Questions tagged [chainring]

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

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2answers
66 views

Chain slipping on smallest cogs (bigger chainring, new chain)

I recently switched my SRAM 1x12 Eagle SX drivetrain from a 30 to 34 direct mount Chainring. I also bought a new chain to accompany with it. Chain length was measured as the sram service manual ...
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2answers
102 views

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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9answers
2k views

What would happen if I don’t replace worn drivetrain components?

What would happen if I took a entirely new drivetrain and just never replaced anything? Of course, I’d keep it clean and lubricated. With 11 and 12 speed chains being as expensive as they are, the old ...
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3answers
2k views

How can I lower the gear ratio on my son's bike?

I got a SH Commencal 24" MTB for my son. He loves it - except on climbing steep slopes where he runs out of steam. It comes with a 7-speed 14-28T freewheel (Shimano MF TZ21) + Acera derailler, ...
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3answers
154 views

Alternatives to Crankset Shimano M523 Octalink 40-30-22T

I have recently purchased a Merida 2015 7500 One-Twenty 3x10. Link to bike specs: http://online.fliphtml5.com/pvouz/azox/#p=12 The crankset chain rings are very worn and need replacing. More Pictures ...
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1answer
49 views

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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1answer
33 views

Can I use a 9s front chain ring with a 10 speed chain and cassette?

I have mistakenly bought a 9s 44T front chainring to replace a worn one. It's for the correct chain type (HG). The original was a 10s 44T. I have a (new) 10s rear cassette and (new) 10s chain. (CN-...
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2answers
722 views

How does lubricating your chain help protect your cassette and chainrings from wearing too?

I just got my mountain bike back from the shop after a frame warranty, and they replaced my chain as it was apparently worn (2x11). They recommended changing the cassette and chainrings while I was at ...
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3answers
982 views

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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4answers
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What to get? How do I know whether what I'm looking at is a BSO? (Bicycle Shaped Object); what should I do about the multiple chainrings?

I'm about to get a ridiculously cheap bike (~$200) sometime soon and have limited my options to two bikes. One is the BTwin Riverside 120, which people here in India who have put up reviews don't seem ...
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1answer
95 views

Chain slips off chainrings with a lot of pedal force

I have a 2001 Raleigh R600 road bike. It wasn’t ridden much when I got it, and I’ve recently been putting some miles on it. It was a 3x9 speed with 9 speed components. I just changed: Wheels Cassette:...
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2answers
292 views

Freewheel replacement for a touring tandem bike

I have an older touring tandem bike that we use to go on long trips. The gear setup is 3x7. I noticed that we hardly ever use the smallest 3 cogs on the freewheel (of course together with the largest ...
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3answers
147 views

Custom/modified Drivetrain 2x/3x Considerations and Planning

Planning a drivetrain setup for a new bike: Currently running old Shimano 3x9 44/32/22t on 11-34t, which gives me 19-115 gear-inches (about 620%). I used 29x2.0, 170mm crank to calculate my current ...
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2answers
96 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
203 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
91 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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2answers
104 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
33 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
63 views

Ultegra 6800 chainrings and Claris r2000

Does claris R2000 crank arms can fit ultegra 6800 chainrings?
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1answer
74 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
51 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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1answer
72 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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0answers
136 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
108 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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1answer
74 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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1answer
68 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
163 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
178 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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6answers
915 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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0answers
68 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
269 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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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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1answer
89 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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1answer
114 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
99 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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2answers
88 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
168 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
55 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
155 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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0answers
41 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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1answer
157 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
57 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
62 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
290 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
148 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
203 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
64 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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2answers
156 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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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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