All Questions
15 questions
1
vote
0
answers
47
views
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
1
vote
1
answer
176
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 ...
- 23
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 ...
- 181
0
votes
2
answers
6k
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 ...
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.
- 231
0
votes
1
answer
212
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 ...
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?
- 1,067
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 ...
- 135
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 ...
- 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 ...
- 837
5
votes
2
answers
504
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 ...
- 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?
- 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 ...
- 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-...
- 1,447
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 ...
- 4,530