
174 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 ...
3
votes
1answer
195 views

Brand New bike, chain slips into spokes on first gear

I just bought my first bike as an adult with the intents of biking to work. This bike is brand new, is the Schwinn Admiral 700c from Walmart. I get it home and whenever I shift into first gear the ...
5
votes
2answers
3k views

New Chain causing skipping on cassette - will this work itself out or is it unsafe?

I just installed a new chain on my 2002 Trek 2200 Road Bike. The old chain was a Shimano 9 speed that I installed 18 months and about 5000 miles ago. It had stretched modestly and was full of winter ...
13
votes
5answers
6k views

What is the easiest way to fix a loose chain?

Are there adjustments that can be made instead of replacing it?
1
vote
1answer
106 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 ...
3
votes
1answer
145 views

Chain Splitter vs. Chain Tool vs. Chain Breaker

What is the difference between a Chain Splitter and a Chain Tool and a Chain Breaker? Are they the same thing?
2
votes
1answer
177 views

How dirty should the chain and the cogs be before I should consider cleaning them?

I'm new to bicycling and have been riding for a month or so. I just saw a few questions here regarding cleaning of the chain and thought "whoa, I should clean the chain". How dirty (visually) should ...
0
votes
1answer
66 views

How to reuse a rim after the brake edge has been damaged [duplicate]

My chain fell of and got stuck a few days ago (i ride fixed gear) and made a real mess of my back rim. I noticed 2 marks on the brake edge of the rim where the chain scraped along. they are not very ...