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Unanswered Questions

40 questions with no upvoted or accepted answers
1 vote
0 answers
16 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 ...
0 votes
0 answers
16 views

Shimano Ultegra 9500 set rear mech skips 8th gear

I'm riding a stock Schwinn fastback road bike from around 2004 that came with a Shimano Ultegra 9500 set, with 2x9 speeds. I have never messed with the derailleurs as they've always worked fine. The ...
1 vote
0 answers
35 views

Shimano Alifine 8 IGH yellow dots will NOT line up

With shifter in 4th gear, per instructions, the upper yellow dot is about 3/16" ahead (clockwise) of the lower yellow dot. Whether I adjust the barrel connector (at the shifter) to one extreme or ...
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 ...
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 ...
1 vote
0 answers
49 views

New tire tube and grinding noise?

I punctured my tire tube so i had to remove my back wheel out and replaced the tube, when reassembled, derailleurs started making grinding noises. I checked where the sound was coming and it was ...
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-...
1 vote
0 answers
72 views

Not able to shift from a specific gear

I have a 9-speed rear derailleur and shifting from 1 to 9 isn’t a problem except when it is from 6 to 7, while downshifting has a bit of lag, upshifting takes forever and sometimes it doesn’t even ...
0 votes
0 answers
167 views

Replacement pulleys for Shimano Deore XT RD-M739 SGS derailleur (8sp)

Wondering what replacement pulleys I should get for this type of derailleur. All details of the derailleur can be found here: https://velobase.com/ViewComponent.aspx?ID=4f90a749-6254-4a37-840d-...
0 votes
0 answers
62 views

My derailleur doesn't go from gear 1 to gear 2 by itself but the rest does

The derailleur doesn't go from gear 1 to gear 2 by itself so I have to manually push it, it works perfectly fine shifting from 2 to 7 but when I try to change the gear to 8, it stays on 7
0 votes
0 answers
71 views

My bike won’t change out of first gear

NoI’ve tried changing the looseness of the H and L screws but my great problem remains the same. It won’t change out of first gear even when I manually put it into another gear. The back derailer is ...
0 votes
0 answers
315 views

Which currently available rear derailleur would work as a replacement for a Schwinn Boundary 29 Pro Shift?

I would like to change my rear derailleur. I have a Schwinn Boundary 29 inch, Pro Shift. I am not sure what year. Which currently available derailleur would mount up to the frame and operate correctly ...
0 votes
0 answers
16 views

Claude butler urban rear derailer upgrade

Hi looking to upgrade rear derailer. Currently has shimano tourney tx30 with 3 x 7 set. Can I fit a deore instead?
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 ...
0 votes
0 answers
49 views

Chain slipping at specific chainring angle

1x11 road bike suddenly starts “slipping” gears without fully jumping gears. I noticed that, only when pedaling backwards in the bike stand, it happened in 180 degree intervals at a specific part of ...

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