Unanswered Questions
34 questions with no upvoted or accepted answers
4
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answers
237
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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 ...
- 141
2
votes
0
answers
50
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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-...
- 2,090
2
votes
1
answer
243
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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 ...
CommunityBot
- 1
2
votes
0
answers
59
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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 ...
- 21
2
votes
0
answers
416
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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 ...
- 21
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 ...
1
vote
1
answer
38
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Can a 37 total capacity setup do good with a 37 total capacity shortcage ss rear derailleur?
I've been asking this question for a few days now and I've been so curious about it
My setup is a 11-32t sprocket and a 50-34t crankset, the total of that is 37
The main question is in the title but ...
- 2,837
1
vote
0
answers
48
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 ...
- 5,202
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 ...
- 165
1
vote
0
answers
37
views
Compatibility Shimano rear derailleur RD-6300
I have this Shimano 600ax. Due to my stupidness I broke the body of the rear derailleur endings its life. There are other rear derailleurs (RD-6300) on ebay for example but these are very expensive ...
- 5,202
1
vote
0
answers
38
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Chain goes slack in gear 5-10 and very noisey hum
When I’m coasting downhill >35 kph and chain is in gears 5-10 and I hit a bump the chain goes slack, a very loud irritating hum/vibration sound is emitted from the rear wheel until either I pedal ...
- 11
1
vote
0
answers
143
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Chain creaks under pressure
Just adjusted my back derailleur and now the chain makes a loud creaking noise while under pressure. When on a repair stand the shifting is perfect but while biking it’s horrible and the sound & ...
- 28.4k
1
vote
0
answers
176
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Can i use claris R2000 rd on 14-34T mega range sprocket?
I have sprocket 14-34T with mega range. I planned to change my old (maybe 1990's) shimano tourney rd to shimano claris R2000 medium cage. Some of my local bike shop said that i can replace with claris ...
- 51
1
vote
0
answers
220
views
Direct mount rear derailleur
I'm upgrading an old MTB for commuting, it had a 5 speed on the back but I'm going to be putting on a new 26" rear wheel with a 7 speed cassette because the freewheel axle wobbles, makes noises ...
- 328
1
vote
0
answers
90
views
Campagnolo rear mech screw type
My limit screws' heads have gone rusty, I want to replace them for looks and to make sure they are easy to adjust on a ride. I would love hex rather than Philips heads!
Does anyone know the type of ...
- 12.9k
1
vote
0
answers
903
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What is the thread size/measurement of the derailleur barrel adjuster?
The barrel adjuster threads on my commuter bike's RD have been marred when the barrel adjuster got bludgeoned on a side crash and I want to chase the threads before screwing in the replacement barrel ...
- 1,305
1
vote
0
answers
298
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Can't get in first gear on Shimano ten speed block
Just replaced drive chain on mtb ... new cassette (Shimano 10 sp ) new chain (Shimano 10sp) new rear mech (Shimano 10sp long) and new (Shimano 10sp). I've set bottom stop tensioned cable and adjusted ...
- 75.7k
1
vote
0
answers
784
views
SRAM eTap rear derailleur chain drop issue
I’m having an issue with my chain falling off the lower pulley wheel when (1) I hit a significant bump or (2) shift from large ring to small ring. But only in cogs 6, 7, 8. Any suggestions? I’ve ...
- 5,688
1
vote
1
answer
69
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Compatibility question
I was wondering on a mountain bike what rear derailleurs work if have a 21 speed bike.
Additional information: 7 ring rear cassette and 3 in the front
Will an 8 and 9 speed rear derailleur work or ...
- 13
0
votes
0
answers
16
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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 ...
- 5,202
0
votes
0
answers
163
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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-...
- 183
0
votes
0
answers
61
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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
69
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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 ...
- 5,202
0
votes
0
answers
302
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 ...
- 128k
0
votes
0
answers
16
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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?
- 1
0
votes
0
answers
49
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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 ...
- 1
0
votes
0
answers
81
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Fixing up a rusty old Rallye mountain bike
I bought a Rallye mountain bike from Facebook Marketplace last year and did most of the major overhauling then as well. It was covered in mud, gunk, rust, had broken pedals, etc. So I had replaced the ...
- 21
0
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0
answers
77
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Bracket axle for Shimano RD-2300 rear derailleur
Where can I find a bracket axle for Shimano RD-2300 rear derailleur? I searched everywhere and I didn't find one. I need to mention that the frame type is Speed Fitness Alloy and bike is a Focus ...
- 75.7k
0
votes
0
answers
51
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What might be causing the faulty shifting on my bike?
I bought a used bike that has 8 speed cogs and 3 speed chainrings. The front shifts great but the back regularly fails on the 6th and 5th speeds. I know a bit about adjusting the shifters so I can say ...
0
votes
0
answers
37
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Rear derailleur not shifting first time from lowest gear
I am installing new cables and trying to reconnect the rear derailleur. I can the gears indexed perfectly on the way up but when I try to shift down from the lowest gear (biggest cog) it doesn’t move ...
