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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2answers
63 views

Chain touches plate between pulleys

I've replaced chain and dropout hanger. The rear derailleur is Shimano Claris. When I'm turning pedals chain (Shimano hg-71) is touching small plate (marked with red arrow) between high (closer to ...
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1answer
50 views

Does a chain ever need to be loosened by bending sideways with Shimano reinforced pins?

Today, I installed a new chain to my bike, because it was badly in need of lubricant (squeaking) but Shimano TL-CN41 showed it is worn so I decided to install a new chain instead of lubricating the ...
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1answer
105 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 ...
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2answers
175 views

Quick link won't 'click'

I'm brand new to bicycle maintenance/repair and just replaced my chain for the first time which I'm very excited about. I do, however, have a problem. I used a quick link to attach the chain and I ...
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1answer
35 views

Replacing front chainring on my old bike

I have an old Giant Peloton Lite. Certainly considering its age, it's a very nice bike. The front chain ring is a bit worn out, however, and I'm looking to replace it. I have a few questions about ...
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2answers
2k views

What is the deal with the new weird Gazelle chain case design?

I was about to buy this bike (a Gazelle Arroyo c7): http://www.gazelle-fietsen.be/assortiment/arroyo-c7 when I realized the chaincase is seemingly deliberately designed so that the chain constantly ...
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0answers
74 views

Why does my crank go in reverse and my chain drop when I am not on the bike?

I have a problem of my chain dropping. What happens is when we stop and I unclip from the pedals, the crank rotates in reverse and the chain drops. I am in the large chain ring when this happens. ...
3
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1answer
83 views

New chain, new cassette, new trainer…new noises

I recently got a Tacx Flux 2 Smart trainer (because lockdown) and decided to get a new cassette and chain as well, since I won't be doing any riding anytime soon and would like to keep everything nice ...
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5answers
2k views

New chain for old bike

I came into possession of an old Mongoose 3.5 that I need to buy a chain for. Unfortunately, I know very little about how to properly purchase the correct chain for a bike I can find very little ...
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1answer
59 views

New chain - problems getting into low gears

SRAM GX 11 speed. I snapped my chain last week. Replaced with a fresh SRAM 11 speed chain. I used my old chain as a guide to get the length on the chain right - but I can't swear it is a link ...
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2answers
16k views

Are there any disadvantages to running a stainless steel bike chain?

We are currently using KMC Z51RB rust resistant chains on our bikes, a competitor has started to use stainless steel chains. Does anyone know the advantages and disadvantages of using stainless steel ...
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1answer
1k views

What do RL and OG mean on a bike chain?

While changing my bike chain, I noticed letters stamped on some of the links. The old chain (Shimano CN-HG53) has »OG« stamped on some links, while the new one (Shimano CN-HG93) has »RL«. Google doesn'...
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2answers
207 views

Chain slipping on brand new bike, bike shop is stumped

I just bought a 2020 Kona Lava Dome (the details of this bike/components are at the end of this question) and I can't use the low (small) front sprocket. Under any load (like a hill climb) the chain ...
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2answers
2k views

Can a 10-speed chain be used with a 9-speed cassette?

I have an extra 10-speed chain I would like to use with a 9-speed cassette on my mountain bike. Will this combination work ok?
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11answers
78k views

Are there substitutes for chain lubricant?

With long journeys and particularly during winter I have noticed that the salt erodes the chain very quickly, even when I have lubricated the chain beforehand. When you are missing proper chain ...
3
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1answer
45 views

Reinforced pin replacement with a missing/quick link

Usually, when breaking a bike with Shimano reinforced pin, the general recommendation is that you find the reinforced connecting pin but then move to another pin, a few links aways. It is the "...
34
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5answers
41k views

Does the chain direction make a difference?

Recently, I helped a friend install a new chain on her road bike, and for the first time read the instructions for installing one. It seems to claim that there's a forward direction, and that it ...
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3answers
188 views

Friction shifting 9 speeds using an 11 speed rear derailleur

I am interested in running a 1 x 9 drivetrain using an 11-speed Shimano 105 R7000 rear derailleur. If I'm friction shifting 9 speeds, will using an 11-speed derailleur cause issues? Or is it as simple ...
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1answer
43 views

Which chain should I buy to replace the one on my Specialized Rockhopper 2016?

I own a Specialized 2016 Rockhopper Expert and the chain is slightly twisted and needs to be replaced. This bike has 10 rear gears and 2 front gears. The specifications indicate the chain is a "KMC ...
3
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1answer
64 views

Wheel position in track-style horizontal rear forkends

I recently acquired a cheap used single speed bike with track-style horizontal rear forkends. My question is, how far back in the forkend can I safely position the wheel, before it is too far back? ...
4
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4answers
18k views

SRAM xx1 1 x 11 drive train very noisy

I have a 1 x 11 drivetrain setup on my mountain bike. This is stock from the factory, it wasn't a conversion. When I'm in the low gear climbing, there is a lot of chain/derailleur noise. It gets ...
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1answer
125 views

Need new chainwheels for a cheap racing bike - which price range makes sense?

Couple of years ago I bought a rather cheap racing bike after my mountain bike was stolen. I didnt use it much at first. Now, with Corona I spent a lot of time on my bike and probably did around 1000-...
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0answers
40 views

Possible drivetrain problem?

I recently bought a bike and upon riding it and coasting for a relatively short time I heard a noise that sounded like the chain sort of clicking louder than the freewheel, then eventually the chain ...
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4answers
14k views

Can you use a SRAM 10-speed Powerlock with a Shimano chain/drivetrain?

I just bought a pair of SRAM Powerlocks for 10-speed chains. The packaging says that they can only be used with SRAM chains. Will anything nasty happen if I use it with a Shimano chain and cassette?
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2answers
90 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 ...
2
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2answers
3k views

Schwinn Meridian trike not pedaling

I'm the third owner of this trike and I ride it EVERY day.I noticed a few days ago that I had no resistance when pedaling and then this morning it stopped altogether, I hopped off and checked it. The ...
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2answers
192 views

6-speed bikes and 7/8/9/11 speed chains

I hear varying things about chain compatibility. I have multiple cheap bikes with 6-speed freewheels. These have 5.5mm sprocket spacing, whereas 7 speed freewheels had 5.0mm spacing. Later cassettes ...
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1answer
42 views

1x GRX chain sizing with 42T cassette

I'm trying to convert a bike to a Shimano GRX 1x setup using the following components: RD-RX812, CS-M8000 (11-42T), CN-HG701-11 (and FC-RX810-1, 42T). The problem I'm stuck at is when shifted to the ...
5
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1answer
81 views

Wear marks on chains

I am generally using SRAM chains with a powerlink. For a new chain there is no indication of a preferred pulling direction or inside/outside. If we demount a used chain that has never been taken off ...
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2answers
160 views

What tools to bring for road side chain maintenance

I've been making a lot of kilometers recently. Although I do proper maintenance on my chain (replacement, cleaning and lubing). It can always happen that one of the links break, or that I am with ...
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3answers
127 views

Is my bike chain skipping?

I’m new to cycling. I bought Giant Contend AR 1 road. It seemed to be normal the first time I rode it but the second time the chain felt like it was loose. Excuse my ignorance on bike stuff. I really ...
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1answer
69 views

Derailleur does not match up with chain after tube replacement

I have been recently replacing rear inner tube on my bike, since then I was not able to fix the wheel back in. It makes unusual clicking sounds when backpedaling and one side of the chain gets loose....
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2answers
179 views

Chain stuck between chainring and frame

My chain fell out while switching the gears and now it is stuck between the chainring and the frame. (I'm not a native speaker nor a bicycle expert, the terms may be wrong) I tried to unscrew the ...
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0answers
42 views

Old French Road Bike - Chain Size

I dusted off an old steel frame french road bike (circa 1980) and have been enjoying the summer riding so far. Unfortunately I managed to snap the chain on it. No big deal, put a measuring caliper on ...
2
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2answers
738 views

Chain not fitting on big chainring

I have a problem where my chain is not engaging on the big chainring. The chain is not touching the FD so, that is ruled out. Is it possible that my chain is not compatible with my crank? My chain ...
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0answers
41 views

Gears playing up after a chain replacement [duplicate]

I had used my bike for about a year and thought it was about time to replace the chain. The old chain started to skip links, but only sometimes. I got the right chain from my local bike shop, I sized ...
2
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1answer
73 views

Chain falls off my wife's E bike

Is there a chain keeper or chain guide available for a single sprocket E bike type frame bike to stop chain from coming of the front single sprocket?
3
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2answers
714 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?
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1answer
105 views

Chain length is too long

It seems me, that the chain is too long. Probably this is the reason, why the chain falls sometimes. By how many links I should shorten the length? P.S. Probably the reason for it, that my 52T ...
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1answer
61 views

Difference between KMC Z6 and Z7 for 6 speed cassete?

What is the difference between KMC Z6 and KMC Z7 for 6 speed cassete? On KMC site, both of them appear to be suitable for 6 speed bike. KMC Z7: https://www.chainreactioncycles.com/il/en/kmc-z7-7-...
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1answer
103 views

I can't track down the source of chain skip - what might it be?

Last summer it come to light that my bike is suffering extremely bad chain slip, to the extent I feel it is unsafe. From what I can tell, it only happens in the 50t ring, and the 34 may be ok, but it'...
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1answer
86 views

What is wrong with my bike? Where is this sound coming from?

My mountain bike has 3 sprockets in the front and 7 in the back. Whenever I use the center sprocket in the front there is a clicking sound. I cannot identify exactly where it is from, I don't see the ...
4
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2answers
64 views

Back wheel continuously coming loose

I’m a total amateur when it comes to biking... I recently purchased a new Bergamont Summerville N7 and took it out today for the first time longer than an hour (I’ve had it a week and been to the ...
1
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1answer
230 views

Trouble with tension adjuster screws on 2012 Kona Unit

Here is the drive side screw on my 2012 Kona Unit: The problem is the screw is very difficult to move and adjust tension. It's so bad that I stripped the hex head used to adjust the tension, ...
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2answers
6k views

Why did the chain on my kid's bike slack after I changed his tire?

I changed the rear wheel on my child's bicycle today. Once I was done and put it back together, the chain is inexplicably longer; there is a lot of slack. How did this happen and how do I resolve it?...
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3answers
160 views

Debugging an FD problem through three visuals

The front derailleur cable is as taut as I can get it. To attach the cable with as much tension, it's first necessary to understand the inside of the barrel adjuster. And the H limit screw on a ...
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3answers
679 views

I went riding almost immediately after applying Squirt Lube (wax-based) on a brand new chain, should I degrease my chain and reapply?

I replaced my old chain with a new chain (factory lube removed) this morning. I applied Squirt lube, a wax-based The instructions for new chains read "wait until dry". I don't know how long that ...
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1answer
43 views

Where can I find a complete table of sprocket and with chain/hub/sprocket spacer width combinations?

For example: number of speeds chain width hub width spacer width 1 5 6 7 8 9 10 11 There are various tables (for example on https://www.sheldonbrown.com/cribsheet-spacing.html) ...
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5answers
2k views

Should I be worried about sand in the chain?

This is about my daughter's (10yo) bike. It's fairly new, maybe about a year old (bought it off a relative who changed her mind). We're no active sporting family, but with this social distancing and ...
8
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3answers
2k 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 ...

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