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1 vote
1 answer
151 views

Chain / Chain wheel: D type vs sealed type

I have spent a good 30 minutes on this site but couldn't find anything pointing a clear idea. I bought a 26 inch, Dual suspension bike. It has a chainwheel of "sealed type." I asked the ...
PotatoGuy's user avatar
3 votes
1 answer
1k views

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 ...
Jamie Kitson's user avatar
0 votes
2 answers
5k views

Vibration feel on pedals

For a while, I am having a vibration feeling (and actually it vibrates) through my feet from chain. It is not because of front derailleur, I have just aligned them. There are no problems with rear ...
Yusuf Alper Şahin's user avatar
0 votes
2 answers
104 views

I am thinking about changing my drivetrain to a 1xN. Do I need a new chain?

I am think about changing to a 1xN drivetrain, and I was wondering if I needed to change the chain as well.
Keyin Liu's user avatar
  • 231
0 votes
1 answer
201 views

Is my bike safe to use if cogs and crank is not that aligned?

Hey guys is it fine if my freewheel bike which is single speed is not that straight with its chain line, because my cogs and crank arent that straight but it is also not that far, im thinking if it is ...
Jebs Jebs Santillan's user avatar
4 votes
2 answers
1k views

How worn is this chainring?

I have the chainring shown below. It's the front sprocket of an ebike. Does this chainring need replacing or are the teeth still OK?
Dmitri Nesteruk's user avatar
1 vote
1 answer
1k views

Should I get a smaller chainring or bigger cog?

I built a single speed bike about a year ago, and am starting to change out parts to make it more comfortable for me. The first thing I'm wanting to change is the gear inches, which I didn't give much ...
TheStrangeQuark's user avatar
4 votes
5 answers
7k views

Difference between two drivetrains with the same gear ratio?

Given two identical, fixed-gear bicycles, one with a 36/12 gear combination and another with 48/16, will there be any noticeable difference when pedaling these two bicycles? I understand there may be ...
NaOH's user avatar
  • 203
5 votes
3 answers
3k views

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 ...
dork's user avatar
  • 837
5 votes
2 answers
503 views

Is the same effort required to maintain a set speed using different sized chainring / cog combinations with same ratio

If I have a bike with the same cranks setup with a 36t (chainring) / 12t (cog) ratio and the same bike setup with a 48t (chainring) / 16t (cog) ratio, would the effort required to maintain a set speed ...
Benzo's user avatar
  • 18.3k
3 votes
1 answer
3k views

why do left shifters switch chainrings and right shifters cogs?

Can that be changed? Is it just convention? Is there any commercial bike that comes with a left-shifter that switches cogs?
Vital V's user avatar
  • 357
5 votes
7 answers
11k views

How to measure chainring / cog wear?

Other than attempting to estimate whether a chainring or cog is worn and needs replaced by eyballing it, is there any way to measure the wear on chainrings or cassette cogs so you can determine ...
Benzo's user avatar
  • 18.3k
3 votes
2 answers
3k views

What is causing noise/vibration high power input on right hand (drive side) crank?

I am getting a repetitive grinding sound/slight vibration while fully mashing on my Kona-humu single speed. Description of Problem This grinding is more similar to what you would hear from an un-...
Glenn's user avatar
  • 1,437
10 votes
5 answers
25k views

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 ...
Drew Stephens's user avatar