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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1answer
124 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
221 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
156 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 ...
1
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2answers
385 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
-3
votes
3answers
162 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
955 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
2answers
433 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 ...
4
votes
2answers
347 views

Why do my pedals shake and pop?

I just purchased a cruiser bike online that I had to assemble. When I rode it for the first time, I notice my pedals felt shaky, whether pedaling or coasting, and when I did pedal every few seconds ...
0
votes
2answers
85 views

Brand new bike with a stuck chain link

I bought a brand new Fuji Nevada and I've had a horrible experience. I noticed skipping while pedaling and found a stuck chain link. No matter how much or hard I wiggle it, it won't loosen up. Any ...
0
votes
1answer
99 views

Chain skipping under increased pedal torque [duplicate]

I read the related post, but my situation is a bit different. Additional background - I installed new 105 shifters and derailleurs two years ago (~5000 miles) along with chain and cassette. I also ...
1
vote
2answers
125 views

Chain rubbing on new derailleur and crankset

My bicycle is a Rockrider 520. I have replaced my front derailleur with Shimano Acera FD-M390 and my crankset with Shimano Acera FC-M391. But chain is rubbing inside of FD even when FD cable is not ...
3
votes
2answers
519 views

Chain really noisy near front derailleur on low gears but doesn't appear to be rubbing.

In the four lowest gears (i.e the 28 cog end) when in both the big and small ring, loud noises can be heard coming from what appears to be near the front derailleur. I've uploaded a video of the noise ...
0
votes
1answer
118 views

I removed the drop-out adjusters… Do I need to adjust my derailleur or add chain or both?

I have an old 1998 Lemond Zurich, and I recently purchased new wheels. The old bike had drop-out adjusters. When I added the new wheels I felt like my bike was rubbing against the brakes, then all of ...
3
votes
3answers
656 views

Remove front derailleur without breaking chain

I recently purchased a Diadora Orbita bike from SportChek. As I was riding it my front derailleur got bent and now I can't use my pedals. So, my question is, can I remove the Shimano FD-TY18 front ...
1
vote
2answers
97 views

Mechanism to draw rear wheel back and tighten chain stuck; oil not helping, what's next?

I have a bicycle with an internally geared hub (Rohloff). To tension the chain, I loosed the attachment of the rear wheel (dropouts), draw back the rear wheel, and tighten the attachment again. ...
2
votes
1answer
172 views

Use a KMC X10 SL chain on an 11 Speed cassette?

I have two KMC X10 SL chains that I never ended up using. I got my new bike, which came with a KMC X11 chain (the bike is Specialized Diverge Comp). I am wondering if I can use the X10 chain on this ...
2
votes
1answer
529 views

Old chain still shifting perfectly, should I change it out?

My chain is ready to be replaced according to gauge, but, my shifting is flawless. Should I replace the chain or squeeze another few hundred miles out ? It currently has about 2500 and is a CN6701. ...
0
votes
2answers
131 views

Chain length. how long or how many links

I measured from the middle of each sprocket and it's 17 inches. Not sure what length of chain I should get
2
votes
2answers
256 views

Bike feels like it is getting stuck when I start pedaling or increase pressure as I go up hills

My bike feels like it is getting stuck when I start pedaling or increase pressure as I go up hills. Of course, I checked to see if the brakes were rubbing but they are completely free of the wheel. ...
2
votes
1answer
123 views

Choosing a new chain

I am going to buy a new chain for my bike, and read the answers for this question: advantage of expensive chains? The accepted answer said, that there is no difference between inexpensive and ...
6
votes
3answers
628 views

Is the durability of more expensive chains better than cheaper ones?

Do expensive chains last longer? I get 300-400 miles using Wally World's $10 8 speed chains while riding off road or dirt. I monitor and replace the chain at close to 1 percent stretch. Would a '...
0
votes
3answers
123 views

Chain skip happening seemingly at random with a new chain

My bike's a 24-gear trail/road hybrid, and I've had it for about three years (although I've been riding it much more lately than in previous years). For a long while, I've had an issue with chain ...
1
vote
1answer
85 views

skipping on new chain/ cassette

I have a new chain/ cassette that is causing the chain to skip /jump randomly on an MTB I use for commuting and is driving me mad with the following symptoms: I can physically see the chain hop on ...
1
vote
4answers
528 views

Chain falls to the outside of the chainring, but I can't reproduce the problem

I have a Dahon Speed P8 that I use for touring Japan, which has about 3000km on it. The bicycle has 8 gears on the back, and 1 gear on the front. Note: I love riding my bike, but honestly (and ...
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2answers
160 views

Rear derailleur mess up PLEASE HELP. Im helping a 64 year old cancer patient. Very important

The old man next door painted his bike today. He took the deraileur off the bike to do so but did not remove his chain. The chain does not have a master link and neither one of us can financially ...
1
vote
3answers
244 views

Chain length and cassette tooth count relationship

A little context first: I'm going to be riding in the French Alps and plan to tackle some of the classic climbs (Alpe D'Huez, Galibier, etc) next month - I currently have a Campagnolo Athena 50/34 (...
4
votes
1answer
172 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.
0
votes
1answer
88 views

Time to replace chainring?

I ran a squeaky chain for a while on my bike and subsequently destroyed the chain and the cassette. Both were swapped out at the exact same time for a new chain and cassette. Now I am afraid that ...
1
vote
1answer
81 views

Chain keeps slipping

I was pedaling my bike, the bike has never been used and sat in the garage through winter. While I was pedaling I switched gears and adjusted the pressure I needed to pedal (don't know what this is ...
1
vote
1answer
155 views

Need help picking the right rear derailleur and chain for Giant Escape 2

Product page for the bike i have: http://www.giant-bicycles.com/en-us/bikes/model/escape.2/14810/75679/#specifications I'm not able to make sense of the variations of shimano altus derailleurs, here'...
1
vote
1answer
138 views

Easiest way to remove a chain master link / masterlink

When I'm breaking a chain with a master link (to remove the chain from the bike), usually I can do it with my hands by pushing the links together until the master link comes apart. But sometimes it's ...
3
votes
1answer
129 views

Campagnolo Record C9 / Shimano CS-HG200-9 incompatibility

I drive cheap Shimano cassettes together with Campagnolo Record C9 chains. Yesterday I installed a new C9 and a CS-HG200-9. But the chain sort of slips over the sprockets, not unlike really worn parts,...
1
vote
1answer
73 views

Chain Replacement

I'm having a hard time finding an appropriate replacement chain for my bike. Its a 21 speed, Wal-mart brand mountain bike. My local bike store has chains that were up to a 10 speed. I know I need a ...
1
vote
2answers
358 views

Bent front-derailleur

I biked to school today with my bike in perfect condition. Locked it up and went to class. When I went to my bike a couple hours later, the derailleur was bent out of position. My bike's front gear ...
1
vote
2answers
205 views

Why is my big chainring is so scratched form the inside?

I have noticed a lot of scraping on the inside of my Trushift 44T plate. Is it just a function of distance, time and color or is it a clue that something is not working properly? The bike was bought ...
6
votes
6answers
2k views

Unable to pedal when in high gears

I'm a complete novice with bicycle maintenance and have a slight problem. I just picked up a 2nd hand bike as taking part in a charity event this weekend and an unfortunate accident meant my mine was ...
2
votes
2answers
135 views

Relationship between chain tension and chain wear

On a 10 speed road bike, what is the ideal chain tension? I was recently told (by a bike shop) that my rear derailleur should be fully extended (pointing forward) when the chain is between the 2 ...
2
votes
4answers
596 views

Why should you not just buy the chain with more links?

I have the choice of buying a 114 or a 116 link chain for the same price. Why would I not buy the longer one and shorten it? In my case my bike previously had 108 links, and assuming that was ...
0
votes
2answers
370 views

Rear derailleur hitting chainstay (video in the post)

I filmed a little video of the process: https://youtu.be/ejJsIWrrFTU Does anyone know how to solve the problem? Apart from attaching piece of rubber to the chainstay? It is really annoying, because ...
3
votes
2answers
503 views

Can you remove the chain missing link too often?

I became pretty obsessed with my MTB maintenance. After every trip, I completely remove the chain and wash it. I am wondering if you can damage the missing (and weakest) link of the bike by doing ...
0
votes
1answer
75 views

What other parts might need replacing if I replace an old freewheel gear set for a modern freehub cassette?

I currently have a pre 1970s 10 speed Claud Butler. Perhaps back then men were real men but there is no climbing gear. Since I mostly do touring this is a bit of a problem. Finding a new freewheel ...
0
votes
1answer
113 views

Do I need to replace 10 speed chain if using a bigger cluster, also 10 speed?

Most similar questions are asking about using the same chain with a bigger cluster with more gears (10 speed chain vs 11 speed cluster). My concern is being able to simply buy a higher gear ratio ...
0
votes
3answers
166 views

Rear cassette 'ticking' forward, making chain catch, what is the problem and how do I solve it?

I have a Giant Rapid 4, bought in 2009. When freewheeling (i.e. rolling forward but not pedalling) on my bicycle, the chain catches. I had a look and I think this is because the rear cassette ...
0
votes
5answers
161 views

new chain skipping

I put a new chain on the older bike, measured it up with the old chain, but did not change the cassette. Unfortunately I am able to crank the pedals with the bike standing still on the ground with ...
0
votes
1answer
128 views

Bike chain worn to 1% according to indicator tool

My bike chain is worn to the 1% gauge on my indicator but only on certain links. I could check a different link and it won't fit at all. However it would drop right through on certain links. Should ...
1
vote
2answers
961 views

Does my fixie need a chain tensioner

I'm building my own fixie (almost a cliche, sorry) and I debating whether or not to buy chain tensioners. I will be riding my bike with a fixed gear most of the time. One of the reasons I ask is ...
4
votes
2answers
613 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 ...
0
votes
1answer
327 views

Can I use a SRAM Powerlink on a Shimano chain [duplicate]

Have 9 speed Shimano chain that I need to shorten. I don't have the Shimano pin so I need to go buy one. Could just reuse the regular pin but I already broke one chain tool trying that. I think ...
1
vote
1answer
105 views

How do I know I should replace the chain? [duplicate]

I have been riding a folding bike in the past. I have never replaced its chain. Recently, I have bought a second handed road bike for $500. I am afraid of the chain breaking suddenly. How do I know ...
6
votes
2answers
1k views

Replace chain at 0.5% wear, or 0.75% wear?

Why do chain wear indicators have an indication for 0.5% wear and one for 0.75% wear? Are both measurements included because there is some personal preference from mechanic to mechanic, or rather are ...