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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7
votes
2answers
1k views

How to maintain chains during touring?

I think requirements are reusable, simple, small-size and things-to-easily-to-carry. There are exotic answers with chain clearers and other things that do not qualify to me simple. Perhaps, the ...
3
votes
3answers
537 views

Which durable Chain Breaker?

I bought the cheapest chain breaker, XLC 10EUR, and its head got loose on the first try (maybe due to my poor handling or it is not well-done product). I was on the journey and had to get it so did ...
11
votes
1answer
923 views

Do I need to change my cassette if I can't see any wear?

I bought a new road bike with Campag Athena 11 speed in March last year. To the end of Jan it had covered 9000km. In all that time I hadn't changed the chain because I don't have the Campag tool, and ...
3
votes
1answer
218 views

Should I use an already master-linked chain or add a masterlink to a plain chain?

Trying to find moderately-priced 9-speed chain is a pain, particularly with a master/missing link already installed. I can only find PC-971 master-linked chains from US market but shipping and ...
3
votes
1answer
348 views

Are all 9 speed chains compatible with all 9 speed systems?

My current chain is x9, but it's expensive in eBay. Can I use any 9 speed chain like on this page?
21
votes
2answers
4k views

How to know when to change a chain?

A bike shop employee used a tool he said would check the wear on the chain, and said that it should be changed. He said it took a measurement that meant the chain had expanded, but it is still hard ...
11
votes
2answers
497 views

How do you evaluate and choose chain lubricants?

Terms such as wet/dry/xyz/winter/summer/autumn lubricants are not well defined. I find it very hard to determine which bottle is worth buying, spray, bottled, wax, parafin, purple, green, Y (other ...
5
votes
2answers
734 views

Are lighter chains worth the cost?

I'm replacing chains on a number of bicycles, and trying to decide what chains to purchase. I'm a fan of Sram's master links, so I'm comparing the Sram PC-971 to the PC-991. The PC-991 is ...
4
votes
3answers
14k 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 ...
5
votes
8answers
10k 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 ...
7
votes
1answer
1k views

If the chain/cog no longer drives the wheel, can this be fixed?

Suddenly (without anything sounding like it was broken) the chain no longer turns the back wheel. The cogged part of the wheel is turned by the chain but this doesn't turn the wheel. Is this ...
6
votes
6answers
419 views

Are there brands that sell weather-resistant chains?

I have to bike in bad weather and especially at work i have no way to store my bike in a dry place, this means that my bike chain picks up rust like nothing else, forcing me to clean it a lot. Now i'm ...
8
votes
1answer
590 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 ...
6
votes
3answers
1k views

Single speed conversion chain keeps derailing rear cog under load?

The chain on my SS mt bike keeps coming off the rear cog under load (like when I hit a steep hill) it will hold right after it's tightened but after a few hills it starts coming off non-stop. Talked ...
6
votes
1answer
275 views

What is a sign that my chain needs to be lubricated again?

I just cleaned my gears, derailleurs, and chain. Lubricated the chain with Teflon dry lube. When will I need to re-lubricate again? Will I hear the chain make sounds? Do I do a visual inspection?
6
votes
5answers
748 views

Is it possible to put a chain on without removing the rear wheel?

I have a bike with a single chainring up front and an internal hub and a coaster brake in the rear. (For those unfamiliar with this setup, it's essentially like having a single-speed bike in that the ...
10
votes
3answers
2k views

Why is my chain so noisy after cleaning and lubricating?

I have recently gotten into commuting to work with a road bike. Once a month or so I will degrease, clean, and lubricate the chain. I change through all the gears to distribute the lubricant and ...
14
votes
4answers
4k 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 ...
9
votes
2answers
6k views

How can I tell if a chain has a master link?

I need to remove the chain on my internal-hub cruiser to clean it (i.e., no rear or front deraileur), and I'd rather not remove my back wheel if I can avoid that. What do I look for to find the master ...
16
votes
2answers
1k views

How do I lubricate my chain?

I know I should lubricate my chain regularly. I got some lube at my LBS; how should I apply it? Do I just drip some on one spot, and turn the pedals around a few times to spread it out? Drip it all ...
5
votes
2answers
564 views

Do you need to lubricate gears after cleaning gears and chain?

I just cleaned my gears and chain with a biodegradable degreaser. I'm going to lubricate my chain. Do I also need to lubricate the gears or do I just pedal and make sure that I hit all gears? Will the ...
6
votes
2answers
88 views

What factors affect the price of a chain?

Just like most bicycle parts, chains have a pretty wide price range. What are the factors weighting in on the price of a chain ? (Other than width/bike-compatibility characteristics)
13
votes
8answers
8k 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 ...
6
votes
5answers
2k views

Will using dry lube and wet lube together give you better protection/performance than from using just one of them?

I think the only way to use them together is to put on dry lube first and then wet lube. Will the wet lube hold? Will applying both give you the best that each has to offer? Update Just found this ...
6
votes
4answers
3k views

How much distance can I put on drivetrain components?

I figure the jockey wheels on my derailer will last nearly forever, but what about the rest: cassette, chainrings, and chain? How many miles, kilometers, or furlongs do they normally last? I know ...
9
votes
2answers
2k views

Problem with chain `skipping` (but not trying to shift)

I have two bicycles that suffer this problem, both pretty heavy frames (one a ladies, Hollander bike, and the other a man's commuter) - both have correctly adjusted Derailleurs which don't produce any ...
15
votes
7answers
12k 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 ...
10
votes
5answers
3k 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 ...
7
votes
2answers
190 views

What considerations are important when purchasing a new chain?

Are there any special types out there or are they pretty much all the same?
6
votes
2answers
2k views

How can I keep my chain from falling off the inner chainring? (specifically, from getting stuck in the bottom bracket)

I've got a mountain bike which occasionally drops the chain off the lowest gear, and then the chain gets stuck in the bottom bracket. This happens while pedalling. Once the chain is there, it takes ...
10
votes
6answers
3k views

Best chain lubricant for commuter/utility bikes?

What's the best chain lubricant for a bike used for riding in normal(ish) clothes, year-round? I've been using Tri-Flow, but that tends to leave black greasy/dirty stains on pants, shoes, etc. I've ...
8
votes
4answers
2k 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 ...
8
votes
3answers
802 views

How tight should my chain be?

I recently put new tires on my bike, and in so doing, removed and replaced the wheels. It seems that now my chain has more slack in it than before, and if I pedal backwards while in the smaller cog ...
8
votes
1answer
531 views

Chain clicks when the back wheel is in highest and lowest gears

When I have my back wheel gears in either the lowest gear or highest gear, my chain clicks as I peddle. How do I fix this?
5
votes
4answers
2k views

Quiet and strong chain recommendation for fixed gear commuter bike

I went through a couple of chains on my fixie bike, but I was not too happy with any of them. Basically they seemed pretty noisy when more pressure was applied where cycling. Could you recommend one ...
23
votes
5answers
11k views

How often should I lube my chain?

I ride less than 200 miles a week, and I'm at about the 200 mile mark on my new road bike. Most of my riding is done on the road in an urban city, so there is a lot of odd, unnatural debris. My LBS ...
18
votes
5answers
6k views

How do I reduce slack in the chain of a single-speed bicycle?

I have a single speed bicycle that has some slack in the chain and threatens to come off. How can I reduce this slack?
13
votes
4answers
5k views

What is the easiest way to fix a loose chain?

Are there adjustments that can be made instead of replacing it?