All Questions
Tagged with derailleur repair
23 questions
1
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0
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764
views
Shimano 105 r7000 front derailleur hard and clunky shifting, shifter harder to shift
A total newbie to DIY bike repair here, and my Shimano 105 r7000 FD is shifting really harshly after a wash. Washed it with dish soap plus water solution, however I did not give the FD any specific ...
- 11
2
votes
0
answers
135
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 ...
- 121
0
votes
1
answer
1k
views
Direct mount vs. hanger derailleur
Currently repairing a bike that I got off the road for free years ago. Around three years ago, a stuck link caused a chain jam while pedaling at high speed, causing the metal around the b-knuckle on ...
1
vote
4
answers
9k
views
OK to ride with a slightly bent mech hanger?
My rear derailleur took a knock from a fall, and the entire shifting range moved inwards by about one sprocket width. I suspect, but am not sure, that the mech hanger got slightly bent (could be ...
- 679
5
votes
2
answers
862
views
Mystery little bolt fell off near rear axle
Hi All! Please help with advice. I was doing some regular brush cleaning on my new Diamond Mission Pro bike that I purchased off the diamondback website (less then month old). A little bolt near rear ...
- 53
0
votes
1
answer
476
views
Bought used bike, Shimano derailleur does not work - how to repair or replace?
So I'm new to biking and I purchased a really good bike at a reasonable price. It's a 7 speed bike and as you can see the derailleur is messed up. I'm not sure how to find one that will work. I found ...
- 19
1
vote
2
answers
825
views
Change gear on a shimano Schwinn Ranger, not sure what Allen key size to use?
I've tried an Allen key 7/64 but that didn't work and the others on my Allen key set but none seem to fit this shimano on a Schwinn Ranger.
One of the derailleur cogs broke in half.
Here is an image ...
- 123
3
votes
2
answers
236
views
How to replace derailleur cable housing?
My derailleur cable housing (sheath) has exploded:
I bought a new sheath of the exact same length:
PROBLEM: Now I realize that unlike brake cables that are like []------, derailleur cables seem to ...
- 363
3
votes
2
answers
2k
views
Shimano Claris shifter double/triple shifting up (when moving to smaller, harder cogs) on the rear derailleur
Although my rear derailleur is properly indexed it's suddenly started to double or even triple shift on an upshift - i.e. when moving to harder, smaller cogs on the cassette.
This happens whether I'm ...
- 53
2
votes
2
answers
744
views
Campagnolo Athena - Lost plastic part on front derailleur. Now the chain is droping on upshifting
Somehow the plastic part on the side/front of the derailleur is lost. Now I can't shift properly because the chain drops to the outside on an up shift.
The plastic part is visible in this image. Its ...
- 707
1
vote
3
answers
326
views
Shifting 1>2 does nothing, shifting 2>3 puts me into 2nd. What's wrong?
I'll be in first gear on my front derailleur, and shift up to 2nd. Nothing will happen at all. Then I'll shift up to 3rd, and I'll finally switch into second. 3rd gear is inaccessible.
What could be ...
- 141
16
votes
8
answers
16k
views
If a derailleur cable snaps on a long ride, how can I keep going?
A couple weeks ago I rode around Crater Lake, a 35 mile ride with over 4500 feet of cumulative elevation gain – the sort of ride you really want functional gears for.
The night before my rear ...
- 3,893
1
vote
3
answers
3k
views
How do I stop my rear derailleur from rubbing against my chassis?
I have a fairly new Shimano rear derailleur on a cheap department store MTB a friend gave me. Recently the derailleur (particularly the jockey wheels) have started to rub against the chassis in high ...
- 111
2
votes
1
answer
973
views
Derailleur problems - rear mech slipping forward
I have been riding my Trek Fuel Ex 8 for a few years now, and as I have improved, I have been attacking more challenging terrain.
I have started to notice a problem in my rear mech - the link arm ...
- 708
7
votes
3
answers
2k
views
What are the most common causes for hysteresis in the rear derailler?
I have often seen derailleurs on cheap MTBs to degrade in performance by showing hysteresis. By that I mean that to switch to a certain cog, one needs to shift one cog further and then immediately one ...
- 14k
0
votes
1
answer
236
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I'm worried about my derailleur snapping. The chain isn't running around the bottom pulley, it's running next to it
I'm worried about my derailleur snapping. The chain isn't running around the bottom pulley, it's running next to it, scraping against the bottom pulley and the frame. When I change gears it makes a ...
- 11
3
votes
2
answers
2k
views
Rear derailleur and front shifter are not indexing "together"?
So my rear derailleur and front shifter have stopped working together, my shift can shift once up and then nothing. My bike has essentially turned itself into a 2 speed.
The shifter is a 2300 shifter ...
- 131
1
vote
3
answers
568
views
Refitting Cable to Rear Derailleur
Whilst riding recently the cable slipped from the clamp on the rear derailleur.
I'm attempting to affect repairs by re-clamping the cable. However by pulling the cable tight I have lost the bottom 2 ...
- 121
4
votes
3
answers
3k
views
Front derailleur sticking, not shifting. Will soaking in solvent damage parts?
I've got an older deore lx front derailleur for a mountain triple crankset. It wasn't shifting properly, and it seems that it's sticking and not returning back to a neutral position when I shift it. ...
- 18.3k
-1
votes
2
answers
296
views
the derailer is touching chain and it won't let me go past 14 speed supposed to go 21 speeds
The derailer on my 21-speed bike looks like it's bent. It won't let the chain go onto the 3rd ring of the front derailer so, no I can't shift past the 14th speed. If I try it makes a loud sound, like ...
- 11
2
votes
1
answer
3k
views
Front derailleur doesn't change from grear 1 to gear 2
I have a Shinamo Tourney front derailleur that doesn't change well from gear 1 to gear 2 (I'm new to bicycles so I don't know standards, so I think I should specify that gear #1 is the smallest).
In ...
- 21
18
votes
2
answers
57k
views
Chain slipping off derailleur jockey
Last week, I had to abandon a training ride due to my chain slipping off my rear derailleur jockey wheel. This would only happen when shifting, and most often when either shifting chainrings or ...
- 8,619
3
votes
6
answers
13k
views
Adjusting rear derailleur - shifts to lower gear, but not to higher
Well, it will shift to a higher gear, but it takes two clicks of the shifter and it skips over a gear when it does shift. With one click the chain hangs on the current gear by the slimmest if threads. ...
- 133