Questions tagged [derailleur]
Mechanism to move the chain from one sprocket to another.
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Does anyone make dummy batteries for eTap AXS derailleurs?
I just got a new Specialized Roubaix Expert with SRAM parts. I discovered that lengthy car rides drain the batteries because the derailleurs are triggered into activity by motion.
Solution? Take the ...
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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 ...
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Apart from the size, is there any difference between chains for derailleurs or for single-speed / internally geared hubs?
I might need to replace my bicycle chain (see this question). The store where I've bought components before (cyclecomponents.com) seems to be entirely marketed to derailleurs, and I have an internally ...
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Rear derailleur shifting poorly, skipping gears
I've got a Shimano Sora on a 8-gear cassette, and have odd behavior and skipping, shifting under stress.
This started with a trip to the mechanic for a tune up which replaced the chain. I had some ...
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Is it okay for my rear derailleur to be as "compressed" as this when in the lowest gear on the bike?
Recently replaced the cables on this old road bike. When indexing the cable I notice how compressed this derailleur is and the two cogs are almost touching - it certainly doesn't look right to my ...
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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/...
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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 ...
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Can a road bike's rear derailleur be used for either a 9 speed cassette or 10 speed cassette?
I currently have a 9 speed 11-25T cassette on my road bike. I'm thinking about switching to a different cassette with more teeth on the climbing gear. The cassette I'm currently look at is a Shimano ...
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Is my chain too long?
I'm in the process of setting up a new drive train. When using the smaller chainring and smallest sprocket (hence least amount of utilized chain), the chain brushes up against the bottom of the ...
user1480
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Why aren't derailleur hangers made into standard shapes?
That small piece of metal can render a bike unrideable, and sometimes a repacement is impossible to find.
There are standards for headsets, bottom brackets, brake mounting points, OLD and dropouts, ...
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Setting light to a derailleur
At 3:30ish in this video, they set light to a front derailleur. Why? Degreasing it? Waxy lube that needs melting in? I can't think of a good reason. Any ideas?
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Why do current, entry-level shimano rear derailers have large-diameter pulleys?
I have seen (and recently bought) entry-level rear derailers from Shimano (Tourney for MTB, 2300 for road bike), and I keep wondering why they are making these parts with such large pulleys.
I don't ...
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I failed to replace my chain at the proper interval. Will I have to replace my whole drivetrain?
My bicycle is a 2012 Specialized Secteur. It has 6000 miles (10000 km), and I have never replaced the chain.
I recently began noticing that the chain always seems out of alignment with the rear ...
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Derailleur adjustment: front or rear first?
When adjusting both front and rear derailleurs, which should be done first?
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Which limit screw is which?
I had to replace my front derailleur on my mtb. Now I just need to adjust it however the limit screws are not marked. Does anyone know if the L limit screw is closest to the frame? Or is that one the ...
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