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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).

2
votes
1answer
113 views

Chain Pops When Leaving Cogs

This problem has consumed a lot of time and resources and has yet to be solved. This is a basic Giant Iguana mtb, with a Deore rear derailleur, SRAM 950 9-sp cassette, Truvativ chainrings, Shimano ...
1
vote
1answer
762 views

Do half link chains work on any bike and what is their purpose?

Do half link chains work on any bike? What is the purpose of a half link chain? I've noticed that only BMXers and DJers use them, and that leads me to believe there is a technical reason behind ...
3
votes
1answer
136 views

Will this chain work on my bike?

I've bought the Shimano HG40 chain which is advertised as a 5,6,7 and I think 8 speed chain. I've just received it and it also says 15,18,21,24. (Obviously including the front gears). My bike is a 2x6 ...
6
votes
2answers
893 views

Chain noise, fixed gear

This is my first bike ever assembled, I’m a total newbie. I’ve just finished to put chain/cog and did my first try of chain tensioning. All components are new, but still I don’t understand why there’...
1
vote
3answers
188 views

I have changed the chain after my gauge showed that it's .75 worn. New chain jumps anyway. Why? How to deal with it?

I am riding MTBs for over 8 years and either the rules and tools to measure the chain wear do not work or I don't understand how to use them.. I have bought Canyon Exceed with 1x11 SRAM drivetrain. I ...
3
votes
1answer
177 views

Just installed a new chain but it took me 4 tries, is it safe?

I just installed a new Shimano 105 11sp chain on my bike using a park tool chain tool to put in the pin. But I screwed it up 3 times 🙄. After each time, I popped out the pin and used a new pin (ended ...
5
votes
1answer
90 views

Why does my chain have a single hollow pin?

I have some version of a SunRace 10-speed chain, and I'm curious as to why it seems as though each pin is a regular "non-hollow" pin, and a single one on the chain is hollow. Is this some kind of a ...
4
votes
1answer
209 views

Using Rohloff with a thicker chain

I have a Bosch/Rohloff bike that currently uses a 3/32 chain. Seems like that's the standard for Rohloff hubs. Problem is, I'd much rather use a 3/16 chain, i.e. a chain that's exactly twice as thick. ...
2
votes
1answer
104 views

Fixed gear drivetrain problem

Sometimes, when I put a lot of pressure on my pedals while accelerating or skidding, my pedals "drop" like when your cog is unscrewing. I have a lock ring, so it's not unscrewing. I've recently ...
-2
votes
3answers
188 views

Is there a bike less prone to having the chain fall off?

So my biggest frustration with my bike is that because of weather, abuse and bumpy trails the chains eventually come off. Unfortunately this often happens in the least ideal situation. Is there a ...
3
votes
2answers
162 views

2x10 drivetrain and chain crossing

I've used to ride with 3x10 setup on my MTB. Now I've got a new one with 2x10 (Avalanche 9R Expert). The question is: do I need to worry less or more about chain crossing on this bike? This is not a ...
4
votes
1answer
96 views

What can be done wrong changing the chain in a single speed?

I changed the chain of my singlespeed. I though it was going to be something really simple and quick, but I was completely wrong... I keep getting a lot of noise while I'm pedaling (unless I go ...
1
vote
1answer
104 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 ...
9
votes
2answers
860 views

When did bicycle chains go back to being bushingless?

The original bicycle chains were of a "bushingless" design, then later they came up with a roller chain design that utilized bushings, this was later updated again to the chains we are used to today ...
0
votes
3answers
172 views

My Supercycle chain keeps breaking randomly

I have an almost brand new Supercycle bike and for some reason, the chain keeps breaking on it. What could I be doing wrong
1
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3answers
251 views

How to tell if a chain should be replaced with park chain checker when it doesn't fit?

I have a park chain checker CC-3.2 which has two sides to indicate when a chain reaches .5% and .75% wear. However, since I often have some filthy chains due to off-road riding and daily commuting ...
3
votes
1answer
98 views

Gear shifting : new to cycling maintenance

I'm new to cycling. I have a Soma Saga with SRAM X7 derailleur and Apex shifters. I have ridden about 200 miles on it. When I'm cycling, sometimes my gears shift/jump to the next gear on their own. I ...
1
vote
0answers
41 views

Will chain spray evaporate from its can when unused?

My bike chain cleaning spray has evaporated from its can while I stored it in my room after having closed it normally. I have used it only four times. Actually about a half of the bottle should be ...
7
votes
1answer
697 views

Gates Carbon Drive vs Single-Speed Chain, Long Term Lifespan and Maintenance

I'm looking to get a new bike which will require the smallest amount of maintenance. The bike will have an internally-geared hub and I have the choice of single speed chain or belt drive. I have ...
0
votes
1answer
100 views

Bike re-assembly gear and noise issues

I had an old general purpose bike that I wanted to use exclusively with my new turbo trainer. I ended up taking it apart almost completely and of course I did not take pictures so re-assembly was a ...
11
votes
3answers
6k views

I rode a children's bike, now the chain is sagging - is it ok to shorten it?

I know that I shouldn't have, but I had a go on my son's bike (https://www.giant-bicycles.com/au/xtc-street-20-2012). I think that I stretched the chain. It's sagging now with about 3" of vertical ...
29
votes
8answers
11k views

Do I really have to replace the cassette when I replace the chain, or is this a scam?

My chain broke so I brought the bike in and the guy told me "Well you don't have the old chain, so we have to replace the cassette also. They go together. If you don't replace the cassette then the ...
1
vote
0answers
64 views

Schwinn sidewinder 21 gear slipping?

If rear tire is off the ground, the wheel will spin when pedaled. When wheel is on the ground the pedals will move the chain in any gear but will not move the rear wheel. The chain is not losing ...
4
votes
2answers
296 views

Mismatched chain and chainring

Why specifically would shifting between chainrings of one speed type with a chain of another cause problems? As I understand it, all 3/32 inch chains have that as their interior width; the variance ...
0
votes
0answers
89 views

Choose number of link for a bicycle chain [duplicate]

I wonder what is best number link for a chain: 62L, 84l, 82L, 98L. And why there is some bicycle which only can use 98 L but can't use 62L.
4
votes
1answer
1k views

If you buy and install a brand-new chain, but never clean or lubricate it, what will happen?

When you buy a new chain, it comes lubricated with a factory-installed grease-type lubricant. This lubricant is similar to hot wax. (Reliable sources — including Sheldon Brown, Shimano, and ...
4
votes
1answer
2k views

Noisy new chain

I ride a mountain bike with SRAM XX1 running gear. I changed the 11 speed SRAM chain for a 11 speed KMC chain. The new chain is noisy. It sounds as if it is grinding against something but I cannot see ...
5
votes
3answers
666 views

Is this old chain of a different type?

My friend's bike needs a new chain. Looking at the chain, it looks like the pins have a slot for a flat head screwdriver? Is this just cosmetic or does this type of chain require unscrewing the pins? ...
14
votes
2answers
2k views

Why should one clean a chain?

I do understand that this may sound like a troll question but please bear with me. I've always been a maniac about drive train cleanliness until I got a 11 speed bike and realized I didn't want to ...
2
votes
2answers
148 views

Replaced my crackset, chain keeps popping off the small chainring under load

Looking for a little lower gearing on my gravel bike, I replaced the crankset with a FSA Omega with 46/30 chainrings, along with a new bottom bracket & chain. If I stand on the pedals while on ...
2
votes
2answers
2k views

How to choose a compatible set of chain, cassette and chainring?

I would like to change the chain, cassette, and the chainring of my bike. The cassette has 7 speed and chainring has 3. Is any combination of 7 speed cassette and 3 speed chainring built by any ...
7
votes
3answers
500 views

(Apparent) chain slippage causes on new bike - usual culprits already eliminated

I recently purchased a new bike (~7 weeks ago). Since day one, it has had an issue with chain slippage. I initially took it back to the bike shop from which I bought it, to be told that it was likely ...
1
vote
0answers
57 views

Focus Urban/Planet 8 torque settings?

These two bolts indicated by green arrows...what is the correct torque wrench setting please?
7
votes
3answers
5k views

Parafin wax vs wet lube for bike chain lubrication?

So im thinking of waxing my chain (with parafin wax) what would the advantages of this be over wet lube (i use muck off). Anybody have any experience with waxed chains? Thanks.
3
votes
1answer
683 views

Chains and casette are rusty

I used to live in Australia where rain is scarce. I've recently moved to SEA where it rains almost everyday in the past month. Hence, the road conditions are less favorable as they are always damp ...
0
votes
1answer
56 views

Scott Aspect 710 chain: Shimano or SRAM?

How can I tell the difference between Shimano and SRAM chains? I replaced my 10 speed chain and it fell apart. Do I need a power link or a power lock?
0
votes
2answers
138 views

Do freewheel/cassette/chains come as a set?

I've a Marin San Rafael, 2005. The cassette is an 8 speed 11-28 shimano, exact model number unknown. The chain and freewheel are whatever came with the bike.. I've always thought the chain had a ...
8
votes
3answers
2k views

Can you reattach an SRAM powerlock?

An advert for their PC-1031 chain on chainreaction said the Powerlink Powerlock was one time use only; you couldn't attach the chain, detach it and then attach it again without a new Powerlock. I ...
3
votes
2answers
94 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
1answer
70 views

Can I add spacers to my cassette and crank to fit 3" tyres?

Can I add spacers to my cassette and crank to fit 3" tyres? The chain rubs on the tyre. I’m running a hope hub with SRAM 8 speed cassette and saint cranks. Can I just buy spacers to pull the cranks ...
12
votes
2answers
4k 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 ...
0
votes
2answers
183 views

My chain slips when I use an inappropriate gear, and the chain loosens when changing gears (most of the time). What should I do?

As the title says, it seems like my chain slips way too often. This happens if I pedal hard, go uphill, or ride at an inappropriate gear (even when not pedaling hard). Besides that, it seems like my ...
0
votes
2answers
68 views

Chain going out of the assembly

I bought a 21-speed bike. The rear gear at 1st position puts the chain at 2nd toothed-wheel. Likewise 6th position puts at 7th wheel. When at 7th position, it goes out of the assembly. This problem ...
1
vote
2answers
1k views

Threading shimano chain, over or under lug?

I have an MTB with Shimano Deore/Slx components. I just replaced the chain. Should the chain go over the lug as I have it in the picture?
5
votes
3answers
548 views

What kind of chain to buy for internal gears?

What kind of chain should I buy if my gears are internal in a drum? I have seven gears but should I buy a one speed chain? What would happen if I would use a seven speed chain?
1
vote
1answer
415 views

Chain is locking up

This only happens in my granny gear going up hill, just started too. I am pedaling up a steep hill and the pedals suddenly stop, obviously the chain is jamming somehow. The first time it did this I ...
2
votes
2answers
325 views

Can I break a single speed chain with kmc universal link

It maybe necessary for me to remove the chain for a deep clean. I dont think it's ever been cleared by it's previous owner. So just to be sure I can use one of these to rejoin the chain: http://www....
5
votes
1answer
202 views

When shifting gears, how does a bike chain catch the new cog so reliably?

I think I understand the derailleur mechanism pretty well, yet I still find it surprising how the chain catches on the new cog so reliably. Is there something I'm missing? Is it just with the proper ...
1
vote
2answers
863 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. ...
1
vote
2answers
53 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 ...