Questions tagged [chainring]
The cogs (gears) at the front of your drive chain, connected to the cranks.
509 questions
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6800 FC to R 8000 FC upgrade
I would like to replace my 6800 FC 52/36 and 6800 FD with the R8000 FD and FC 52/36. I'd like to utilize my existing 6800 brifters, which operate flawlessly.
Are the cable pull on the brifters (6800 ...
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Convert from 3x drivetrain to 1x with 3x cranks
There has been some teeth on my front chainring chipped away from knocking on some curbs. I'm thinking of buying a 1x drivetrain because I rarely change the front gear. Can I put a 1x chainring on a ...
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How do I tell if a loose chain is because of the chain or the ring wearing?
My chain looks as though it's 'stretched' - by the time it's fed around the large front chainring it appears to be 'longer' than when on the other chainrings.
Therefore I'm trying to work out whether ...
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Why are chainrings 50T and larger five-bolt rather than four-bolt?
I've noticed that chainrings 50T and larger all use five bolt holes instead of four, invariant of BCD. How come? Is this simply due to tradition or is there a mechanical stress reasoning?
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Chainring and cassette compatible?
I've got a 20 year old Cannondale mountainbike (model # scratched off long ago). It's been used as a daily commuter for a few years and for a couple long trips. I've been told that the original ...
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Do these chainrings need replacing?
I know this has been asked several times but I'm curious if anyone can weigh in on whether these specific chainrings need replacing. They're from a triple chainring setup.
I'm replacing my chain and ...
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Adjusting chain line by mounting the chain ring inside the crank spider
Background: Sugino RD2 single-speed cranks call for a 103mm bottom bracket which gives a chain line of 45mm, which is what I need, but there aren't suitable square-taper BBs in this size. ...
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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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Need easier gearing. What would the effect of changing the chainring or cassette be?
My mountain bike is too difficult to pedal when the going gets steep. I need an easier gear ratio. Am I better off switching the chainring or the cassette?
I currently have:
A 30 tooth FSA ...
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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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Fixed Gear Chainring Centering
I have a fixed gear bicycle with a chain that gets periodically tight and loose as I complete a rotation of the pedals. How do I center my chainring so that the chain has even tension throughout?
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Chainring loose around drive-side crank arm / axle
The splined thing in the picture moves very slightly in relation to the chain rings - it seems to be worn. I don't know how to remove it, or if it is even supposed to be removed. This is an old bike ...
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Chain drops in smallest gear under load
I'm baffled. I installed a new chain, cassette, cables and housing yesterday. On the stand, all is happy and shifting is silky smooth. On the road all seems happy except on the bigger cogs in back (in ...
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How to make a 1x city bike easier to ride uphill?
I'm trying to convert an old city bike (https://archive.trekbikes.com/us/en/2010/trek/navigator10wsd#/us/en/2010/trek/navigator10wsd/details) for my middle-aged mother who did not do any sports so far....
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Correct way to shift?
So I went to a bike shop to check out the options that I could buy and came across this board that has the gear using system explained for beginners (I guess?).
Is it not literally suggesting cross-...
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Worn out chainring or missing tension
This is a follow-up to the question I need to replace a cassette for CS-HG500-10 but want to go XT
Yesterday I replaced the cassette, as well as the chain and the jockey wheels and went for a ride. ...
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Bottom bracket with built-in internal hub - does this exist?
I've heard that one can install a bottom bracket that has what is essentially a built-in internal hub, giving one the ability to add a virtual double chainring where there's only one. This would be ...
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How to remove a (press fit?) crank arm from a chain ring?
Does anyone know how to remove this crank arm? Or if it can be removed? The bike was ~$250 and seems to have a lot of 'don't take this apart' engineering, I'd like to soak the chain rings in rust ...
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Measuring BCD & choosing right chainset
I bought a used bike whose chain keeps slipping, and I believe it is because either the chainring or the bottom bracket is bent. I tried to show this as best as I could in the below pictures.
I am ...
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Budget Chainring Upgrade
Ive got a 2018 Halfords Carrera Valour 18" 24 speed mountain bike which I use regularly. I cant afford to splash out on a new bike so was planning to do some basic budget upgrades to help with ...
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Broken Crank Arm - Chainring Connection
I was just riding my bike like normal the other day and the crank arm started slipping. Upon further inspection, I discovered the 'bolt' that connects the crank arm on the drive side to the chainring ...
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Can I change small chainring to 30T with a 50T large ring on DI2? The mechanic says yes, just the shifting would be a tad slower on front derailleur
I’m looking at buying a used Orbe Orca complete with power meters and Ultegra Di2. The front rings are 50/34. I asked if the Di2 could handle 50/30 and was told yes but the shifting would just be a ...
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Crankset for 2006 Raleigh MTB
I have a Raleigh MTB "Sports" with 6061 aluminum frame that was bought new in 2006 or 2007. It's undergone various repairs over the years and I'm still decently happy with it.
However, ...
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How to remove hex crank bolt
I have been looking online for tutorials on replacing a chainring (or three) for my Scott mountain bike: https://www.thebikelist.co.uk/scott/aspect-40-2012
When trying to take off the chainset so ...
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Can I swap down to a different number of teeth on a chainring
I currently have a single speed front chainring setup with 52 teeth. I can't find a suitable replacement for my chainring so I am wondering if it is possible to get a chainring with a different ...
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I want to change a chainring 52 R7000 to a new 52 R8000 - will it fit?
I have a worn 52-tooth Shimano R7000 (105) chainring and I would like to replace it with a R8000 (Ultegra) 52-tooth ring. I am only looking to change the large chainring. I am in Russia and therefore ...
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Any history on Viscount bicycles?
I managed to pick this Viscount bicycle up from my local scrapyard along with a 1987 women’s BSA bicycle. Both of these bicycles work. The Viscount has a sticker on it saying triple champion 1981 so I ...
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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 ...
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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 ...
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How to get a lower gearing
My trusty old CF racer was stolen the other day, and I'm looking for a replacement. I saw this bike at PlanetX and was intrigued. It's a full carbon bike with (last years) Ultegra components for a ...
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How to Remove Square Taper Chainring Bolts
I have removed my chainring from my Bicycle, but I do not know how to remove the chainring bolts I have tried using an Allen key but I cannot move it.
Do I need a special tool?
Here is a photo
Any ...
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Do I need to replace my chainring?
Finally replaced the drivetrain on my 2019 yt jeffsy. I replaced the chain and cassette, but seem to be having an issue with the new chain jumping off of the chainring. The new chain is the same ...
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Can I find out about compatible newer models of my Shimano chainring?
I have an MTB that is quite old. The biggest chainring with 42 teeth is now done and I need a new one. It's a Shimano FCMC30, but it seems nobody is selling that new anymore. The chainring in question ...
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Can you mount GRX FC-RX600 110/80 chainrings on a Tiagra 4700 chainset?
Has anyone mounted these https://www.bike-discount.de/it/comprare/shimano-grx-fc-rx600-2x10-11-speed-chainring-961783 on a Tiagra 4700 crankset?
If they will fit it's a LOT cheaper than buying the ...
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Are chainring bolts alone strong enough?
Because of a custom application, I need to be able to use 104BCD chainrings. However, I need a stand-alone spider to hold the chainrings; the chainwheel will not be mounted directly to a 104BCD crank.
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Do I need a new chainring?
Here's my setup:
It runs great. But the chain is a little rusty. I measure the chain wear and it looks like about 1/32 of an inch over 12 inches. So not much, right? But chains are cheap so I try a ...
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Chain coming off with internal hub gear bike - why?
I have a Raleigh Caprice bike, about 7 years old, with sturmey archer 3 speed hub gears. There have been some problems with the hub gears in the past 9 months, which have been fixed by a mechanic.
...
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Choosing a chainring for eewings crank
I recently purchased the eewings mountain titanium crank, and I need to choose a chainring.
The interface is sram 3 bolt direct mount.
I wanted to get a 44T/46T/48T chain ring, but seems like I can't ...
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Change chainring on Canyon Inflite CF SL7
Currently bike has a 40T SRAM quarq crankset (direct mount)
Is it possible if I install a different brand's crank, since I need to install 48T chainring which I'm not able to find.
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How long can I safely use a chain for?
My chain is well over the 0.75% extension at which I would normally replace it.
However, the cassette and chainrings are also old enough that a new chain would slip on them, so they would also need ...
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Does it make sense to switch to single chainring on an older mountain bike?
Very recently I've started seeing a setup like this on pretty regular bikes:
(Image taken from CyclingID forum)
Appeal of the single chainring
To me the positives of this setup became quite obvious ...
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If chain/ BB/ casette are dead can chainrings and derailleurs still be OK?
I bought a brand new bike last May (2015 Brodie Elan) and proceeded to put 11,000km on it by November (cross Canada ride plus some commuting).
Around the 11,000km mark I brought it back to the shop ...
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Which replacement sprocket and chain ring should I get for a Shimano Alfine 8?
I have a Charge Mixer bike with, I believe, a Shimano Alfine Inter-8 internal hub gear system. Recently the chain started to creak so I decided to change it. I bought a KMC X9 chain as Shimano appear ...
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Chainrings for Shimano FC-M760 crank worn out, need help
Problem: I have Shimano XT FC-M760 cranks 22/32/44t on my MTB. BCD=104/64, 4 bolt. Need to replace all rings; I'm open to any solution other than changing to 2x/1x (2x10 not enough gear range, 1x11 ...
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Is it safe to remove one front chain ring?
My son bought an old road bike, we didn’t notice that one of the small bolts connecting the two front chain rings was missing and he has now twisted and broke the inner chainring. I’ve been able to ...
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Ultegra FC-R8000 Chainring Bolt Fatigue
As per my troubleshooting to find a bike creak (Ultegra FC-R8000 Right Crank Arm Creak) - I have installed and removed the same chainring bolts ~8 times. In the process I snapped one of them. Each of ...
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Vintage bike - help with chainring replacement
I recently broke the large chainring on my vintage bike, and need to replace it, but am having trouble determining what size I need. I lost the chainring on the ride home, so am measuring the bolt ...
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Can I use 11 speed chainrings with 9 speed chain?
To be more specific, my bike come with Shimano Sora 9 speed group set. I'm using a KMC X9 9 speed chain.
I studied quite a lot of websites. They claim that chainrings are compatible with any speed of ...
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Replacement for 52 tooth chainring Ultegra triple ( 6503 ) 9 speed
Hello It seems that the stock 52t chainring for a road triple ultegra 9 speed is on back-order or has been discontinued. Is there a replacement that will fit and shift?
This is for my wifes Trek and ...
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Where can I find a 130 bcd single speed chainring with 58 or 60 teeth?
Where can I find a 130 bcd single speed chainring with 58 or 60 teeth? I am attempting to setup a goldsprints setup using a very large front ring and a small rear freewheel.