Mechanism to move the chain from one sprocket to another.

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1answer
96 views

Is this a short cage or long cage rear derailleur? [duplicate]

Is there an easy, objective way to tell?
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1answer
230 views

Replaced faulty Shimano twist shifter but front derailleur still won't catch 3rd

I have one of the ubiquitous Wal-Mart-sourced Chinese Kent bikes, badged as a "GMC Denali." It came with the Shimano RS41 3x7 twist shifters. The front shifter got to where it would not physically ...
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1answer
347 views

Slow switching up higher gears

I have a fairly new MTB and I'm currently trying to tune the gears. Currently I can change down gears pretty smoothly I.e. 6 > 5 > 4 etc but going up the gears is slow for the chain to switch cogs. ...
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1answer
337 views

7 speed front Derailleur on 9 speed crankset

I have 9 speed crankset (44-32-22 FC M542), and matching RapidFire 9x3 speed shifters (FL M590). Can I use 7 speed front derailleur FD M550 in that combination?
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407 views

What are the shimano rear derailleur families?

What are the rear derailleur families, offered by Shimano? I need to replace a Shimano Acera derailleur and am trying to decide on a replacement part.
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979 views

Change my Shimano SIS rear derailleur of 7 speeds to a better one?

I recently broke my rear derailleur of my road bike it was a Shimano SIS 7 speeds, so I am thinking if I can get a better one like a sram or deore or I don't know. Thank you for your help.
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1answer
60 views

The spring in my front dérailleur is jammed

My front derailleur is jammed by dirt (grease + fine dust), because of this the gear doesn't shift perfectly and chain is thrown off the cog. The spring is a bit unreachable because the derailleur arm ...
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4answers
65 views

Are these SIS Mountain/City Bike Derailleurs compatible with drop-bar shifting?

I'm considering the conversion of my flat-bar hybrid bike (GIANT Escape 3) in to a makeshift road bike, complete with drop bars. However, if the derailleurs have to go, it may not be cost-effective to ...
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0answers
22 views

How often should I lube with Pedros Ice Wax? [duplicate]

I'm a usa cycling road racer. I just got a recommended lube Pedros Ice Wax. I ride about 100 miles a week. How often should I lube my chain with it and how often should I clean it?
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33 views

How to determine what FD is compatable with a hard-tail MTB frame?

I have a Dartmoor Hornet frame and am attempting to install an SLX 2x10 groupset. However the deralleur is FD-M676, which appears to be 'high clamp'. It is not evident from the pictures, but the ...
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0answers
54 views

Is this FD compatible with this crankset: 2 teeth too litle

I am a proud owner of this guy. The crankset is SRAM S1200, 36/22 and the FD is SRAM X7, direct mount. However, the cage on the FD broke, and I ordered this item in a hurry. 1) Dyna-Sys 10-speed ...
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1answer
148 views

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 ...
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1answer
197 views

Chain fell out of rear derailleur when wheel off.

I took my rear wheel off to fix a flat and hung the bike up by its front wheel to store. when I returned to put the tire back on the chain had slipped totally out of the rear derailleur, caged jockey ...
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2answers
239 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 ...