All Questions
Tagged with chainring drivetrain
42 questions
1
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0
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Recently replaced fixed gear drive train and the chain has stretched 1/8th inch over 24 links in under 200 miles
I have a wabi classic. Over the last few months it became apparent that the drive train needed to be replaced. I would replace a chain and it would be badly stretched after a week or two (~100 miles). ...
- 21
4
votes
1
answer
393
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New chain coming off under torque
I replaced the chain recently - the new chain unships violently when I apply a moderate amount of torque, such as when setting off standing.
As in, it comes off the big ring to the outside (i.e. away ...
- 173
0
votes
0
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139
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Is it a X sync or an X sync 2
This chainring is it an X-SYNC or X-SYNC2?
https://www.bike-discount.de/en/sram-eagle-12-speed-chainring-x-sync-2-direct-mount-6mm-offset
It is sold as xsync2 but on the chainring is clearly mentioned ...
- 145
2
votes
4
answers
2k
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9/10 speed chain with vintage 2x5 crankset
I have an old crankset from an 80s 10-speed (2x5) bicycle with downtube friction shifters. The chain currently in use is marked as "6/7/8 speed," but works fine on the 5-speed freewheel. For ...
- 841
2
votes
1
answer
767
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Crankset compatibility: Can I replace Shimano FC-M521 with FC-T4010?
I recently bought a Jamis Coda Elite (2012) second hand. I'm slowly replacing all of the drive train as most of the components are worn.
According to p114 of the original product catalogue, the bike ...
- 155
13
votes
3
answers
3k
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Whatever happened to the 4 x n derailleur drivetrains?
Around the mid-1990s I am positive I remember seeing bikes with 4 x n drive trains e.g. 28-speed (4 x 7 gears).
There is nowadays a trend towards just 2 or even 1 front sprocket e.g. 1 x 12. More than ...
- 273
2
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1
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629
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120 BCD Chain ring compatibility
I am converting my merida silex from fsa omega bcd 120/90 bcd 2x9 to a 1x9 drivetrain. I am keeping the cranks and bottom bracket and trying to only change the rings.
There are not many 120 bcd narrow ...
- 45
-1
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1
answer
62
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Chainring compatible
i have a Alivio m3100 Cassette cs Hg400 (12-36T) and m3100 rd, can i installed a 2x crankset Gxp (28-38T) on my drivetrain alivio???
21
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10
answers
4k
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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 ...
- 17.3k
0
votes
3
answers
591
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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 ...
- 19
3
votes
2
answers
312
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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 ...
- 265
1
vote
1
answer
538
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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 ...
- 449
1
vote
1
answer
142
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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.
- 11
19
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4
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14k
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Why do people use bigger cassettes for lower gearing when they could instead use smaller chainrings?
I want lower (sub 1:1) gearing on my next drivetrain but also a decent range, reasonable spacing between gears and still be reasonably light.
While looking at different combinations of components, I ...
- 193
0
votes
1
answer
478
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Cassette, chainring, chain compatibility
I've taken on trying to nurse my husband's bike back to life.
It is a 2012 Specialize Venge with Dura-Ace Di2 (very old version); Specialized pro FACT carbon chain rings, Ultegra 10-speed cassette.
...
- 9
-2
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1
answer
124
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Chain guides; yay or nay? [closed]
So, recently i've bought a new chainring online and it will be sent to my home soon. And i thought to myself, should i get a chain guide? The chainring has narrow wide teeth so the chain will not fall ...
- 1,000
0
votes
2
answers
370
views
Change from 2 chain rings to single chain ring on a MTB. What size should I take?
My current drive train is pretty much used up and needs replacement. I thought with this occasion, I could replace my curret drive train (2 chain rings, 10 speed cassette) with a singe chain ring and ...
- 395
3
votes
2
answers
396
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Can I somehow attach a bashguard on top of largest chainring?
I have a 1x system with an ordinary 104BCD chainring and I bought a bashguard foolishly thinking it goes on top of that. Turns out a bashguard typically replaces the largest cog and I've got only one.
...
- 1,067
3
votes
3
answers
275
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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 ...
- 4,043
6
votes
1
answer
18k
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Replace a 52/36 crankset with 50/34
I'm looking at purchasing a new bike with a 52/36 crankset on a 11-32 cassette. I've grown accustomed to a 50/34 crankset on the same cassete, and for the type of riding I do in the PNW (300-400ft ...
- 245
2
votes
2
answers
225
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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 ...
- 141
3
votes
2
answers
140
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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 ...
- 31
2
votes
0
answers
120
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Nasty noise from chain device
Hi I've purchased and fitted a superstar components plasma chain device in my specialized big hit. It makes a terrible noise and I really don't see why. As far as I can see I've set it up correctly ...
- 123
1
vote
2
answers
2k
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Chainring for 1x8 drivetrain
I'm building a city/light-touring bike with a single chainring and an 8 speed cassette (11-32T). I bought cranks with the wrong chainring; one for single speed, with a 1/8" chain. I now want to make ...
- 487
5
votes
3
answers
3k
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Does effort require to pedal depend on the gear ratio or the gear inches?
I have a 20x1.75" 6-speed folding bike with 52x14-28t drivetrain. Even with the gearing at 52x14, ~3.71 ratio, I can still pedal uphill.
I also have a 700x25C fixed gear with 49x17t gearing or ~2.88 ...
- 837
0
votes
1
answer
149
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If I replace the cassette on my road bike, should I replace the whole drivetrain? [duplicate]
Relatively new to road cycling, have bought a 2nd hand bike and am thinking some parts of the drivetrain need replacing. Have tried to find this online and can't find any answers. Thanks!
1
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0
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87
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Will removing extra chainring mess with chain alignment? [closed]
I have a folding bike with 1x6 speed. I plan on making it a 1x9. I saw this crank set and cassette, 3x9 speed, for a fairly cheap amount and was thinking of getting them and installing on my bike. If ...
- 837
9
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4
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2k
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Do aluminium chainrings/cassettes contribute to chain wear?
In trying to achieve a long lasting, low maintenance drivetrain, I've read statements about aluminium oxide being the source of the black colour of chain dirt and also being highly abrasive:
...
- 349
4
votes
5
answers
23k
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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 ...
- 225
2
votes
1
answer
2k
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SLX chainring compatibility
I'm considering swapping the inner ring on my SLX double chainset (M665) from 22T to 28T. I noticed that the newer M675 has a 40/28 option, so I figured that the 28T chainring from this set-up would ...
- 4,043
4
votes
3
answers
3k
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Chain falling off inner chain ring no matter how L screw is set
Bike is a relatively new Cannondale Carbon Synapse with the Ultegra 6800 groupset (although front chainrings are FSA). Has about 1000KMs on it.
Bike has been great, but I went out on a ride today ...
- 275
1
vote
1
answer
534
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Going from a 1x8 to 2x10 setup
After using my bike for a year I feel that although I enjoy the simplicity of a single chainring setup, I would prefer a more versatile 2x10 setup and would like to move to it. Currently the two ...
- 13
4
votes
2
answers
1k
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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 ...
- 41
6
votes
2
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715
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At what point does one need to replace a chain ring on a mountain bike?
The large chainring on my mountain bike is missing a number of teeth on one side (apparently the side I like to go over rocks on). Is it harmful to the drivetrain to ride without these if I'm not ...
- 263
2
votes
1
answer
1k
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Are these chainrings the reason my chain skips/hops?
When I ride my bike normally, then chain skips like crazy. I know it skips in the front because I stuck some paper in the chain to see if it moved and it didn't.
Chainrings:
- 21
9
votes
3
answers
33k
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Can I replace chainrings without replacing the rest of the drive train?
I now ride a 60cm SurlyLHT with chain rings at 26/36/48t. Can I replace with a smaller set at 22/32/46t (or similar combination) without having to replace the entire drive train - cassette, rear ...
- 91
8
votes
6
answers
14k
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Why are there almost no bikes with a single chainring?
Bikes with two or three chainrings are the norm, and then there are singlespeeds, but except for kids' bikes, you see almost no stock bikes with a single chainring in front but a cassette and ...
- 257
3
votes
1
answer
1k
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When Installing chainrings which are pinned, how should I orient the chain drop prevention pin?
I'm setting up a double crankset with a new front chainring which is ramped and pinned. How should I orient the outer front chainring with respect to the chain drop prevention pin? Should this line ...
- 18.3k
2
votes
1
answer
1k
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Need help choosing compatible rear derailleur, cassette & chain
I just "inherited" a bike that has no rear derailleur or chain. It also looks like the cassette is pretty worn, so I'm thinking about replacing that too. I've looked around on the forum and I think ...
- 21
14
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7
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35k
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Mysterious case: chain falling off large chainring, how to fix?
On my commuter bike I decided to rid myself of the small inner chain ring (which is almost never used) and front dérailleur (now redundant). However, I have come across an unusual problem. Whilst ...
user1092
21
votes
2
answers
4k
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Is there a practical gain from elliptical/oval chainrings?
I have seen competitive (amateur) cyclists with oval chainrings (front). What is the deal? Are they just for showing off, or is there a practical gain from it (different force transfer).
- 3,289
10
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5
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25k
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How much distance can I put on drivetrain components?
I figure the jockey wheels on my derailer will last nearly forever, but what about the rest: cassette, chainrings, and chain? How many miles, kilometers, or furlongs do they normally last?
I know ...
- 4,530