Repairing, maintaining, or replacing the chain on your bike that connects the front of the drivetrain (cranks, chainrings) to the back (cogs, cassette).

learn more… | top users | synonyms (1)

15
votes
3answers
1k views

How bad is cross chaining?

Accepted wisdom is that cross chaining is bad and that we should never do it. However, most of us set up our bikes so that we can run any gear combination. Invariably, I'll occasionally look down ...
2
votes
2answers
488 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, ...
1
vote
2answers
75 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 ...
0
votes
1answer
45 views

I removed the drop-out adjusters… Do I need to adjust my derailleur or add chain or both?

I have an old 1998 Lemond Zurich, and I recently purchased new wheels. The old bike had drop-out adjusters. When I added the new wheels I felt like my bike was rubbing against the brakes, then all of ...
2
votes
3answers
127 views

Remove front derailleur without breaking chain

I recently purchased a Diadora Orbita bike from SportChek. As I was riding it my front derailleur got bent and now I can't use my pedals. So, my question is, can I remove the Shimano FD-TY18 front ...
0
votes
2answers
73 views

Mechanism to draw rear wheel back and tighten chain stuck; oil not helping, what's next?

I have a bicycle with an internally geared hub (Rohloff). To tension the chain, I loosed the attachment of the rear wheel (dropouts), draw back the rear wheel, and tighten the attachment again. ...
20
votes
7answers
9k 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 ...
9
votes
10answers
17k 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 ...
18
votes
9answers
28k views

What to use to clean your chain (and cogs)?

I've just tried cleaning my chain and cogs with some really hot water and washing-up liquid. I also used a toothbrush, j-cloth and a non-scratch scourer. After over an hour of some serious elbow ...
2
votes
4answers
653 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 ...
0
votes
0answers
40 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 ...
3
votes
2answers
366 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 ...
1
vote
4answers
204 views

Chain falls to the outside of the chainring, but I can't reproduce the problem

I have a Dahon Speed P8 that I use for touring Japan, which has about 3000km on it. The bicycle has 8 gears on the back, and 1 gear on the front. Note: I love riding my bike, but honestly (and ...
2
votes
2answers
524 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. ...
7
votes
9answers
29k 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 ...
0
votes
3answers
85 views

Chain skip happening seemingly at random with a new chain

My bike's a 24-gear trail/road hybrid, and I've had it for about three years (although I've been riding it much more lately than in previous years). For a long while, I've had an issue with chain ...
5
votes
3answers
6k 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 ...
12
votes
6answers
3k views

isn't a fixie without a full chain guard a safety hazard?

Yes, I know it would totally ruin the clean lines and the uncluttered, (well maybe just a discreet front brake), looks, but I've never seen this question asked, much less answered. A chain guard ...
0
votes
0answers
74 views

Bike feels like it is getting stuck when I start pedaling or increase pressure as I go up hills

My bike feels like it is getting stuck when I start pedaling or increase pressure as I go up hills. Of course, I checked to see if the brake we're rubbing but they are completely free of the wheel. ...
0
votes
2answers
69 views

Chain length. how long or how many links

I measured from the middle of each sprocket and it's 17 inches. Not sure what length of chain I should get
6
votes
3answers
304 views

Is the durability of more expensive chains better than cheaper ones?

Do expensive chains last longer? I get 300-400 miles using Wally World's $10 8 speed chains while riding off road or dirt. I monitor and replace the chain at close to 1 percent stretch. Would a ...
2
votes
1answer
82 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 ...
0
votes
0answers
53 views

skipping on new chain/ cassette

I have a new chain/ cassette that is causing the chain to skip /jump randomly on an MTB I use for commuting and is driving me mad with the following symptoms: I can physically see the chain hop on ...
5
votes
7answers
28k views

Problem with chain skipping without trying to shift (even with new chain and gears)

I have a mountain bike where the chain intermittently skips when put under load on the middle (and very rarely on the smallest) chain ring. It is not related to shifting. I've taken several steps to ...
7
votes
8answers
6k 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 ...
5
votes
1answer
2k views

How to mount SRAM snaplock?

I am trying to join PC-1 SRAM chain, it has such snaplock: And the problem is, the distance between holes is slightly less (IMHO) than distance between the pins. Every hole on its own fits any pin, ...
4
votes
4answers
621 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.
0
votes
5answers
148 views

new chain skipping

I put a new chain on the older bike, measured it up with the old chain, but did not change the cassette. Unfortunately I am able to crank the pedals with the bike standing still on the ground with ...
5
votes
2answers
1k views

What to do about a stuck chain link on 10 speed chain

I put a new chain on my bike and after 3 rides or so, I developed a stiff link. I'm not sure what caused the issue, but now it barely bends at the pin at all, unless forced. It causes skipping ...
0
votes
4answers
226 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 ...
0
votes
1answer
255 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 ...
-1
votes
2answers
114 views

Rear derailleur mess up PLEASE HELP. Im helping a 64 year old cancer patient. Very important

The old man next door painted his bike today. He took the deraileur off the bike to do so but did not remove his chain. The chain does not have a master link and neither one of us can financially ...
1
vote
3answers
106 views

Chain length and cassette tooth count relationship

A little context first: I'm going to be riding in the French Alps and plan to tackle some of the classic climbs (Alpe D'Huez, Galibier, etc) next month - I currently have a Campagnolo Athena 50/34 ...
3
votes
1answer
65 views

'1 1/8' vs '1/2 1/8' chain/chainring

Some 1/8 chains and chainrings are sold as "1/2 1/8" and some as "1 1/8". What is the first number describing? My understanding is that practically all modern chains have a 1/2 inch pitch.
0
votes
1answer
70 views

Time to replace chainring?

I ran a squeaky chain for a while on my bike and subsequently destroyed the chain and the cassette. Both were swapped out at the exact same time for a new chain and cassette. Now I am afraid that ...
4
votes
2answers
455 views

Chain drops in smallest gear under load

I'm baffled. I installed a new chain, cassette, cables and housing yesterday. On the stand, all is happy and shifting is silky smooth. On the road all seems happy except on the bigger cogs in back (in ...
4
votes
1answer
3k views

Formula to calculate Single Speed Chain Length from Chainring Size, Cog Size, and Chainstay Length

I've seen formulas to calculate chain length for multi-speed bikes, but I need something for single speed. Example: 42T Chainring 17T Cog 406mm (16") Chainstay Length The answer in this case should ...
5
votes
2answers
2k 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 ...
1
vote
1answer
67 views

Chain keeps slipping

I was pedaling my bike, the bike has never been used and sat in the garage through winter. While I was pedaling I switched gears and adjusted the pressure I needed to pedal (don't know what this is ...
0
votes
1answer
68 views

Need help picking the right rear derailleur and chain for Giant Escape 2

Product page for the bike i have: http://www.giant-bicycles.com/en-us/bikes/model/escape.2/14810/75679/#specifications I'm not able to make sense of the variations of shimano altus derailleurs, ...
2
votes
4answers
434 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 ...
3
votes
1answer
70 views

Campagnolo Record C9 / Shimano CS-HG200-9 incompatibility

I drive cheap Shimano cassettes together with Campagnolo Record C9 chains. Yesterday I installed a new C9 and a CS-HG200-9. But the chain sort of slips over the sprockets, not unlike really worn ...
1
vote
1answer
61 views

Easiest way to remove a chain master link / masterlink

When I'm breaking a chain with a master link (to remove the chain from the bike), usually I can do it with my hands by pushing the links together until the master link comes apart. But sometimes it's ...
4
votes
3answers
2k 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?
10
votes
2answers
10k 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 wheel. This would only happen when shifting, and most often when either shifting chainrings or ...
1
vote
1answer
62 views

Chain Replacement

I'm having a hard time finding an appropriate replacement chain for my bike. Its a 21 speed, Wal-mart brand mountain bike. My local bike store has chains that were up to a 10 speed. I know I need a ...
0
votes
2answers
124 views

Bent front-derailleur

I biked to school today with my bike in perfect condition. Locked it up and went to class. When I went to my bike a couple hours later, the derailleur was bent out of position. My bike's front gear ...
1
vote
2answers
110 views

Why is my big chainring is so scratched form the inside?

I have noticed a lot of scraping on the inside of my Trushift 44T plate. Is it just a function of distance, time and color or is it a clue that something is not working properly? The bike was bought ...
5
votes
6answers
2k views

Unable to pedal when in high gears

I'm a complete novice with bicycle maintenance and have a slight problem. I just picked up a 2nd hand bike as taking part in a charity event this weekend and an unfortunate accident meant my mine was ...
3
votes
2answers
2k views

Can you use Shimano 11 speed chain pins on a 10 speed chain?

I want to purchase a spare pin for my Shimano Ultegra 10 speed chain. Looking around I can only see 11 speed pins for sale. Can I put these into a 10 speed chain?