All Questions
Tagged with derailleur chain
93 questions
9
votes
2
answers
2k
views
Simultaneous clang, hesitation and drop when I pedal with any weight
Background: New chain, new bottom bracket, new front derailleur, new shifters, new brakes.
This is a cheap Walmart Mongoose that I'm trying to keep riding and upgraded some of the components recently, ...
- 364
0
votes
1
answer
77
views
How to properly adjust rear derailleur for Wahoo Kickr?
I have a Merida Escultura 100 connected to a Wahoo Kickr (with the rear wheel removed, of course). I've ridden this combination for over a year and had the derailleur adjusted more or less so there ...
- 51
7
votes
3
answers
4k
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 ...
- 131k
12
votes
2
answers
23k
views
Moving from Shimano 9- to Shimano 10- speed
I'm thinking of changing the 9-speed Tiagra rear mech on one of my (road) bikes to something, still Shimano, but 10-speed.
The obvious replacements I'll need are cassette, right-shifter and chain. But ...
- 6,747
0
votes
1
answer
204
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 ...
- 1,081
1
vote
2
answers
254
views
New(ish) bike chain slack when backpedalling or cruising
I bought a bike from Target a week ago (Yes, I get it, cheap department store bikes are terrible). It's been working okay until I tried using it again today after a 3 day break.
In that time period, ...
- 6,747
7
votes
3
answers
388
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?
- 8,134
8
votes
1
answer
2k
views
Chain is loose and rubs the upper part of the chain stay
I noticed that my bike's chain is rubbing the chain stay when I use the lower gears.
The bike is new; I'm wondering what the problem is.
- 31
3
votes
5
answers
43k
views
Why does my chain slip off the chainring when cruising or back pedalling?
My bike is a little more then a year old (although I do put a lot of miles on it, about 12 miles a day), this problem seems to have started about a week ago. It's a 7 speed Avilon Next (a cheap brand ...
5
votes
4
answers
5k
views
Shimano 105 R7000 drivetrain makes crackling sound
I got an Shimano R7000 groupset and have the following problem:
After degreasing my chainrings (54 – 36) and the cassette (28 – 11), the drivetrain makes normal noise. However after around 30km, the ...
- 6,747
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 ...
- 2,750
3
votes
2
answers
211
views
Front derailleur struggles to shift to smallest chainring, when it eventually shifts, the chain goes too far and falls out
So i am trying to adjust the front derailleur limit screws and cable tension, but i can't get it to shift smoothly. It is struggling to shift the chain to the smallest ring, especially under torque, ...
- 11
1
vote
1
answer
155
views
My daughters chain keeps falling off
The derailleur is not feeding the chain to the cassette properly it comes off the cog about half way round and gets spat off the cogs completely.
It looks like the derailleur is bent outwards which ...
- 8,134
15
votes
3
answers
9k
views
How efficient is string bike? Is this really a revolutionary bike?
Bicycles are getting evolved with good technologies or methodologies as the period changes. Now, this one bike, so called string bike has been introduced, which doesn't have chain, derailleur but ...
- 2,331
6
votes
2
answers
3k
views
What can cause the chain to stay attached to chain-ring at bottom causing it to ride up and jam in the frame ("chainsuck")?
I'm looking for possible/likely causes of an issue with my front chain-rings on my bike. It's a 3x8 setup and the problem is worst on the smallest front chain-ring, and worse again when combining ...
- 13k
6
votes
4
answers
2k
views
Advice needed to upgrade my groupset to make climbing easier
I have a Canyon Ultimate CF SL 8.0 Ultegra Di2 2020 with a rear 11/30 cassette and a 52/36 chain ring. It has a short cage rear derailleur (Ultegra Di2 R8050 SS short cage). I do long distance cycling ...
- 191
4
votes
1
answer
3k
views
New bike is making rattling noise
Brand new specialized rockhopper 2022 is making rattling noise.
Sample:
Is this normal or could it be a manufacturing defect?
- 13k
2
votes
2
answers
2k
views
Is it normal that my front derauiller and chain rub when I take my bike off my trainer?
I have a direct drive trainer and the directions say when taking the bike on and off the bike to take shift the bike into the hardest gearing (cross chaining even). This is the smallest cog in the ...
- 29.3k
2
votes
3
answers
846
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 ...
- 131k
4
votes
2
answers
1k
views
I want to covert my bike from a 7 to 9 speed. I have a Shimano 600 derailleur. Will this work or what would you advise as affordable upgrade?
I want to covert my 7 speed to 9. Currently I have a Shimano 600 derailleur. What parts do I need to make this work?
- 15.8k
6
votes
2
answers
2k
views
What are the long-term effect of riding with a chain that's too short?
I bought my bike late November 2017, and have been riding it with the same chain ever since. I've only done very light riding with the longest rides I've ever done amounting to 60km. Last week, I took ...
- 36k
8
votes
4
answers
8k
views
Chain cassette noise
Hello fellow cyclists,
I just bought a new Home Trainer that has a Shimano 105 Cassette.
My Bike has an Ultegra drivetrain with less than 600km (375mi).
I have checked the wear of the chain which ...
- 91
1
vote
2
answers
8k
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 ...
- 161
9
votes
5
answers
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 ...
- 47
3
votes
1
answer
2k
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 ...
CommunityBot
- 1
1
vote
2
answers
493
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
- 2,875
26
votes
11
answers
9k
views
Are there real-life alternatives to the chain+derailleur combo?
I was reading an article about the CeramicSpeed’s Driven concept and, while not interested in the efficiency part, the chainless system reminded me of something I was wondering for some time: are ...
0
votes
2
answers
363
views
Why does my Shimano Deore SLX dérailleur not rotate into the expected (vertical) position?
I have a Scott E-Genius 730 Plus mountain bike (around three years old). I had a chain snap recently, so I have replaced the rear 10-speed cassette, and am now trying to route a new chain correctly. I ...
- 86
0
votes
1
answer
146
views
Chain catching after derailleur change
I am trying to figure out why my chain is catching with each revolution. You can see it in this short video
[
- 75.9k
1
vote
0
answers
45
views
Chain length with new derailleur
I bought a 8spd chain and am putting it on a 7spd bikes. I thought I could use either a seven speed or eight speed chain. But it looks like the chain is way too long should I take out some links if ...
- 831
3
votes
2
answers
8k
views
Bottom jockey wheel on rear derailleur keeps skipping chain
Basically the angle between the bottom and top wheels is too great causing the chain to skip to the outside of the bottom wheel under force. If I use the higher adjustment screw on the shimano ...
- 11.3k
3
votes
2
answers
952
views
Is it possible to move my rear derailleur so that it does not touch the chain?
My chain is touching part of the rear derailleur. Is it possible to move the derailleur so the chain does not touch it?
CommunityBot
- 1
0
votes
1
answer
809
views
Chain crunching after degrease and lubrication
I did the usual degrease and lubrication on my mountain bike today but when I tried to ride the bike later on I heard pretty bad crunching sounds.
The sound is definitely coming from somewhere around ...
- 75.9k
14
votes
6
answers
6k
views
Mechanic says not to use top three/bottom two gears or the chain will throw
I just bought a BTwin Fit 5, all stock, fresh from the distributor, Decathlon. Took it for light pacing at the store and things seemed OK. About 100 metres out the door, I shift up to the top end of ...
- 14k
2
votes
2
answers
2k
views
Vintage bike, new chain
I've refurbished a vintage bike and I switched the old derailleur with a new medium cage tourney derailleur, the chain is also new and is 114 links long, which should be fine since me largest cog on ...
- 1,379
3
votes
2
answers
909
views
Derailleur and back wheel alignment issues
I've got a very old used bike. It has a bunch of issues I'm trying to fix at once: the derailleur is not keeping the chain tight only in certain gears, the back wheel wobbles slightly and over time ...
- 131k
0
votes
1
answer
214
views
Upper pulley too close to chain [duplicate]
Today i put my bike on my tacx home trainer.
I heard a lot of ticking on my chain, so after viewing my setup i recognized that my upper pulley is too close to my chain when it's on the smallest cog ...
- 88.2k
1
vote
1
answer
115
views
Chain and derailleur question
I inherited a Motobecane Nomade with no derailleur. I am trying to replace the missing derailleur and chain. I was given a Shimano SIS Tourney rear derailleur long cage and front derailleur and ...
1
vote
1
answer
251
views
When I am pedaling hard my chain jumps but doesn’t go to higher or lower gear
I have this problem with my bike when I put an amount of pressure on my pedals the chain kinda jumps but doesn’t change to a higher or lower gear and it usually happens when I go on 3X7 and 3X6 when I ...
- 75.9k
3
votes
1
answer
1k
views
Adjust deraillers after changing chain?
I just changed the chain on my Cube Acid 2X11sp mtb. I replaced the old chain with an exactly similar brand, model and length new chain (shimano). Is it NECESSARY to readjust and finetune the speed ...
- 4,177
0
votes
4
answers
4k
views
Strange long squeal sound when I pedal hard - how to track this down?
It's kinda hard to describe but there's a sound coming from somewhere on the bike when I pedal hard - I can't figure out where it's coming from. It's sort of like a high pitched pig squeal. It started ...
- 31
3
votes
4
answers
30k
views
Replaced chain, bike makes grinding noise?
Recently, I started going to a community bike shop to learn how to maintain and service my own bike.
Ever since I changed the old, worn-out chain to a new chain with a master link, I've been ...
- 374
1
vote
1
answer
201
views
Levels of derailleurs, freewheels and chains
What are the levels of derailleurs (Shimano probably) I know Altus and Acera but don't know the higher end ones. I am putting this on my Sondors Fat ebike. I will be using a 7 speed freewheel, and a ...
- 75.9k
9
votes
7
answers
77k
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 ...
- 14.4k
6
votes
3
answers
11k
views
Cannot shift to lowest gear - chain too short?
I’m in the process of switching from an 11-25 to 11-32 rear cassette. The upgrade has involved replacing the cassette, rear derailleur (short to medium cage) and fitting a new chain.
I can cleanly ...
- 11.3k
1
vote
1
answer
375
views
Why is my Ultegra 6600 much noisier when cross chaining compared to my Deore XT M8000?
This has been bugging me for a while. The Ultegra has no visible wear. The chain has no measurable stretch. The Deore is silent even when dirty and not oiled. The Ultegra is much noisier when freshly ...
- 30.8k
3
votes
2
answers
140
views
Replaced chain, now the chain falls onto the small chaining
I rode for a little while longer then I should have with my old chain, so I replaced the old chain and cassette. But now when I ride in the big ring, the drivetrain makes a horrible sound and the ...
3
votes
1
answer
701
views
Squeaky coasting and back pedal
I recently bought a bike overseas rather than at LBS (no LBS had the type of bike I wanted). Now the bike makes a strange noise and I can't bring it in for servicing (buy from LBS when you can!). ...
- 53
1
vote
2
answers
5k
views
Can a gear change snap my chain?
On a ride yesterday I changed from my large to small cog on the front gear set and my chain instantaneously snapped. The snap occurred right on the point where the mech would have applied pressure.
...
- 88.2k
1
vote
2
answers
164
views
New Cable Anchor Bolt for SunTour Accushift Edge
I got a pretty good condition Trek 400 and it has SunTour Edge components. Unfortunately, the rear Accushift derailleur is missing a cable anchor bolt so I have no way of attaching a cable to it. Are ...
- 46.4k