Questions tagged [chain]

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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2
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0answers
107 views

Slight crackling sensation apparently due to the chain sticking to the cassette teeth

I've just assembled my bike, so it has hardly been ridden (less than 200km) and all the components are new. Everything works perfectly, except an unpleasant very slight crackling sensation when I ...
5
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3answers
1k views

How strong is a chain link? How about half a chain link?

I had some intermittent clanking noise on yesterday's ride, thought the chain just needed cleaning and derailleur aligning. But got home to find that one side of one chain link had broken, so only the ...
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1answer
63 views

Chain seems to slip under pressure?

While I was riding I went to stand and it felt like the chain busted or came off! I jumped off and turned the pedals by hand and they turned fine but any pressure at all and it slips... any ideas ? I ...
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2answers
248 views

compatibility for a new cassette and chain

My cassette and chain have worn so I need replacements, My cassette is a 10 speed 12-30 and it says on it shimano hyperglide cs 4600 - I have struggled to find this and I don't think they make it any ...
1
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1answer
66 views

Visual chain identification

I have a second hand bike and the chain doesn't seem to work well with the 11 speed cassette fitted. It almost seems too wide to fit in the sprocket gap. Are there any visual signs on a shimano chain ...
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2answers
121 views

Chain “jumping” every few crank rotations

After a few pedal-strokes the rear derailleur completely gives out and the pedals drop to catch up. After much googling it says the most common thing is rear derailleur adjustment is needed, so I have ...
4
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2answers
241 views

Chainguard vs front mudguard to protect the chain from spray

My local bicycle mechanic advised me to get mudguards (such as the ones in Image 1) to extend the life of my drivetrain and protect it from spray in the winter. If I have £20 to spend on either a ...
17
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9answers
2k views

How does one wipe clean and oil the chain? (maintenance details)

This may sound like a dumb question -- I know how to oil a bike chain, but apparently not how to do it correctly. I have a relatively new gravel bike, a Giant Revolt, which I ride (on tarmac) about 25 ...
3
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1answer
120 views

Do tyre savers made of a chain catch debris as effectively as tyre savers made of a wire? Are they practical?

I get a lot of slow punctures in my rear wheel (I think mainly from glass), so have been looking into installing a cheap tyre saver there. They are meant to catch the debris before it gets pushed into ...
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3answers
93 views

Rear derailleur doesn't go to smallest cog

I'm sure it is a simple fix to this, but please bear with me. I have recently swapped my rear wheel on my bike (with an identical one, keeping the same cassette). Upon putting it back in, I noticed ...
5
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2answers
78 views

Chain length differences between 1X and multi-chainring setups

When determining correct chain size, one common technique is to install the chain (without passing it through any derailleur) onto the largest front and rear sprockets. Then, determine the shortest ...
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2answers
134 views

How can I reduce Chordal Action

I have an indoor, wheel on trainer - while indoors I notice the Chordal Action in the chain. The Bike is a couple of years old now - I have replaced most consumable parts except, chainrings, bottom ...
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2answers
78 views

10 speed chain skipping on 9 speed cassette

I have recently replaced a 9 speed chain with a 10 speed one on a 9 speed cassette. I read this is compatible. Shifting is fine and quieter but it is now jumping on the smaller cogs 6-9.Is this a ...
8
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5answers
2k views

I failed to replace my chain at the proper interval. Will I have to replace my whole drivetrain?

My bicycle is a 2012 Specialized Secteur. It has 6000 miles (10000 km), and I have never replaced the chain. I recently began noticing that the chain always seems out of alignment with the rear ...
5
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2answers
1k views

Do I need a chain breaker tool to install a new chain on my bicycle?

Do I need a tool, or will the chain have the correct length? For example, my biggest cog in the rear is 34T and the biggest chainring at the front is 42T and the chain has 116 links. Is a chain with ...
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2answers
44 views

Will a 3x10 or 3x9 front derailleur work on a 6/7 speed chain?

Will a 3x10 or 3x9 front derailleur work on a 6/7 speed chain? Can't seem to find a good MTB front derailleur for 6/7 speed chain. Tourneys won't do it for me
5
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5answers
828 views

Marking chains permanently for later identification

I'd like to mark chains so that I can identify each one out of a few chains of the same model. Any idea how I can do this in a way that will survive exposure to solvents / lubricants / use on the ...
3
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1answer
54 views

7/8 speed quick link on 6 speed chain?

I have a 6 speed freewheel with a chain which says HG on it. Can I use a 7/8 speed quick link on my chain?
2
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2answers
192 views

What size chain for Shimano CS-M7771-10 (11-36T) cassette?

What width chain is compatible with this cassette? I've seen non-Shimano chains online claiming compatibility with all Shimano 10-speed cassettes but their stated widths (nominal? actual?) don't have ...
5
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3answers
324 views

Do I need to shorten chain when fitting a new smaller cassette?

My current cassette is 11-36 and I want to change it to 11-32. Can I stay with my current chain or I need to modify my current chain to fit the new cassette?
3
votes
1answer
140 views

Chain skipping on upper pulley of rear derailleur

Background: I have a full suspension mountain bike with SRAM GX Eagle components. I snapped my chain recently, and replaced it with a new one of the same model. Made sure to size it the same as the ...
3
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1answer
117 views

Gears switch automatically on smart trainer

I need some help. I am a newbie when it comes to bikes, so feel free to ask me anything needed. I bought this bike half a year ago. I recently bought a smart trainer (Tacx Flux S Smart), and ...
9
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3answers
1k views

What's the power loss to a squeaky chain?

I've got an almost new chain, but forgot to oil it before today's ride. It would probably have been fine except for repeated dunkings in muddy water early on. Later in the ride it developed a ...
0
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1answer
97 views

Click sound when I pedal hard

I have click sound when I do pedal hard and uphill. I tried to troubleshoot: Tighten my pedal. Tighten my crank. and I tried to remove my chain on and tried to add force to left pedal and it clicks, ...
3
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3answers
330 views

Worn out chainring or missing tension

This is a follow-up to the question I need to replace a cassette for CS-HG500-10 but want to go XT Yesterday I replaced the cassette, as well as the chain and the jockey wheels and went for a ride. ...
8
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4answers
1k views

Quick link too easy to remove after installation, is this a problem?

As I always do, I've used a an 11-speed KMC quick link to close my 11-speed chain. However, this time the quick link was particularly easy to fit (and similarly very easy to remove). Is this an issue? ...
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7answers
549 views

How to improve the degreasing process?

My Situation : I degrease my drive train occasionally and absolutely hate the job. I also maintain my dad's bike, so this whole degreasing thing is really getting on my nerves now. I use solvents such ...
6
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3answers
974 views

Is sanitizer an effective degreaser?

Thanks to COVID lockdowns, things are shut and I'm anyways miles away from larger market areas. What I do have is litres of sanitizer, the kind that is watery in consistency (not gel-like) and is ...
2
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3answers
404 views

Breaking and reconnecting modern chains

I started riding in the eighties back when derailleur chains didn't come with quick link connectors (master links). Since that changed I've been using my chain breaker to get new chains to the ...
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1answer
137 views

Premature chain wear GX Eagle

After 300 km GX Eagle chain is at 0.5% wear which indicates to me I have to buy a new chain? Is this normal? How to prevent it or advice for better chains? I mostly drive MTB in the woods in Belgium ...
0
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2answers
49 views

Chain drops off outwards betweeng plastic guard and last cog on crankset

Chain drops off outwards between plastic guard and last cog on crankset. This effect i mostly managed to remove by moving front derailleurs inside (not happened since). But looks like the core issue ...
2
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2answers
94 views

Can an 8 speed chain fit inside an 11 speed Shimano 105 (RD-R7000 ) rear derailleur?

I am using downtube friction shifters, I know my shifter's pull of 28.5 mm multiplied by the Shimano 105 RD's pull ratio of 1.4 gives me 40mm of travel, enough to traverse the entire width of my 35 ...
3
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2answers
191 views

If the original lube that comes on new chains is so good, why don't we all just have a unified perfect chain lube?

See the following link to read about peoples opinions about new chain wax/lube (and when to remove it): New chain is pre-lubricated, should I clean it before use? Can we buy this chain wax/lube that ...
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0answers
44 views

Fixing up a rusty old Rallye mountain bike

I bought a Rallye mountain bike from Facebook Marketplace last year and did most of the major overhauling then as well. It was covered in mud, gunk, rust, had broken pedals, etc. So I had replaced the ...
6
votes
1answer
287 views

What bike chain size do I buy?

A friend gave me his old bike which I'm fixing up to use. It has no chain and I've never replaced one before so I'm wondering what size I need to buy to replace it. The Bike is an Apollo Avio, it has ...
1
vote
3answers
680 views

Chain slipping on smallest cogs (bigger chainring, new chain)

I recently switched my SRAM 1x12 Eagle SX drivetrain from a 30 to 34 direct mount Chainring. I also bought a new chain to accompany with it. Chain length was measured as the sram service manual ...
17
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9answers
2k views

What would happen if I don’t replace worn drivetrain components?

What would happen if I took a entirely new drivetrain and just never replaced anything? Of course, I’d keep it clean and lubricated. With 11 and 12 speed chains being as expensive as they are, the old ...
1
vote
1answer
168 views

KMC Z7 chain for 8 speed cassete

Can I use KMC Z7 chaing (1/2 x 3/32) on 8 speed cassete Sunrace MFM-56? When I changed the old chain with KMC Z7, the smallest sprocket and the largest are fine. But in the between the shifting is ...
2
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2answers
126 views

How to reset my gears after the chain slips off?

I don’t know much about bikes so whenever my chain slips off I always just force it onto the cog I can get it on. I think this has been messing my gears up because I’m having issues where Cycling in ...
5
votes
2answers
553 views

Chain rubs against frame when in smallest rear cog

I've set up a 12-speed SRAM Force groupset with an XDR cassette. When in the smallest rear cog, the chain rubs against the frame: Does anyone know what causes this and how to fix it? The frame is a ...
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2answers
105 views

What features should I look for in a chain?

I have noticed there are many manufacturers of chains and most have several different chains of varying cost in their lineup. How to select a chain from the huge amount of available chains?
2
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1answer
166 views

Chain alignment on jockey wheel

Going over the lower jockey wheel (see first picture), my chain rubs against the inboard side of the cage and sometimes snags. It is a brand new derailleur (Shimano Acera M360) and a new derailleur ...
10
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3answers
489 views

My derailleur completely “opened” up. It is now almost a straight line. What have i done to my derailleur?

I had a flat on the side of the road. So I took my wheel off to replace the tire with a temp to get me home. When I reinstalled the wheel, the derailleur "opened up" completely...what have ...
2
votes
1answer
96 views

Occasional chain slipping/skipping - is it possible for the hub to be at fault?

So I have this problem for a while now, at first I thought its badly indexed gears, worn chain, worn pulleys, bent hanger etc, etc. But after changing majority of stuff still have this slipping stuff. ...
4
votes
2answers
110 views

New chain skips when old chain was replaced at 0.75% mark

I have a 3x8 hybrid bike that I use for commuting. I clean and lube the chain about every 200km, and regularly check it for wear using a chain cheker. I usually manage to ride between 1300 to 1600 km ...
4
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2answers
142 views

Changing crank set

I’ve managed to totally knacker the thread on my crank due to a poorly fitted pedal and it’s looking like a new crankset is required. Will I also have to change the cassette and chain?
1
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1answer
53 views

Bottom bracket harder to turn half way around

does this sound like a I need a new bottom bracket ? When I turn my cranks with no chain attached, it's pretty smoothe, no real noise and just goes for a while if I let it spin. When I attach the ...
3
votes
1answer
154 views

How do I fix my front derailleur?

Complete cycling novice here so apologies if this is a stupid question. I went over a bump whilst cycling and knocked my chain off. I think in the process of trying to fix it I must’ve knocked the ...
0
votes
1answer
58 views

Determining if there is too much chain tension on 1x setup with XT clutch derailleur

I've outfitted my 2016 Giant TCX with a 1x 42t in the front and 11-40 in the rear. I'm finding that with the clutch engaged shifting into the 40t in the back is "harder" and it feels like ...
1
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0answers
73 views

Schwinn Meridian Trike clicking

So I just bought a bike for my first time as an adult, yay! More specifically I got a Schwinn Meridian trike. Just got it together yesterday and it rides fine but when I ride it or roll it forward it ...

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