Questions tagged [derailleur]
Mechanism to move the chain from one sprocket to another.
765 questions
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. ...
5
votes
7
answers
15k
views
What to use to clean a derailleur?
I'm not sure what type of solvent to use to clean a derailleur.
18
votes
2
answers
45k
views
When to change derailleur pulleys?
A friend said me that if you have one part in a very bad condition like a cassette and then you put a new stuff like a new chain it will destroy the new stuff very quickly. A LBS said that I should ...
4
votes
3
answers
54k
views
Unable to shift to lower gears; Shimano 6 speed SIS rear deraillers
Presently I'm able to ride my bike only in 5th and 6th gears. I cannot turn the shifter (it's too tight) to move the chain to lower gears. The low stop-screw is all right and it was working till ...
7
votes
3
answers
2k
views
Single speed conversion chain keeps derailing rear cog under load?
The chain on my SS mt bike keeps coming off the rear cog under load (like when I hit a steep hill) it will hold right after it's tightened but after a few hills it starts coming off non-stop. Talked ...
15
votes
2
answers
6k
views
Is there a downside to spoke protectors?
A few weeks ago, the derailer on my touring bike caught on the chain and ripped itself off the frame. (See the link below for more info on the incident.) The spoke protector was cracked in half by ...
10
votes
2
answers
2k
views
How do I locate and loosen the rear derailleur hanger bolt?
Context:
I need to remove my rear derailleur so that I can attach an alignment tool and straighten things out.
Images of the rear derailleur while the bike is upside-down:
http://www.zooomr.com/z/...
8
votes
2
answers
4k
views
Putting a front Derailleur on a carbon frame
Do you put anything under the clamp on the carbon to protect it? In the past I've tightened brakes on MTB handle bars to much and wrecked them so I'm wondering.
10
votes
3
answers
8k
views
Why does my rear derailleur keep breaking?
I upgraded my rear-mech with a new cassette, chain and new cables a few weeks ago since then i've mangled two rear mechs!
Both times I've just been riding along; not in a big gear; not at the ...
8
votes
5
answers
1k
views
What can I do to keep my rear derailler in good condition when commuting in the snow?
In the winter, it seems that whatever I do, my rear derailleur stops functioning after few weeks of commuting in light snow. Ice always gets in there somehow, and the chain refuses to move the wheel, ...
11
votes
3
answers
39k
views
How do I adjust my rear derailleur (Shimano SIS) when it is only slightly out?
It has been a while since I had my bike serviced and the gears are sometimes slightly out of perfect alignment. This results in the occasional mis-shift. I also think the change in seasons have ...
49
votes
11
answers
42k
views
What's the efficiency of hub gears compared to derailleurs?
What's the efficiency of hub gears compared to derailleurs? I know that hub gears are not as efficient. Apart from being heavier, how much will I lose in performance if I use hub gears?
8
votes
3
answers
3k
views
How tight should my chain be?
I recently put new tires on my bike, and in so doing, removed and replaced the wheels. It seems that now my chain has more slack in it than before, and if I pedal backwards while in the smaller cog ...
38
votes
5
answers
12k
views
Perfectly setting up gears - how?
Every time I have my bike serviced, the bike shop sets up the gears on a stand in their workshop. The gears change perfectly on the stand, but when the bike is on the road, the rear derailleur doesn't ...
16
votes
4
answers
26k
views
How do I prevent the rear derailleur from slipping gears?
What's the best way to tune the rear derailleur of my bike to stop slipping gears? It seems that every time I re-adjust it, the middle/upper gears are perfectly aligned, but the lower gears never ...