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Unanswered Questions

63 questions with no upvoted or accepted answers
6 votes
1 answer
193 views

The bike derailer will automatically drop to the lowest gear in the rear whenever my cadence slows

I have a REI Coop CTY 2.2 bicycle. Whenever I am biking and my cadence slows down, the bicycle derailer automatically (I am not shifting) to the lowest gear on the rear derailer. Any suggestions on ...
5 votes
0 answers
165 views

Can't find derailleur hanger for an old Nakamura

I tried local parts shops and tried the internet and still can't find the right hanger, And I no longer have the old broken one. I can't even find the bike on the internet, The only photo I found was ...
4 votes
0 answers
279 views

Sram AXS derailleur does not shift

Have you encountered a problem where a rear AXS derailleur stops shifting? Any suggestions? I bought a mint 2023 GX AXS derailleur on Marketplace, it worked for the first short test ride on a road but ...
3 votes
0 answers
70 views

How to properly adjust front derailleur height when it can sway significantly once the clamp bolt is loosened up?

I'm trying to adjust derailleurs myself, for the first time .) the model is DEORE XT following the how-to https://www.wikihow.com/Adjust-a-Shimano-Front-Derailleur the very first step - adjusting its ...
2 votes
1 answer
159 views

pedals only move bike at highest gear

Recently my bike will only move if I’m in the highest gear. I can pedal at lower gears but it will not move my bike forward at any reasonable speed and when I get up to even a very low speed the ...
2 votes
0 answers
50 views

Something like chainsuck on RD lower pulley after new crankset install?

I just switched out a Shimano M5100 crankset for a SRAM GX Eagle crankset. I am using a KMC X11-EL chain. I cleaned the chain before installing it with the new crankset. My RD is a Shimano SLX 11-...
2 votes
1 answer
243 views

Upgrading Shimano Acera 8 speed Rear Derailleur to 8 speed Shimano XTR derailleur

Looking for some help here. I am upgrading Shimano Acera 8 speed rear derailleur to 8 speed Shimano XTR rear derailleur and it appears that because the old 8 speed XTR derailleur has a clip for the ...
2 votes
0 answers
60 views

clicking chain on 3rd gear only

Shimano DI2 11 speed XTR on my gravel bike. The 3rd from smallest gear on the cassette makes a clicking sound. Any other gear its fine. Cassette and chain are fairly new. Have reindexed, checked ...
2 votes
0 answers
124 views

Gear up lever will not move

I just got a new bike and unfortunately fell off it on the first ride, now the lever to change gear for my derailleur Mezzu Microshift is stuck in the position it would be if you had upped a gear ...
2 votes
0 answers
141 views

Rear wheel not centred

I've been trying to fit a second rear wheel to a fracing frame rebuild and I've noticed it is very off-centre. You can see from the pictures that it is much closer to the non-drive side than drive ...
2 votes
0 answers
416 views

Using 11-36t 9 speed derailleur with 11-40t 9 speed cassette

So I've got the shimano altus rd-m2000 and it says that it only supports 11-36t. However, I've seen people on forums say that it's possible with this derailleur. Even it I was wondering if with a ...
2 votes
0 answers
84 views

What's the type of polymer material used in friction bushings in Sram rear derailleurs clutches?

The friction bushing of an (older) Sram rear derailleur clutch is shown below. What type of polymer material are these made out of? I'm also interested to know what friction materials are used in the ...
2 votes
0 answers
835 views

Why do SRAM rear derailleur not have a parallel movement

My SRAM rear derailleur (Rival 22 circa 2016) has a non parallel movement. When it is in the lowest gear, the cage and pulley sprockets align with the cassette sprockets, but when it's in the highest ...
2 votes
1 answer
174 views

Saddle adjustment

I was given a used specialized rock hopper last year but the seat angle is too high in the front. I've loosened the hex sockets beneath the saddle to adjust the angle but it always screws back in the ...
1 vote
0 answers
13 views

How do you stop the rubber shield from wandering unless you lock it behind the shift outer cap w/ tongue, which introduces a compressible sheath?

I installed the two parts shift outer cap with long tongue, and rubber shield as shown below, but I'm not absolutely sure this is right. If I put the rubber shield (the one on the right in the ...

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