Mechanism to move the chain from one sprocket to another.

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3answers
2k views

Getting a dura ace 7800 derailleur to work with 10 speeds

I have a bike set up with a dura ace 7800 derailleur, specifically listed as a 9 or 10 speed model. I am interested in getting it working in the 10-speed configuration. Two things: I remember ...
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3answers
73 views

Rear shifting - Unable to shift to toughest gear

I was adjusting my rear shifting following the advice in this video: ...
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1answer
109 views

how to adjust the derailer - apart from the L/H limiting screws

Pardon my newb terminology. My bike's chain will not stay on the H gear (the big ring) The front derailleur will not allow it. I have loosened the limiter screw out to it's maximum and, still, no ...
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2answers
77 views

Road Front Derailleur / Shifter Tuning

I've recently converted into 2spd crankset so I've bought a new 2spd road lever. I'm really struggling now to tune the front derailleur. Could you please assist me by answering this questions: Why ...
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1answer
61 views

What does the chainring have to do with SRAM YAW

I'm shopping for 110 BCD chain rings and I noticed that some of the SRAM ones are labeled "YAW FD only". As far as I can tell the derailleur doesn't touch the chainring so whats so special? Can I ...
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4answers
120 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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2answers
1k views

Can I change my 7-speed rear derailleur to an 8-speed?

I bought a 2013 Cannondale Quick 6 Hybrid for my daily commute almost exactly a year ago, and I'm looking to give it some upgrades. It currently has a 7-speed Shimano Altus derailleur, and I was ...
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1answer
75 views

Problem with changing to high gear on the front derailleur on my new Bianchi Spillo Rubino Altus Rigid

It's a 24 speed bike with 3 gears on front (Cranks PROWHEEL 48/38/28T) and 8 on the rear. I rode it today and when I was moving the front gear to 3 to move the chain to the large ring I have to press ...
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1answer
106 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
266 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
401 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
371 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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1answer
452 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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1answer
1k 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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0answers
11 views

Shimano M4000 vs M592 rear derailleur

Does anyone have an idea which one is better? The price is almost the same in chainreactioncycles.com. So the only thing to consider is user reviews and experience with this components. Thanks in ...
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2answers
64 views

Can't shift to gear one or two

I had an issue where every time I put my bike in gear 3, it would just keep "skipping". By this I mean that it wouldn't stay in gear 3; the chain would go onto it, then fall onto gear 4, then go back ...
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0answers
15 views

rear derailleur [duplicate]

I need to replace a Suntour rear derailleur that was damaged in an accident. The inside is stamped with MAEDA HIV HB. Could you recommend an inexpensive compatible replacement? The bike is a ...
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0answers
53 views

How do I find a compatible replacement for my rear derailleur?

I need to replace rear derailleur that was broken in an accident. The derailleur is Suntour with lettering stamped on inside - Maeda Ind. VIA HB. How do I find a compatible replacement?
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1answer
62 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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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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0answers
39 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
60 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
151 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 ...
-1
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1answer
200 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 ...