All Questions
Tagged with chainring maintenance
22 questions
2
votes
1
answer
471
views
Is this level of wear okay on a new chainring
Very recently I bought my first new bike! I only did 750km on it so far. However the the chain rings are showing some level of wear, see picture. The teeth used to be all black, now you can see bits ...
- 295
6
votes
2
answers
6k
views
Chain length differences between 1X and multi-chainring setups
When determining correct chain size, one common technique is to install the chain (without passing it through any derailleur) onto the largest front and rear sprockets. Then, determine the shortest ...
- 3,456
2
votes
4
answers
2k
views
Rust from cassette and chain
I was cleaning my chainring, chain and cassette with vinegar,
to remove unwanted grease but suddenly after a few minutes it suddenly turned slightly orange. It spread all over my rear gears.
I got ...
- 23
21
votes
10
answers
4k
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 ...
- 17.3k
8
votes
3
answers
1k
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 ...
- 17.3k
8
votes
6
answers
1k
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 ...
- 183
4
votes
1
answer
250
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'...
- 41
1
vote
1
answer
894
views
Chainring and chain compatibility for Suntour chainring
just ordered a new chainring for my nexus-8 equipped longtail bike,
it's a suntour 48 tooth chainring shown here:
https://www.srsuntour.com/products/32-tooth-chainring?variant=27528743299
it's a ...
- 113
2
votes
2
answers
1k
views
Should I replace these cassette and chainring?
I saw my bicycle chain very dirty so after many months since last time I cleaned it and I checked the general state of the drivetrain. I totally forgot that a couple of years ago the chain was already ...
- 307
5
votes
4
answers
1k
views
Inner chainring bent on 6 week old MTB
I bought a new Voodoo Bizango 2015 6 weeks ago. When I was out earlier I changed down and the chain somehow got wedged between the 2 front chainrings (It's 2x10) and bent the inner ring. I've read on ...
- 53
1
vote
1
answer
1k
views
Are chainrings specific to double or triple cranksets?
I have a 2008 Specialized Allez with a triple crankset. The large and middle rings were getting worn so I bought replacements of identical tooth counts for them. However, after installing them I found ...
- 2,513
8
votes
2
answers
2k
views
Front derailleur rubbing against chainring
I'm trying to fix up my old (1999) Trek 4500, and I've run into a snag while adjusting the front derailleur. It's a Shimano FD-CT92 (bottom bracket mounted E-type), and it's rubbing against the ...
- 81
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
4
votes
1
answer
679
views
How do I tell if a loose chain is because of the chain or the ring wearing?
My chain looks as though it's 'stretched' - by the time it's fed around the large front chainring it appears to be 'longer' than when on the other chainrings.
Therefore I'm trying to work out whether ...
- 143
5
votes
2
answers
7k
views
Why does the chain tension vary as pedals are turned?
I have a new single-speed bike (after purchase this year, it was unused in a garage for a few months), but as I turn the pedals, the tension in the chain varies noticeably.
What should I check, one-...
- 1,595
3
votes
1
answer
1k
views
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
4
votes
2
answers
10k
views
What are common causes of premature chainring wear?
My bike mechanic told me today that my front chainrings are starting to wear out and I should consider replacing it soon (with my next chain replacement). The cassette is still in good condition and ...
- 920
3
votes
2
answers
1k
views
Biopace chain rings and front deraileur rub
Turns out my front chain rings are biopace, after I thought they had disappeared!
I've got a problem with the chain rubbing the front deraileur at a certain point every rotation. I only get this in ...
- 924
2
votes
2
answers
5k
views
Removing SRAM Red Chainrings
This is almost certainly very simply, but how do you undo the chainring bolts on the SRAM red chainset? I can fit a 5mm (or 8mm can't recall now) hex head into the black screws, but they just spin on ...
- 225
5
votes
1
answer
31k
views
Shimano Chainring Compatability
In my previous question we determined that I probably need new chainrings. I was/am planning on replacing the chainrings, and leaving the original crank.
Now this bike is running Shimano 105 FC-5600 ...
- 225
7
votes
3
answers
13k
views
Bent Chainring causing chain to attempt changing gears
I was riding my road bike last night when something strange happened. I stopped at a stop sign. (I didn't have time to slow down so I was in my highest (fastest) gear. When I started I had to press ...
- 8,596
24
votes
7
answers
64k
views
Does this chainring need to be replaced?
Here is a closeup of my triple:
All three rings are Shimano Ultegra and have never been changed. They probably have at least 12000+ km on them. I've been pretty good about changing the chain ...
- 11k