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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3
votes
4answers
476 views

Will an 1/8' chain and cogs wear slower than 3/32' chain and cogs for single speed / fixed gear setup?

Will an 1/8" chain and cogs wear slower than 3/32" chain and cogs for single speed / fixed gear setup? What about using an 1/8' chain mismatched on 3/32" chainring and cogs?
7
votes
5answers
275 views

I live in a place where it frequently floods. How can I keep my chain from rusting?

My poor bike's chain lasted all of three months before it gave in to the winter floods where I live. Storing it indoors is not an option, and despite my maintenance efforts, the knee-deep floods that ...
1
vote
1answer
111 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 ...
0
votes
1answer
397 views

Shimano Ultegra chaninrings on Truvativ Elita Tandem crank

I'm attempting to replace the chainrings on my Cannondale Road tandem. The crankset is a Truvativ Elita Tandem (52-39 10 speed big/middle ring). The new rings are Shimano 6603 52-39 rings. I swapped ...
8
votes
3answers
24k views

What cleaner and oil should I use on my bike chain

Hope everyone is well. I need to clean and oil my chain as its getting a little clunky when I’m changing gears. I have no idea what I should be cleaning it with and then what I should oil with. Any ...
14
votes
8answers
11k views

How can I clean sand off my bike chain?

Recently went for a ride in the forest, there were sections of sand and I can clearly see sand on my bike chain now. How can I clean this off effectively? There are chain cleaning "machines", but ...
1
vote
2answers
2k 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 ...
5
votes
1answer
405 views

Can I flip my worn chain to extend it's life?

Assuming my chain is showing that it's worn and getting close to needing replacement due to chain 'stretch'. I know you can flip single speed chainrings to extend their life when they become worn. Can ...
3
votes
4answers
5k views

Replacing Crankset. Do I need to replace chain? Then do I need to replace cassette?

Over the past year, my road bike's crankset has gotten pretty bent up and out of wack. Not due to abuse, just wear and tear I guess. It's pretty bent and has a nice wobble that I can see as I look ...
5
votes
2answers
7k views

Upgrade Shimano from 9- to 10- speed

I'm thinking of upgrading the 9-speed Tiagra rear mech on one of my (road) bikes to something, still Shimano, but 10-speed. The obvious replacements I'll need are cassette, right-shifter and chain. ...
6
votes
3answers
5k views

Apart from the size, is there any difference between chains for derailleurs or for single-speed / internally geared hubs?

I might need to replace my bicycle chain (see this question). The store where I've bought components before (cyclecomponents.com) seems to be entirely marketed to derailleurs, and I have an internally ...
2
votes
4answers
662 views

Chain replaced but bottom jockey wheel “jumps”?

I have a 10speed MTB and replace the chain using a powerlink. Now the bottom pulley wheel makes like a jumping kind of movement. It is not smooth. Also when in my small ring in front I get chain ...
3
votes
1answer
234 views

Checking fixie for damage

This morning during my morning commute I had an unintended lesson in fixie skidding: I dropped the chain, it got stuck between the cog and the hub and locked the wheel. I'm not sure where that skill ...
4
votes
2answers
2k views

My chain appears to be squeaking when I ride it forward but not backwards

At first I thought I just needed to lubricate my chain, so I degreased it and just re-lubed it very thoroughly. It's still squeaking. I thought it could maybe be a derailleur pulley issue, but I ...
9
votes
5answers
2k views

Do I need a new chain after 1300 miles?

I have a Boardman Airpro and probably need a new chain having done about 1,300 miles with it. The bike is used for leisure and commuting and therefore goes through all weathers. I also keep the ...
3
votes
3answers
2k views

Why is my chain riding up and skipping teeth on the freewheel?

Due to a number of reasons, I would like to keep my freewheel at all costs (It's a Sachs freewheel, the bike has all sorts of more 'vintage' components, and they're hard to come by). From reading all ...
2
votes
2answers
211 views

Had the front derailleur adjusted, now it feels like the rear is skipping

Here is the short version. I'm all for adding more once I know what that more is to help answer said question. I work on the road. I take my Felt ZW75 ...
1
vote
2answers
225 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 ...
6
votes
5answers
3k views

How to Sight a Chain Line

I just finished building a single speed bike and I think my chain line might be a little off. Is there a tool or trick to sighting the chain line?
11
votes
7answers
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 ...
1
vote
4answers
4k views

Can I use gear oil on my chain?

I don't have any chain oil right now, but I have some gear oil left over from working on my car. Would it be an effective chain lubricant? It's listed as 80W90, but reading the Wikipedia article ...
2
votes
2answers
851 views

Which master links for 1/8 inch aka BMX chains?

It was very easy to find master links for 3/32inch (aka 9-speed chain) but I cannot find them for 1/8 inch (aka BMX chain). My chain is the Nexus CN-NX10. Cannot understand the odd observation that ...
3
votes
2answers
1k views

How to break reinforced Shimano pin?

Sorry if my technical English is a bit imprecise. I just put on new Shimano CN-HG53 chain. I joined the ends not with regular pin, but with provided reinforced one (like one of those below). The ...
0
votes
1answer
78 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 ...
3
votes
2answers
686 views

What is causing noise/vibration high power input on right hand (drive side) crank?

I am getting a repetitive grinding sound/slight vibration while fully mashing on my Kona-humu single speed. Description of Problem This grinding is more similar to what you would hear from an ...
15
votes
4answers
5k views

Is it possible to fit a chain guard to a bike with derailleur gears?

I've been slowly going through the process of converting my old hardtail mountain bike into a commuting bike. One of the things that I'd like to do is to fit a chain guard so that I can ride the bike ...
2
votes
2answers
7k views

How do I figure out which size chain my fixed gear bike has

My fixed gear bike is going to want a new chain soon, how do I figure out which width I should use?
2
votes
1answer
594 views

stiff gears and chain coming off while pedalling forward (hub gear)

So I recently replaced the back wheel's tyre on my bike. Got it all fitted back on again, and the chain and everything are in place as they should be. However, changing up gears has become very stiff ...
4
votes
4answers
377 views

Chain slipping off a non geared bike

I have a normal ranger bike without gears, I've had this bike for quite a while now, been 8 years. But recently it's chain has started slipping off. I have maintained it well, changed the chain a ...
0
votes
2answers
4k 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 ...
5
votes
4answers
2k views

Chain skipping on some gears

I have an old cruising bike with 21 gears. A few months ago I was pedalling back home when my chain broke, and I was only able to get the chain replaced this week. After having it replaced I noticed ...
6
votes
8answers
18k views

Are there substitutes for chain lubricant?

With long journeys and particularly during winter I have noticed that the salt erodes the chain very quickly, even when I have lubricated the chain beforehand. When you are missing proper chain ...
4
votes
2answers
2k views

how do you make a chain longer with a simple chain breaker?

I was replacing a chain and managed to cut the chain too short. Is it possible to make the chain longer using a simple chain breaker? If so, how?
5
votes
8answers
11k views

Should you use GT85 on your chain?

I've been told by various sources that WD40 is bad for your chain so have avoided using it. I've seen people using GT85 on their chains but I'm not really sure how the two products differ. So my ...
4
votes
3answers
2k views

Is a self cleaning lube enough for chain maintenance?

I've been trying to figure out what I should use when cleaning my bicycle chain. When I first purchased my bike, I knew I needed to lube my chain when i did regular maintenance. I purchased some ...
4
votes
1answer
1k views

Why does my chain keep jumping off the front chainring on my 1x9?

My chain has a tendency to frequently jump off the front chainring. I have a 1x9 so it's not a front derailleur issue. It generally happens when I hit something like the lip of a driveway or sidewalk ...
2
votes
4answers
293 views

What is causing phantom shifting on front chainring?

I have a steel cyclocross bike which doubles as my weekend bike and my daily commuter. About a month ago I got in a wreck and bent the rear derailleur hanger and the rear derailleur. Got the hanger ...
-1
votes
2answers
252 views

the derailer is touching chain and it won't let me go past 14 speed supposed to go 21 speeds

The derailer on my 21-speed bike looks like it's bent. It won't let the chain go onto the 3rd ring of the front derailer so, no I can't shift past the 14th speed. If I try it makes a loud sound, like ...
4
votes
2answers
710 views

Can you reverse the sprockets on a cassette to lengthen its lifespan?

I know my bike's rear cassette needs replacing, but before I do that, is it feasible to dismantle the 8 sprockets to reverse their spin? Can you increase the lifespan of a cassette by letting the cogs ...
8
votes
1answer
782 views

Setting chain length

My chain broke and in a moment of silliness (I was cold wet and slightly annoyed) I threw the broken one away before thinking about measuring the new one. Is there a guide to getting the chain ...
4
votes
3answers
3k views

Replacing the front derailleur: unlink the chain?

If I want to replace the front derailleur on an already set up bicycle (replace SRAM Apex with SRAM Force), do I have to unlink and relink the chain on order to thread it through the FD cage? Or can I ...
4
votes
3answers
20k views

Heavier Thicker Chains and Gears for Winter due to Salt?

I have two bikes: one having gear-things outside and one with inner-hub. The gear-outside-bike has suffered a lot due to the salt during this winter, the other hilariously looks like a new one. I ...
1
vote
1answer
695 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 ...
10
votes
5answers
4k views

What type of chain lube is best for winter riding?

I've read a lot about wet vs dry chain lube and there doesn't seem a definitive answer on whether to use wet or dry chain lube in the winter. Some forums are full of people saying they only use dry ...
4
votes
4answers
2k views

Should I use a master link?

I just ordered a new KMC X10SL Ti 10 Speed chain for my bike. And I am wondering if I should use a master link or not. In the past I have had much trouble with them. I used to use them on my 9 ...
1
vote
1answer
947 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?
0
votes
2answers
219 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 ...
-1
votes
1answer
207 views

Chain fell out of rear derailleur when wheel off.

I took my rear wheel off to fix a flat and hung the bike up by its front wheel to store. when I returned to put the tire back on the chain had slipped totally out of the rear derailleur, caged jockey ...
5
votes
3answers
10k views

How to tell what length of chain to get?

I am replacing the chain on my road bike soon. How do I know how many links to get? Does it have to exactly 114 or 116. Or is it not a big deal? I ordered a 116 link chain. Will I need to shorten ...
1
vote
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 ...