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)

5
votes
2answers
798 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 ...
5
votes
1answer
166 views

belt vs chain for what matters performance only

Let's set apart all pros/cons of chains vs belts, like: ease of maintenance, need of a custom frame, cost, spare part availability, all of that: nope. This question is very focusing only on ...
5
votes
2answers
2k 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 ...
5
votes
1answer
224 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 ...
5
votes
2answers
437 views

Wiping extra Lube really important with all types of Lubes?

This question about chain maintenance during touring raised this quetion. This tip sounds very unintuitive, of course, I know that the extra lube will attract dust (not good to chain) but I have paid ...
5
votes
2answers
717 views

How do I prevent my chain from dropping down while going downhill on bumpy surfaces?

I have a Merida Duke 650 hardtail mountain bike. The issue with my bike is the chain continuously keeps coming out of gear while I am going down hill on bumpy surfaces. Is this happening because my ...
5
votes
1answer
346 views

Rotating two chains on one cassette

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, ...
5
votes
3answers
422 views

What happens when a bike has not had maintenance for a long time?

I recently traded my Kent BMX bike I got from Wal-Mart: for a Ross road bike ). My friend tells me the bike sat in his back yard collecting rust, I see it has rust on the chain, the gears, brake ...
5
votes
1answer
228 views

Why do some people leave the chain sitting on the smaller sprocket when the bike is not used for a while?

I guess it is something related to the springs in the derailleur. But is it that important?
5
votes
2answers
3k views

Chain drop under load

I have a problem. Today I was riding (flat-out) up hill, and went to shift up a gear on the rear, which caused the chain to drop off the front chain-ring (was in the big-ring, so dropped to the ...
5
votes
7answers
33k 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 ...
5
votes
4answers
4k 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 ...
5
votes
3answers
3k 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 ...
5
votes
1answer
130 views

My pedals are forced forward when the back-pedal brake is on

I have to backpedal in order to brake. But when I do this, it works for about 3 seconds and then there's some kind of noise and my pedals start going on their own. The momentum of my back tire would ...
5
votes
2answers
163 views

What does “chain binding” mean?

I'm reading on chain tensioning, the generic idea is that if the chain is too loose it will fall off, if it's too tight it will "bind". I'm having an hard time understanding what "bind" means in this ...
5
votes
2answers
309 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 ...
5
votes
1answer
287 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 ...
5
votes
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 ...
5
votes
5answers
566 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 ...
4
votes
6answers
4k 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 ...
4
votes
3answers
956 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 ...
4
votes
4answers
3k 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 ...
4
votes
2answers
2k views

SRAM chain with Shimano cassette and crankset?

When new my bike had all Shimano components. When it was time to replace the chain, the LBS installed an SRAM chain. Was that a mistake on their part (if so, was it a bad mistake)? I had a problem ...
4
votes
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? ...
4
votes
3answers
2k 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 ...
4
votes
2answers
347 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 ...
4
votes
1answer
594 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 ...
4
votes
4answers
794 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.
4
votes
2answers
997 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, ...
4
votes
2answers
107 views

What does “11-25” mean in the cassette description?

I need to replace the chain and cassette on my bike soon but I don't know what teeth to count. The Shimano Ultegra 6800 11 Speed Road Cassette - has 11 gears on the back so I know to go for the 11- ...
4
votes
2answers
334 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?
4
votes
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?
4
votes
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
votes
1answer
773 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 ...
4
votes
1answer
120 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.
4
votes
4answers
446 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 ...
4
votes
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 ...
4
votes
1answer
174 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 ...
4
votes
1answer
4k 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 ...
4
votes
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 ...
4
votes
1answer
467 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 ...
4
votes
3answers
3k 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?
4
votes
1answer
2k 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
votes
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 ...
4
votes
1answer
3k 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 ...
4
votes
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 ...
4
votes
2answers
75 views

Pedals won't turn normally following strange noises

My bike suddenly started creaking and squeaking very loud, and moreso the more pressure I put on the pedals. Then the pedals got stickier and harder to turn until I couldn't turn them at all. This was ...
4
votes
1answer
3k 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
votes
3answers
827 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 ...
4
votes
1answer
531 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?