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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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 ...
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2answers
278 views

Help with cassette, worn or not?

I have done exactly 2879 km on my cassette, and currently I got myself a new chain which is a third for this cassette. With first chain I made 1985km, but I already noticed a significant degradation ...
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1answer
253 views

I shortened my chain, is this bad?

H, I'm pretty new to bike maintenance. This weekend I tried breaking my chain to clean it. This went well up until I accidentally popped the chain pin out and as a result had to remove a link. This ...
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2answers
2k views

How do half link chains perform for long term use?

i was wondering if there is anyone with a Rohloff hub riding half link chains for longer. OK, the hub isn't essential it's just a single speed chain, so experience from anyone who rides more than the ...
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5answers
486 views

When to lube a chain?

Should a chain be lubed each time after riding in the rain*? What about a 100km mudride (occasional water up to the hubs)? Should I stop in the middle of the ride to re-lube the chain? If so, is it ...
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2answers
765 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 ...
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6answers
3k views

What's the most useful style of chain gauge?

I see that there are three kinds of chain wear gauge: The basic kind. I'm used to using this kind: The hook style. Supposedly provides an indication of how worn the chain is. I've used these and ...
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3answers
867 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 ...
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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 ...
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3answers
1k views

Why are 10 speed chains so expensive?

I've noticed that 10-speed chains cost 2.5 times as much as their 9 speed counterparts. Is this just because there isn't much demand for these, so the manufacturers can justify the ridiculous expense? ...
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3answers
1k views

What's the loss of effective output, with a worn chain?

I was just bought a new fine ultegra chain for 10 speed road race bike. This is actually the first new chain for this not so old bike. I am a fan of statistics, measuring power with a power unit on my ...
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2answers
316 views

New to bicycles; Bad setup, bad bike, or too heavy?

I purchased a Schwinn Meridian adult tricycle hoping to have a flexible means of exercise. After giving it a close look, I tried it with disappointing results. When pedaling from a stop, the chain ...
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1answer
445 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 ...
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4answers
623 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.
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2answers
838 views

Why does the chain tension vary as pedals are turned?

I have a new single-speed bike (after purchase this year, it was unused in a garage for a few months), but as I turn the pedals, the tension in the chain varies noticeably. What should I check, ...
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2answers
1k views

Reusable gloves for bike repairs?

I'm looking to degrease/lube the chain, adjust disc brakes, clean, etc. at home, but don't want to get my hands dirty. (Zinger alert.) Are there any special re-usable gloves for this kind of bike ...
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3answers
21k 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 ...
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2answers
256 views

What type chain lube should you use in a sand and salt water enviroment?

I rent bikes in remote beach locations. What lubrication will reduce rust and sand accumulation?
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2answers
3k 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?
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4answers
2k views

Eliminating chainslap on a 90's Stumpjumper

I have a mountain bike - a Stumpjumper hardtail frame with a Shimano drivetrain - where I'm getting a good amount of chainslap. Before I start fiddling with stuff, I'd like to understand the problem ...
4
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1answer
299 views

Rotating 2 chains on one cassete

I clean my chain on the bicycle, mostly because taking it off for a bath, drying, etc seems to take more time than I have. But maybe I could use 2 chains in rotation, I would take one chain off, ...
4
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1answer
704 views

Is my front derailleur angled straight?

I am attempting to adjust my front gears and have also been following a video to adjust the high/low position of my front derailleur. The issue I am having is that the low adjustment is no where near ...
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4answers
397 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 ...
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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
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1answer
2k 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 ...
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1answer
172 views

Replaced tyre and tube, now the rear gears will not stop

Just put on a tyre and innertube, fits perfectly, but now when I stop pedalling the gears at the back keep moving so the chain just sags down so much that it hits the wheel etc. Any ideas on how to ...
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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 ...
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2answers
1k views

Squeaking sounds after lubricating the cogset and chain

My bicycle didn't produce any squeaks until the last weekend, when I decided to make a little maintenance. First, I used "Easy Clean" spray from the White Lightning brand to clean the cogset and the ...
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1answer
367 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 ...
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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?
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2answers
3k 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 ...
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1answer
2k views

What would be the “definitive” formula to calculate chainstay length from sprocket size, chainring size and number of chain links?

Before I started to write this answer, I thoroughly read this question, its answers and comments: How do I calculate the diameter of a chainring from the number of teeth? So, my question tries to ...
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3answers
1k 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 ...
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1answer
1k views

What went wrong with my bottom bracket spindle length calculation?

Here's the facts: My bike frame requires a 70 mm Italian threaded bottom bracket I'm going to use a Nuvinci N360 IGH which requires a chainline of 49 (± 0.5) mm. I have Andel fluted cranks, which ...
4
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1answer
2k views

Why is 2nd largest rear cog making clicking noise?

I have constant clicking noise from the 2nd largest rear cog on my cycle. It starts as soon as I shift into the 2nd gear either from 1st or 3rd gear. I have checked the following things - 1. Cable ...
4
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3answers
645 views

Cold weather chain lube?

My Rock N Roll Gold bike lube seems to get solid or gelatenous when stored on my unheated, but enclosed porch at colder temperatures. Is a chain lubricated with this product still going to be ...
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1answer
483 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?
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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 ...
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votes
5answers
1k views

Properties with Belt-driven Chains?

This reply about belt-driven belt got my interest here. It does not need lubrication at all according to the replier. What are other properties with belt-drive chain? Where does the idea come from? ...
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6answers
387 views

Why bother changing a chain?

I have heard often that you should replace a worn chain, that a chain lasts somewhere between 800-1200 miles, and that if you don't replace the chain on time, you'll need to replace the cassette when ...
3
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4answers
929 views

What should I look for when buying chain lube / lubricant?

In the past, I personally have only used WD-40. However, I have occasionally had my bicycle looked over at the locally run, free service sessions and most of the mechanics there use a hand applied ...
3
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5answers
1k views

Are single-speed bikes better equipped to handle cog/chain wear?

I need to decide between a single-speed and multiple-speed bike. I usually ride multiple-speed mountain/city bikes in the highest gear anyway (around town). They're not intended for that, and doing ...
3
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7answers
3k views

What are the benefits of nickel-plated chains?

Bicycle chains with higher model numbers (and slightly higher prices) are often nickel-plated or half-nickel-plated. What are the benefits of nickel-plated chains over non-nickel-plated chains? How ...
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4answers
384 views

Is it necessary to buy a special tool to open the chain lock

I've installed a chain lock to my chain. It looks like this (mine is not KMC): Now I need to unlink the chain to clean it, but I can't do it: the lock is too tight. I found a special tool on ebay ...
3
votes
2answers
612 views

I have a broken my drive side crankarm - what do I need to do?

I recently had to dash home for a minor emergency. I noticed that one pedal was a bit wobbly but I had no choice but to push on. Once I got home and the emergency had been dealt with I noticed that my ...
3
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1answer
200 views

Decoding Chain Descriptions

When you see chains advertised, they are specifically noted to be for 11-speed or 10-speed bikes or something similar. Does this mean the they are for bikes with any front cog configuration but only ...
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1answer
679 views

Should I remove the chain before installing new rear derailleur?

I want to put a new Sram X7 instead of killed one, should I open the chain (if I have no chain lock) or it's better to open the derailleur?
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4answers
6k 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 ...
3
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3answers
1k views

Are chain-drive gears 'ridiculously' efficient even when dry of oil?

Allegedly chain-drive gears are something like 99% efficient when well oiled and something like 98% efficient when without oil. Personally I do not like the noise a dry chain makes, this has a 'I ...
3
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2answers
291 views

Chain with master link / quick connect link doesn't clear rear derailleur

Bought a chain with a master link (packaging said quick connect link), it looks just like this: This bit however won't fit cleanly through my derailleur, it snags on the wall right as it goes onto ...