Unanswered Questions
46 questions with no upvoted or accepted answers
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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
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167
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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
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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
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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
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315
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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
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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?
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Band New Front Gear Shift Issue
I brought a bike a few days ago and barely rode it. Every time I did I noticed that the chain would slip in the front gear going to a larger chainring, in this case it's gear 2. 'Funny thing is I took ...
- 128k
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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
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82
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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
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80
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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 ...
- 75.8k
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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 ...
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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 ...
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1
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Apparently too much rear derailleur cable pull
I have a Deore XT RD-M761 GS medium cage derailleur on my touring bike that
seems to move too much per shift. It shifts the chain on a 11-30 8-speed
cassette with chainrings being 36/48 and the ...
- 20.1k
-1
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1
answer
512
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Rear derailleur is not working correctly
Having problems with the derailleur in an old Panasonic 10 speed.
When I shift the bike all the way up to 5th gear ( smallest in the back) the spring on the hanger of the derailleur has no tension at ...
CommunityBot
- 1
-1
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1
answer
203
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Why doesn't the cassette rotate when I backpedal?
I have an old bicycle where backpedaling causes the cassette to not rotate. Instead, the cassette stays still and the rear derailleur bends, providing new chain to go around the backpedaled chainring. ...
- 20.1k