Questions tagged [chainring]

The cogs (gears) at the front of your drive chain, connected to the cranks.

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1answer
19 views

Can I swap my front 2x chainring on my MTB to a ~46T chainring?

The type of cycling I do means I'm never really presented with mega-steep climbs. I used an online calculator and worked out I never really use gear ratios below about 39, which on my MTB at the ...
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3answers
182 views

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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1answer
86 views

Bicycle buying suggestions please! [closed]

As of yet, like most other Indians, I've only ridden a single speed, which was brought for 4000 rupees, about 13 years ago.. Yes, it's still in use! My budget now is strictly 13000 INR for the bicycle ...
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1answer
67 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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65 views

Are Shimano R7000 chainrings (50 and 34T) compatible with Ultegra R8000 crank?

I need new chainrings due to slipping chain and decided to replace them. I currently have an Ultegra R8000 Chainset and don't want to replace the crank arms (as it is really expensive). Ultegra is ...
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2answers
62 views

Need replacement chainring for Shimano Ultegra FC-6503 42t chainring

The Shimano Ultegra FC-6503 42t chainring is "obsolete" but there must be some 42t 130 bcd chainring that would work. It is the middle of a triple. The mounting bolts pass thru the 52t to a ...
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1answer
49 views

Shimano R7000 front derailleur height adjustment

I’ve been getting a little bit of chain rub on the extreme opposites but that’s to be expected, however when looking at the front derailleur this morning after a quick clean, it appears it may be ...
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1answer
28 views

Which bolts and nuts to use to install Osymetric chainrings to replace Shimano Ultegra R8000 chainrings?

I would like to install 52-38 Osymetric chainrings instead of my 52-36 Shimano Ultegra R8000 ones. I've bought the Osymetric chainrings and tried to install them, but I realised I need bolts and nuts ...
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1answer
41 views

Ultegra 6800 chainrings and Claris r2000

Does claris R2000 crank arms can fit ultegra 6800 chainrings?
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1answer
44 views

What is the difference between 9sp and 10/11sp cranks/chainrings?

I have a 9sp setup I’m very committed to, mostly because I can’t find 10/11sp indexed downtube shifters (Dia Compe makes a non-indexed 11sp and that seems to be it). I want a new crank with swappable ...
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1answer
48 views

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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3answers
2k views

Is there an inherent problem with expanding chainring drives such as Veridrive and WaveTrans?

The Veridrive is just the latest iteration of the idea of using an expanding or contracting chainring rather than a derailleur for shifting: There also WaveTrans: ...
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2answers
132 views

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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1answer
57 views

Which combination of single chainring and crankset goes with 6 speed?

I have 90s Bianchi "Project 2" which is early hybrid of MTB and roadbike it says. I want to customised to single chainring narrow wide (somewhere between 48 to 40T), but leaving original ...
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2answers
101 views

Do I need to replace my chain ring and cassette? Images attached

I know I should replace them if they "look like shark teeth", but I don't know what exactly what shark teeth look like. I know they don't exactly look new, but do they need to be replaced ...
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0answers
305 views

5 arm cranksets versus 4. Which is better and why?

I'm looking to buy a Sora triple crankset. Shimano make two types one has 5 arms and the other only has 4 arms. Which should I get and why would that be a better choice? I'm a slow-ish rider. I'm 50 ...
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16answers
88k views

Triple vs Double chainring?

I'm bike shopping for my first road bike, and I've asked for a lot of advice from my father who was a serious cyclist once upon a time. After showing him one prospective bike, he dismissed it with a ...
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1answer
155 views

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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2answers
147 views

MTB 1x vs 2x cross chaining [duplicate]

I've got a good deal and bought a new bike with full Shimano XT groupset and 2x Drivetrain which I am not fully satisfied with, it has 34/24 and 11-42 setup. I would prefer 1x more but not going to ...
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4answers
19k 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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6answers
906 views

Yes/no replace chainrings+cassette after chain failure?

I had a pretty bad chain failure a couple of days ago. I bought the bike second hand about a year ago, and in all fairness I had not done much maintenance on it since. I discussed with a friend and ...
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2answers
610 views

Do I need to get a replacement bike for this broken chainring?

I wanted a cheap commuter bike, and just received this bike from Amazon. I have little knowledge about bikes, but looks like the middle chain-ring is broken to me. Is this indeed broken, or is it ...
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0answers
59 views

What is the difference between a Shimano 10-speed 2x front chainring and a 3x front chainring?

Shimano sells two types of 10-speed chainring, one for 2x and one for 3x systems. The smallest chainring have a 64mm BCD for both systems, and it looks the same to me. So what is the difference ...
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2answers
265 views

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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1answer
86 views

Where can I find vintage hardware to mount a Raleigh 3 bolt chainring?

I need hardware (3 short bolts) for my Raleigh Super Course 10 speed made in Nottingham England in 1973. The bolts hold the front large chainring to the smaller chainring that the pedals are mounted ...
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0answers
44 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 ...
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2answers
909 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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1answer
108 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
69 views

MTB Shimano MT610 crankset with 32t: possible switch to 30t?

I'm looking at the Raven 8.7 with its Shimano MT610 crankset with 32 teeth. The bike comes equipped with Shimano SLX M7100, 12-speed cassette and Shimano Deore XT M8100, 12-speed rear derailleur. I ...
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1answer
105 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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2answers
84 views

Clicking in just one chainring

I wonder if anyone can suggest any reason why I might be getting a regular clicking (two to each crank revolution, at the same place each time) from the crank/BB area of my bike. I understand these ...
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1answer
823 views

Shimano Tiagra - Install smaller front chainring

I recently bought a used Trek Checkpoint ALR4, with which I'm very satisfied. The gearing is ok so far for going on plane ground an light uphills, but when going on long and steeper hills it gets ...
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1answer
165 views

Front chain ring wear

Photo attached. Does the front chainring should be changed? [UPDATED PHOTOS] In case if yes. Almost all that exists for affordable prices is made from aluminum. Is it significantly weaker than from ...
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2answers
2k views

Are narrow-wide single chainrings compatible between 9, 10, 11 and 12 speed?

I am planning to convert my bike to 1x12 setup. Since it is an old bike I want to keep it as low budget as possible. I am looking to keep my existing BB an crank. I have read multiple posts about ...
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3answers
3k views

Why is cross chaining 'bad', but 1x is OK?

When you run 1x, aren't you basically force to cross chain?
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2answers
54 views

Convert SRAM Force 11 to single chainring

I bought a bike with an SRAM Force 11 groupset a few years ago and my local bike guy says I'll have to replace the cassette soon. I only use the large chainring in front and that's apparently why I've ...
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1answer
146 views

How do I move my chainring without moving my crank arm?

I recently did a 1x10 conversion on my mountain bike. I replaced almost everything on my drive train except for my crankset. The single chainring (104 BCD, 34T) fits onto my drive-side crank arm in ...
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1answer
289 views

SRAM AXS double to single

I'm looking at a road bike with SRAM Force AXS 2x crank but would like it as 1x. I see from photos that the spider is separate from the right crank. Are the 1x vs 2x arms and/or spiders different? ...
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0answers
40 views

Can I put a SRAM X-Sync chainring on a vintage Shimano 600 crank? Both are 130mm BCD

Can someone confirm that this SRAM "hidden bolt" thing does not create a problem with using a SRAM Force 1 X-Sync chainring (model: 11.6218.020.000) on a non SRAM crank? FWIW it's going on a Shimano ...
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2answers
50 views

Tiagra ST-4720 on Trek 920 Disc (2016): front derailleur problems

I've upgraded my Trek 920 Disc (2016) bike with Shimano Tiagra ST-4720 Dual Control Levers. At the same time I've also replaced the disc brake calipers (Shimano BR-MT420) and the rear (Shimano ...
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1answer
59 views

How to figure out the BCD my chainring has

I have a 2017 Diamondback Line. My chain has come off a few times and this post says get this chainring. I wanted to confirm my bike requires a 104 mm bolt pattern but don't know how to do that; the ...
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1answer
198 views

How to adjust chainline for 2x10 crank set

I replaced my 3x8 system with 2x10 system on my Trail bike. My BB is of 73mm size and as a standard I left one spacer at drive side and none at non-drive side of the chain-ring as of now. But I could ...
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3answers
117 views

Alternative cranksets for a cross-country mountain bike larger than 48t

I have to replace my chain and gears on my 28'' cross-country mountain bike and I like to use the opportunity to make some modifications. I've tried to read up on this and I already learned a lot from ...
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1answer
169 views

Chainring rubbing frame after replacing

I replaced my Ultegra R8000 inner chainring from 36T to 34T. After installing, I made sure there was enough clearance between the inner chainring and the chainstay and spun it to make sure all is good....
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1answer
63 views

Are all chainring compatible with all chain?

I want to change my drivetrain on my bike and i found everything except the chainring. So I was wondering if I could choose any chainring. Thank for yours response.
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1answer
189 views

How to remove old style chainring held in by a single nut between bearing and chainring?

I've got this old school mountain bike, back from 1986. It's a 5 speed rear cassette with single front chainring. Make unknown, but has an emblem on the front that says "Concord". I'm jammed up ...
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1answer
493 views

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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2answers
99 views

Chainring compatibility

I need to change my chainring(s) and am interested to know what the things to pay attention to are. The ones that are clear to me are: the number of holes for the crank bolt circle diameter distance ...
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2answers
234 views

Can I change my bike from a 3x7 to a 1x7? [duplicate]

I have a 2020 trek marlin. I'd like to change my rear cassette in the future but for now I'd like to know if I can change it to a 1x using only stock parts. Is this possible to do? Or would I have to ...
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1answer
136 views

How to cut a counterbore for chainring bolts with simple tools

There are some 5-bolt 110mm BCD double cranks out there (FSA Tempo) that put the large ring on the inside of the spider tabs. I want to figure out a way to use whatever 110mm rings I want with them so ...

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