I, too, am having this issue. For me, it happened after going from an
Ultegra 10-speed chain and cassette to a KMC chain and MicroShift cassette,
both in 9-speed. However, the "grinding" sensation didn't happen
immediately, but after about 150-200 miles (after the first chain re-lubing
with
I am having this problem with one of my bikes with a few cogs on the
cassette. I think it's a chainline issue that occurs with one of my rear
wheels. I'll try applying a little more torque on the cassette lock and
see if that helps (good tip from a previous poster).
Toshi
On Tue, Oct 1, 2019
Sounds like chainline to me. Without seeing the bike in person and assuming
everything was tightened correctly, my guess was going to be the chain was
running rough. FYI I have also noticed some chains are louder than others;
for example, KMC 9 speed chains are generally louder on Shimano
No, not the Missing Link. It is called the Bike Kitchen and is located in
the Mission. http://bikekitchen.org/
On Monday, September 30, 2019 at 4:50:59 PM UTC-7, Joe Bernard wrote:
>
> Did you use the repair bay at Missing Link? That's where I learned to work
> on bikes before I had my own
No, not the Missing Like. It is called the Bike Kitchen in the Mission.
http://bikekitchen.org/
On Monday, September 30, 2019 at 4:50:59 PM UTC-7, Joe Bernard wrote:
>
> Did you use the repair bay at Missing Link? That's where I learned to work
> on bikes before I had my own tools.
--
You
Did you use the repair bay at Missing Link? That's where I learned to work on
bikes before I had my own tools.
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Regardless of the cause, though, the grinding gave me an excuse to
dismantle and reinstall every component on the bike over the past couple
months which I have always wanted to learn to do. Fortunately having the
bike co-op close made that easy and provided guidance when YouTube videos
didn't
The BB was brand new and installed by a reputable shop. I don't suspect
there was anything wrong at all with the BB since it only had ~500 miles on
it. I suppose I could have sorted that out by reinstalling the BB after
cleaning the threads, but alas, I didn't.
On Monday, September 30, 2019
How old was the bottom bracket? Those Shimano sealed units usually last a very
long time. So if it was new and I abused, I’d probably say it was the gunk.
I’ve had creaks and groans from dirty BB shells.
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This weekend I decided to replace my bottom bracket to try to fix the
problem since it is a relatively cheap part (Shimano UN-55). I haven't ever
done it before so I figured it would be a fun exercise. The original size
turned out to be a 110mm while the replacement was 113mm. The threads in
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