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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2answers
59 views

Bike chain slips off sprocket as I pedal during repairs. Any idea why?

I am having an issue with a 26 inch Beach Cruiser. Everything was put together by a bike shop however one of the chains slipped off the sprocket during transport home. When I went to put it back on, ...
1
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1answer
31 views

Chain replacement - how many links 114/116?

I'm replacing an (exact same) Shimano 11 speed chain, the cassette is Shimano Ultegra 11-25T . There are 54 links that look like ()(). What size of chain should I order : 114 or 116 ? I'm going to ...
0
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1answer
59 views

Chain skipping and falling off the front gear [on hold]

I did a lot of research and took my bike to couple of shops but I couldn't solve this problem. When I am riding the bike, chain seems to be skipping and occasionally falling off from the front ...
6
votes
1answer
113 views

timing chain keeps dropping/derailing only with partner

For a volunteer project biking with blind riders (NiewidomiNatandemach.pl), we've been partnered up and provided a tandem bike, that seems new enough and in good condition. Unlike the guy behind ...
2
votes
2answers
205 views

How should the chain be routed on this deraillier?

I feel dumb asking this, but how should the chain be routed around the cogs on this deraillier? I had to split the chain and then put it back on. I didn't pay attention to how it went round. This is ...
4
votes
1answer
170 views

Is it possible to over-clean a bike chain?

I've seen it suggested that cleaning a chain too often or too thoroughly is bad for it, in that it removes the lubricant from the innermost parts of the chain, where it's most needed and most ...
3
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2answers
233 views

1x Specific Chain

I was shopping around and noticed the presence of 1x specific chains for the specific cassette size (9, 10, 11). Is there actually something special about these changes or is this just marketing? 1X ...
4
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2answers
94 views

Chain skipping mid cassette after a clean

I have cleaned my chain and gears with rubbing alcohol and towels. Afterwards, I applied some chain lube on the chain. Now, when under a lot of torque, the chain skips and slips mid-cassette. Low ...
2
votes
1answer
68 views

How to change front gearing

So I have a bicycle that has a single front gear, but many back gears with a derailleur. I am wondering if I change the size of the front gear (like significantly), meaning if I get a bigger front ...
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2answers
119 views

I cleaned my cassette and changed my chain, now my freehub is slipping. What are the possible causes? [duplicate]

I removed my cassette, cleaned it and put a new chain on my mountain bike. All seemed to go well and went back together nicely. However when I took it out for a ride the free hub seems to be slipping ...
3
votes
1answer
75 views

If chain/ BB/ casette are dead can chainrings and derailleurs still be OK?

I bought a brand new bike last May (2015 Brodie Elan) and proceeded to put 11,000km on it by November (cross Canada ride plus some commuting). Around the 11,000km mark I brought it back to the shop ...
0
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1answer
56 views

What tool is needed to remove KMC X11 w/MissingLink, 11-speed chain?

I need to take it out and then clean it- its full of sand. Maybe even replace it. Does any universal chain tool work. Should I get one from the manufacturer.
3
votes
1answer
30 views

Replacing rusty crankset

I am trying to replace a rusted crankset for a friend's hybrid and I was wondering if I get the same ratio set would I have to change the mechanism as that's fine.
0
votes
1answer
63 views

My chain snapped ,need help [duplicate]

My chain broke today and I want to get a new replacement for it I just don't know what size I need my bike has 3 gears in front and 6 in the back which I'm guessing is an 18 speed and if you can leave ...
7
votes
7answers
285 views

why would my chain slip on the road, but not when the bike is on a stand?

The chain on my bike has started to slip a lot -- every couple of seconds when riding. It happens, as far as I can tell, in every gear, and is unrelated to shifting. The precise nature of the problem ...
0
votes
1answer
65 views

How to tell the size of a bike chain? [duplicate]

My bike's chain broke, so I have to replace it now. The question is - how can I tell what size chain do I need to buy so it fits the bike? It's a 5 gear internal-hub bike.
2
votes
3answers
104 views

single speed mtb chain slipping

hey i am new here and i was just wondering if anyone can help me out with the problem of my chain keeps slipping when i pedal a little bit hard. I took my bike to lbs and they said that my chain was ...
3
votes
3answers
154 views

Cranksets for tandem with internal gear hub

I am thinking about assembling a trekking tandem bike. I would like to use an internal gear hub and put both chains on the right side of the bike. I have some questions about the cranksets: What ...
4
votes
2answers
141 views

Chain hops off cassette sprockets when I stand-pedal

When I pedal while standing, the chain hops off to a smaller cog. This happens when I "tilt" the bike, as we do when stand-pedal. I am not really sure why this happens, but I think the chain is loose. ...
1
vote
0answers
36 views

Chain vs seatstay with a 50T Chainring - BMX frame

I plan to put a 50T chainring on my bmx but I am afraid to have an interference between the chain and the frame. Does anybody know what is the critical distance between the seatstay and the chain so ...
0
votes
3answers
58 views

I have a bike with a ratio of 3.11 to 1, how many links do i need in a chain? [duplicate]

I legit just broke my bike chain riding it. One of the links just snapped and i wanted to replace it with a brand new chain that will hold up better. How many links do i need in that new chain so that ...
4
votes
3answers
124 views

How to measure and cut chain

I am currently building a road bike. I measured the chain using the largest ring and largest cog method, I counted two extra links and cut the chain using a chain tool. Both ends of the chain now ...
1
vote
2answers
56 views

Rear Cassette worn + needs replacing - what other components to replace?

I have picked up a bike (Specialized Allez) recently that has a very worn cassette from not replacing the chain for an extended period of time. Therefore am looking to change it. I was wondering what ...
4
votes
3answers
118 views

Chain length when swapping between cassette sizes (11-28 and 11-23)

Currently I am running a semi compact 52/36 up front and a 11-28 at the back. I'm planning on getting a 11-23 cassette for criterium races, and have the 11-28 for hillier rides. Will there be any ...
2
votes
1answer
91 views

Chain slips to lower gear when pedaling backwards

I have a hybrid 18 speed bicycle which is able to shift through all gears on both the front and rear sets of gears. When on the largest gear on the front set (by the pedals) the chain will try to ...
1
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0answers
51 views

Chain comes off full suspension 20" folding bike during casual rides- not derailleur issue

I have just acquired a like-new (ridden 3 times) 20" folding generic full suspension bike- front fork enclosed springs and rear coil spring/piston with tension adjustments by locking plate screw on ...
2
votes
2answers
143 views

Chain falls off all the time when I want to shift from small to big front ring

90% of the time when I shift from the small front ring to the big one the chain falls off to the pedal. Why is this happening? This is a dual click, SRAM Rival. Shifting on a back wheels perfect, no ...
0
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0answers
148 views

Please help me understand why the back wheel doesnt spin

My bike has some problems and I hope you guys can help me fix it. Some weeks ago, the lock of my bike got frozen (bc of -30 degrees), so I decided to pour some hot water to the lock to defrost it. I ...
3
votes
3answers
185 views

How good or bad would chainsaw bar lubricant be as a bicycle chain lube?

A former cow orker asked me this today - and I don't have a good answer. He has access to plentiful quantities of chainsaw bar lubricant, the stuff that helps a chainsaw's chain move around the metal ...
1
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3answers
100 views

If I am using DRY lube, do I need to clean my chain between applications?

Do I need to clean the chain before reapplying dry lube if I am only using dry lube?
5
votes
3answers
1k views

Why don't standard bike chains have inner/outer combo links so odd chain lengths are possible?

I noticed while at an amusement park that on the roller coaster, each link of the chain has what can be considered a combination inner and outer plate. The side plates are somewhat diagonal so they ...
13
votes
5answers
2k views

How do you count the number of links in a chain?

I thought this was a simple question but apparently there is some confusion - and it's good to have a basic question to refer people to. How many "links" are in these short bits of chain: Image A ...
5
votes
4answers
342 views

Can Park Tool CG-2.2 kit work with the bike upside down?

I've recently acquired a new bicycle with coaster brake and internally geared hub. Naturally, I'd like the bike to last as long as possible. Unfortunately, the local weather seems to be stuck in ...
4
votes
2answers
137 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- ...
7
votes
3answers
478 views

Chain lube that won't repaint my legs?

Because I have sometimes spent a lot of time digging around for bike parts and only discovering the existence of something awesome after many hours of browsing, I'm wondering whether there could exist ...
0
votes
1answer
80 views

Changing the entire chain gear mechanism

I have a Lapierre shaper 100. I am looking to change my entire chain mechanism as some of these parts need to be changed. I have selected my components, and I am hoping you can tell me if these ...
4
votes
2answers
93 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 ...
3
votes
1answer
190 views

Chain coming off with internal hub gear bike - why?

I have a Raleigh Caprice bike, about 7 years old, with sturmey archer 3 speed hub gears. There have been some problems with the hub gears in the past 9 months, which have been fixed by a mechanic. ...
2
votes
3answers
96 views

Should I change my chain? It broke once, but its condition seems rather good

Expanding a bit on the title, I ride a 27.5" KTM Peak XT with a 3x10 setup. The chain I'm currently using is of unknown provenience (it was already there when I bought the bike, and it wasn't new). ...
5
votes
1answer
229 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 ...
1
vote
2answers
106 views

chain jumping when puilling away in a higher gear

I replaced the rear cog as the chain I had snapped and I thought it had taken some teeth off. Now when I pull away in 1-3 gears it's ok, but if I am in gears 4-7 and I try to pull away ( say I have ...
7
votes
3answers
664 views

Do aluminium chainrings/cassettes contribute to chain wear?

In trying to achieve a long lasting, low maintenance drivetrain, I've read statements about aluminium oxide being the source of the black colour of chain dirt and also being highly abrasive: ...
1
vote
3answers
206 views

Effect of salt on bike chain

I have seen other questions on this forum where preventive measures against salt water on bike chain are discussed. I have seen them in context to rusting. What I want to ask is that, rusting will be ...
2
votes
2answers
541 views

How to assemble bike chain with no Master link?

I just bought a KMC chain on Amazon, and to my surprise, it didn't come with any kind of master link or connecting pin. I thought this was standard. So, did I just forget to order the part, or can you ...
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votes
1answer
106 views

automatic gear shifting (slack chain) when reverse pedalling

I'm quite new to bikes. Thanks to youtube I fixed some of the shifting issues I had in the front derailer and now I can shift to all the gear combinations. But I found a something strange when I'm ...
7
votes
2answers
201 views

What are the consequences of a chain that is the wrong length?

I changed the chain on my bicycle before doing any proper reading on it, and I did not check whether the chain was the correct length. It seems to be working ok... but what could potentially go wrong? ...
5
votes
1answer
152 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 ...
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2answers
341 views

How to change 2x11 to 3x11 on mtb

Hey I was wondering how you would change a chainset from 2x11 to 3x11 on a Carrera Fury (SRAM components) Thanks
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votes
3answers
159 views

Bike chain is skipping when pedaling with force [duplicate]

I've been having this issue for a few months, and it's getting more and more prevalent. When I'm pedaling with force, particularly when standing, the chain slips, which is annoying, counterproductive, ...
5
votes
2answers
881 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 ...