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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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6 votes
3 answers
965 views

New bike-vibration in pedals

I just bought brand new Scott Sub Cross 10 mens city/crossbike. It has 30 gears and the same day after I bought it I went driving on an asphalt road and started to feel grinding/vibration in pedals at ...
Priit's user avatar
  • 63
2 votes
1 answer
96 views

Is it economically advisable to replace cassette and chain to protect the crankset?

My chain and cassette are both pretty worn after 2000 and 5700km respectively. My drivetrain is all steel, and the relative price of my parts chain-cassette-crankset are about 0.7-1-7 and front ...
WornChain's user avatar
  • 1,914
1 vote
1 answer
32 views

SRAM PC-1 quick link?

What quick link would work on this chain for my fixie? Are the SRAM 10 or 11 speed links compatible?
Steve's user avatar
  • 11
2 votes
1 answer
58 views

Chain rubbing the lowest point of the front deraillieur

Problem: when the smaller chain ring is selected, the chain is well centered in the front derailleur's bracket but is rubbing against its lowest part. See the shredded rubber remains there? It happens ...
Xpector's user avatar
  • 327
3 votes
1 answer
208 views

What's wrong with my campy derailleur?

I'm trying to tune my campy chroma 10 speed but it wont shift to either the 2 highest gears or 2 lowest gears. Could it be that the drivetrain is bent? Is this due to a bad hanger?
Yay Brizsle's user avatar
1 vote
1 answer
48 views

chain is skipping on cog. What's wrong?

Here are two video which is shoot by my high speed camera. Video 1 Video 2 My chain is brand new now. What's wrong here? Is it rear derailleur or cog?
kile's user avatar
  • 191
8 votes
3 answers
2k views

When I am pedaling harder on a slope, the chain sometimes skips or get detached

When I am pedaling harder on a slope, the chain sometimes skips or gets detached from the front chainring. I have several videos shot with high speed camera in order to record what was wrong here: ...
kile's user avatar
  • 191
2 votes
1 answer
225 views

I think my MTB chain is modified ( shortened )

I have a 2x9 crank and cassette system. And I can't get it to go on the last cog because my rear derailer is maxed out. I bought a used and altered MTB and I can see the chain is short. So typically ...
Brian's user avatar
  • 21
6 votes
2 answers
424 views

How do I attach this master link on the chain?

This is a master link with PYC brand. I couldn't figure out how to attach it on my chain as both pins are on the same side. Can you help me out? Also can you tell me for which speed this master link ...
Ender's user avatar
  • 2,084
4 votes
3 answers
155 views

Front derailleur at limit, but still heavy chain rub on cage

Back story: I bought a Giant Defy Advanced Pro 2 second-hand, with Shimano Ultegra components. The previous owner had used it with different components and had the original ones re-assembled before ...
Cedric Reichenbach's user avatar
1 vote
2 answers
50 views

My bicycle's front derailleur rubs with my bicycle chain

My bicycle's gears are 3x7 when i keep it on 2x1,2x2,2x3,2x4,3x1,3x2 or 3x3 my bicycle's chain rubs with my front derailleur on the left side. Is it normal ? if not then how can i fix that?
Yash 's user avatar
  • 11
3 votes
1 answer
70 views

Strategy for waxing (reinstaling) 12 speed chains

I'm curious about chain waxing and prolonging my drivetrain life, plus efficiencies, but have recently installed a 12 speed road groupset (Shimano). I assumed I would use reusable links to re-install ...
Swifty's user avatar
  • 12.8k
0 votes
0 answers
43 views

Weird noise when pedalling

I noticed a weird noise when pedalling. I had my road bike with me when traveling (airplane), and I just came back from a trip. I only had to take the wheels off when packing it. Once I assembled the ...
masterfan's user avatar
  • 121
3 votes
2 answers
248 views

Old chain and crankset, I can't replace the crankset yet, should I replace just the chain?

I have a racing bike that is riding very smoothly without problems. Recently I bought a few SRAM chains on sale with the idea of rotating them a few times under the same crankset before they get too ...
André's user avatar
  • 141
2 votes
1 answer
88 views

New chain periodically rides the gear teeth

I have a Dahon eezz D3 which I recently changed the chain. When I did the test riding, I felt that the pedal some how skipped or jump, more frequently on the lower gears (I believe that it happened ...
fronthem's user avatar
  • 143
3 votes
0 answers
52 views

How to connect quick link for 6/7/8 gears Shimano chain?

I recently ordered a new chain and I am having trouble connecting the quick link, which I also ordered (first time doing it). It seems the pin of the quick link won't stick out far enough to be able ...
bigboss's user avatar
  • 31
3 votes
2 answers
265 views

Chain lubes: Spray vs. Quick Applicators

Is a spray faster and easier to use than a felt roller (generic Lubri-disc) or a pad type applicator (No-Drip from Finish Line or No-Mess from White Lightning)? Refillable multipurpose aerosol can ...
user66598's user avatar
  • 1,097
0 votes
2 answers
151 views

I took my back wheel off and chain will NOT go back on

I took my back wheel off of my back to change the tube, when I put it back on i realized the chain wasn’t going back on the pedal, it’s very hard to explain it but it looks like a part of the chain is ...
Brock W's user avatar
7 votes
2 answers
2k views

Is there any reason why my 21-speed bike has 118 chain links?

I got a second-hand bike some time ago. It's a Zündapp Silver 2.0 with a 7-gear freewheel (Shimano MF-TZ21). Recently, the chain (probably KMC 1/2 x 3/32) has worn down enough to warrant changing. So ...
skytreader's user avatar
1 vote
1 answer
141 views

Chain / Chain wheel: D type vs sealed type

I have spent a good 30 minutes on this site but couldn't find anything pointing a clear idea. I bought a 26 inch, Dual suspension bike. It has a chainwheel of "sealed type." I asked the ...
PotatoGuy's user avatar
2 votes
1 answer
285 views

Will a Shimano Deore 11 speed chain work on a SRAM NX 11 speed drivetrain?

I went to a bike shop today and got a complete service and new chain. When I looked at the tax invoice, it said it was a Shimano Deore 11 speed chain, however I have SRAM NX 11 speed drive train. I ...
Jason's user avatar
  • 21
1 vote
3 answers
124 views

Chain type and chain alignment for a fixie single speed

I've got a 10-year old bike I'm trying to revive. It was a single speed that I converted to a fixie. I'm anticipating just casual riding on flat ground. It has an old-school looking Shimano SGX 46t ...
fronk's user avatar
  • 147
5 votes
4 answers
762 views

Chain drops when shifting up a gear at the front?

I've just gotten a new bike and run into a problem. When shifting from a smaller cog to a bigger one in the front gears, the chain consistently drops. The problem happens regardless of whether I'm on ...
SRJBike's user avatar
  • 51
4 votes
2 answers
701 views

Does a magic link or Powerlink require removal a regular chain link first?

Pulled a Shimano Ultegra chain off my bike for cleaning and noticed the mechanic had installed it with a pin and not a magic link. Because I have a magic link handy (and, if I'm honest, because I ...
user8162's user avatar
  • 241
0 votes
1 answer
81 views

I put my bike on the bus and now the chain can't stay on

I've never had an issue with my chain falling off until today. I put my bike in the bike holder in front of the drivers window. Perhaps something got knocked or moved? I could have a dirty cassette or ...
Tim 's user avatar
  • 1
6 votes
3 answers
1k views

SRAM quick link reuse

Sram says that their quick links should only be used once. I've installed new chains, had to shorten them and have broken the link more than once doing so. I've also continued to reuse them when ...
ebrohman's user avatar
  • 5,518
2 votes
1 answer
172 views

Chain rubs on a bigger cog on the cassette. Wrong spacing?

my kids mtb on the smallest cassette cog the chain rubs on the next bigger cog creating a harshness while using this smallest cog. I was looking at it and the spacing between the two smallest gears ...
Eric Wordel's user avatar
0 votes
1 answer
55 views

My Shimano EZ fire plus on the right side isn't shifting below 3 and the left one wont shift above 3

The shifters have been doing this since I got the bike a while ago, but the chain is also starting to fall of the gears when I'm riding it. I don't know how to fix this so can anyone help me?
Eli Geesaman's user avatar
1 vote
1 answer
83 views

Can I use a chain gobbler on my kettwiesel trike to accommodate shorter and taller Riders as I move the boom in and out?

My kettwiesel 2006 trike is set up from the factory to use a shorter chain or a longer chain depending upon the riders height and is shipped that way from the factory. An option from the factory is a ...
Michael's user avatar
  • 71
5 votes
2 answers
213 views

New chain -no grinding , new cassette and chain -grinding

I've got a second hand bike. Doubt it ever had a chain replaced. Before I replaced the chain, it had an awful grinding sound. On replacement the machine worked perfectly and smoothly. (It's a Shimano ...
LostInLondon's user avatar
4 votes
2 answers
755 views

Assembling cut off brand new chain links into one single chain

Would it be possible and viable to store the cut off links in every chain replacement and eventually link those together with a bunch of quick links to form a new chain?
Gregory Leo's user avatar
  • 1,305
5 votes
4 answers
728 views

GRX 2x11 - what causes the chain to bounce significantly when shifting the cassette into a higher gear (smaller sprocket)?

I recently set up a new gravel bike with all new components, including a 2x11 GRX DI2 drivetrain. 31/48 and 11-36t. It has ridden under 600 miles and only seen rain once. It is accident free and has ...
jonatans's user avatar
0 votes
1 answer
145 views

Chain repeatedly slips on rear cogs to next higher gear...and sometimes back and forth. What to adjust?

EDIT: Just to be clear, everything has worked fine with the bike and the Kickr up until a few weeks ago (that is, for about six months the combo has worked fine). So something's gone a bit out of ...
Cerulean's user avatar
  • 1,061
4 votes
1 answer
133 views

Gun bluing chains

Is it possible to hot blue chains for rust protection? I surmise there would be parts of a bike chain that are made using hardened steel (e.g. rollers and pins). Would this process affect their temper?...
Gregory Leo's user avatar
  • 1,305
4 votes
1 answer
355 views

New chain coming off under torque

I replaced the chain recently - the new chain unships violently when I apply a moderate amount of torque, such as when setting off standing. As in, it comes off the big ring to the outside (i.e. away ...
BenTaylor's user avatar
  • 173
3 votes
4 answers
3k views

Is it safe to use two masterlinks?

I have miscalculated the chain length and removed two necessary links on my chain. I have a spare masterlink. Would it be safe to use two masterlinks on a chain or do you recommend to re-attach the ...
Ender's user avatar
  • 2,084
1 vote
2 answers
494 views

Is my chain length correct?

I replaced my old chain with new one. Online chain calculators recommendation is 106 links. Currently the chain has 108 links. Do you think I should remove two more links? I'm not totally sure that I'...
Ender's user avatar
  • 2,084
2 votes
1 answer
104 views

Does this chain seem short? Does this photo indicate any obvious drivetrain issues?

Addition. Yes this is the large-large chainring. The shifting is rather poor but I have not tuned high, low and B, tension etc. Thank you I recently moved to a larger chainring. The shifting seems ...
Moishe Rokach's user avatar
6 votes
1 answer
477 views

Can't switch to biggest sprocket after the upgrade

I have upgraded some components of my old MTB's drivetrain as it had a Deore crankset and Alivio rear derailleur but 7 speed cassette, shifters and chain for a long long time. Now they are all 9 speed ...
Ender's user avatar
  • 2,084
2 votes
1 answer
2k views

Chain Length 11-34 cassette

I am looking to replace my 11-30 Shimano 8000 to 11-34 hg800 cassette. My current chain is 108 links with my 11-30 and works fine. Would this be long enough for the 11-34 cassette without changing the ...
Jon.H's user avatar
  • 21
7 votes
3 answers
341 views

Chain Links remain raised (i.e. sticky link)

I was trying to adjust my rear derailleur but I heard a noise. I found that when the chain went through the pulleys one link of the chain stayed up and made a noise. How do I fix this?
Alberto Murgia's user avatar
3 votes
4 answers
182 views

Chain rub on chainstay when in smallest front crank and highest gear

I've just bought my son a 2nd hand Orbea MX 27 (thought it was an MX40 but the groupset is consistent with the tech specs of the 2020 27). It was hardly used so doesn't appear to be age / mileage ...
Robert W's user avatar
-2 votes
1 answer
119 views

Which chain replacement to use for Cube Aim Race?

Bike is "Cube Aim Race", 29 inch wheels. My chain is so dirty and got rusty, I am bothered to clean it. I actually put a lot of effort into cleaning it, and now I am considering to REPLACE ...
Vladimir Despotovic's user avatar
1 vote
3 answers
205 views

Best chain cleaning solution for a chain that is not fully detachable from the bike

I have a bike chain which is not completely detachable from the bike, i.e., it doesn't have the quick link on it, so I cannot remove it completely. However, I can take off the rear wheel so that the ...
Vladimir Despotovic's user avatar
2 votes
0 answers
162 views

Bicycle chain roller diameter size chart?

I'm digging for a while now, and can not find any helpful chart for chain roller diameters e.g. Shimano 8,9,10,11,12 speed. It differs of course depending on the manufacturer and the purpose. We know ...
guyfromthesun's user avatar
8 votes
4 answers
2k views

A 9 speed quicklink fits an 8 speed chain, and feels secure, but is it?

I snapped a chain today, on the errand bike near work (in traffic, but luckily not uphill). That's 8 speed, and I have a lightly used 8-speed chain (Shimano). I don't have any 8-speed quicklinks, ...
Chris H's user avatar
  • 59.9k
0 votes
0 answers
56 views

Damaged carbon fibre [duplicate]

My chain dropped and got stuck in my bottom bracket while I was going uphill. I think the force from the pedal stroke damaged the carbon fibre. Wondering what is recommended when something like this ...
Jocelyn's user avatar
0 votes
1 answer
649 views

Can I use WD-40 or WD-50 to clean Cube bike chain?

Can I use WD-40 or WD-50 to clean a bike chain?
Vladimir Despotovic's user avatar
0 votes
0 answers
50 views

Band New Front Gear Shift Issue

I brought a bike a few days ago and barely rode it. Every time I did I noticed that the chain would slip in the front gear going to a larger chainring, in this case it's gear 2. 'Funny thing is I took ...
Michael Smith's user avatar
3 votes
3 answers
1k views

9 speed chain on 8 speed derailers to reduce chain rub

I'm getting some chain rub on the hardest gear in the front and 2 hardest gears in the back where the chain hits the front derailer cage outer side. When I spin the pedal it seems like the chain is ...
Lightsout's user avatar
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