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Questions tagged [derailleur]

Mechanism to move the chain from one sprocket to another.

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85 views

shimano derailleur problem?

Grandson (11yr old)took his rear wheel off to clean & couldn't get chain tension. After looking @it myself the chain had completely detached itself from the lower idler sprocket on the rear ...
3
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1answer
971 views

Feasibility of coupling internal hub gear and derailleur

Price considerations apart, would it make sense to install together an internal hub gear and a derailleur? I was thinking of it as a viable way to avoid having the front gears.
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1answer
126 views

SRAM GX1 comparability with double crankset

I am considering purchasing a bike with SRAM's GX1 11x1 gearing but I would like to switch it to use a double crankset. Is the SRAM GX1 rear derailleur and cassette compatible with a dual crankset? ...
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1answer
104 views

It takes several clicks of the shifter to go from smallest cog to next biggest cog, and I get hit the four biggest cogs

When I try to shift from the smallest cog to the next biggest one, I have to shift three times before it moves. Click one and I see the cable tightening. Click two and nothing, and click three and ...
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1answer
361 views

Will the Shimano HG41 match nicely with a Shimano Claris derailleur?

I am almost buying a bike equipped with a Shimano Claris group, and I am particularly fond of big hills. So I found lying around my place a new cassette HG41, 11-34 teeth, which is allegedly for MTB. ...
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3answers
777 views

How to make a derailleur work in opposite directions?

I am making a bike for a school project that can switch between upright and pseudo-prone position. It has two sets of crank assembly; one on one side of the rear gear set and one on the other; the ...
1
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1answer
385 views

Rear Derailleur Cage Plate Catching Chain at Lower Pulley

Just got a new Felt (Z85, 2015). Was adding oil and cycling through the gears of the rear derailleur when the chain got caught on the lowest gear. It appears that the cage plate is catching at the ...
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1answer
43 views

Derailleur installation adjustment method

I recently installed a SRAM XX1 crankset on a mountian bike (first build) in the instructions they want you to: 1. Adjust for the high 2. Adjust for the low 3. Install the shifter cable 4. Adjust the ...
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1answer
111 views

Shimano Deore FD-M590 replacement

I need a new front derailleur. I have a Shimano Deore FD-M590, but am rather disappointed in it. It's only three years old and won't advance the chain to the biggest ring. Bike shop guy said I need ...
5
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3answers
4k views

Shimano Ultegra 6800 front derailleur tension problem

I'm building up a 2015 Salsa Colossal Ti with a full Ultegra 6800 groupset (though with the RS685 hydraulic shifters). I'm having an issue setting up the front derailleur. I've followed all the ...
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3answers
1k views

Will my rear derailleur handle a 11-30

I am riding a 11-25 9 speed and want to swap to 11-30. I have a 105 derailleur and a triple front crank. Will the rear 105 take the 30t? From what I have read, I think that since I have a tripe up ...
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2answers
1k views

Bike difficult to pedal [closed]

I added a new rear wheel to my bike, and set the chain and spun it by hand so it spins properly. However it is very very difficult to pedal, requiring a lot of force. Also when I pedal, I hear a light ...
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1answer
106 views

Mismatched front and rear derailleurs ok for 3x7 setup?

I'm thinking of fitting a Shimano Alivio rear derailleur and Shimano Tourney front derailleur to my 3*7 speed. Are they compatible with each other? Will I have to put same levels of derailleurs?
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2answers
832 views

Friction-shift (rear) always changing up the gears

I have an old french touring bike (from the 70s or 80s) with downtube friction shifters. I recently had it serviced, and ever since there's been a constant pressure on the rear gears which means they ...
1
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1answer
303 views

Upgrading From Ultegra 6600 to 6800 Help

My Ultegra 6600 shifters need replacing. My thought was to replace it with a new 5-piece 6800 set including shifters, front derailleur, rear derailleur SS, an 11-28T cassette and obviously a new chain....
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2answers
282 views

Derailleur Configuration - Anyone ever seen something like this?

Can't find anything on Google because I guess I don't know what search terms to use. I am wondering if anyone has ever seen a derailleur setup like I have drawn in the picture. It is NOT for ...
3
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3answers
257 views

Front derailleur feels “disconnected” in cold

I've got a Shimano Deore 3x front derailleur and it works perfectly fine while warm. But after a ride in cold (about -10..-15 C) there is a problem in shifting up: first time I pull the lever it goes ...
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2answers
5k views

SRAM X01 Eagle (12speed) in 11speed transmission: it work?

Well, I intend to use an SRAM X01 Eagle (12speed) rear derailleur in a 1x11 transmission (with a SRAM X01 "non-Eagle" 11speed trigger, cassette SunRace 11s 11-46, SRAM PC XX1 chain). Will it work ...
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0answers
66 views

Bike gears won't switch to 7 or 1 and bike leans to side

I have a specialized Crmo mountain bike that I bought off someone after my previous one was stolen. I didn't really get to look at the bike very well because it was dark. When I got it home I ...
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1answer
586 views

Compatible front mech replacement for Shimano STX RC FD-MC36

I have an old 2000 Marin Riftzone, indexed gears, 3 rings at the front. The front mech (shimano stx rc) is seized and I want to get the cheapest solution to make it functional again. It doesn't do any ...
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2answers
144 views

Gear slipping in gear 24

I use my bike everyday to commute and recently I've noticed that when in gear 24 my bike seems to slip from time to time as though the chain has "lost the gear" and then finds it again. I haven't ...
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1answer
377 views

Chain falls off upper pulley when backpedalling

I just found out that indexed shifters required mated cassettes, and I am using the rear wheel and cassette from an indexed setup with a non-indexed rear derailleur. I noticed backpedalling sometimes ...
3
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1answer
2k views

Front Deraillleur Barrel Adjustment

I'm working on adjusting my front derailleur; Shimano 105 group set 5700 series. On reading on the net and also watching a couple of online youtube videos there is comments about the barrel ...
4
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1answer
111 views

Very sloppy shifting on smaller cogs (BSO)

I have very few complaints with my BSO, but this is one of them. My rear derailleur seems to hold the same 'up and down' tension across all the cogs. So when I'm on the first couple of cogs (32 and ...
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1answer
1k views

Can I use Shimano STI brifter with 11 speed mountain derailleur?

I'm considering a 1x drivetrain for a gravel bike. Shimano hasn't yet released a road/gravel solution to the market that incorporates a rear derailleur with a "clutch" (that keeps the chain from ...
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1answer
64 views

SOMEONE HELP PLEASE:( [closed]

I'm getting a new bike and i'm wondering if a Shimano TX50 front derailleur is good enough and will do the job or should I get another bike which has an acera, FD-M390 front derailleur. Thanks in ...
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1answer
294 views

ACERA VS STX RC

Hi everyone i have two rear derailleur barely used one Shimano Acera and one Shimano STX who has the best performace ? The main terrain for my bicycle will be off road downhill . I also have the front ...
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1answer
172 views

Incrediably stiff rear downshifts

I have a '13 Trek MT-60 for my son that uses a Shimano Tourney derauilleur with a 6 speed revo shifter. The problem he had was that the shifting with it was incrediably stiff, even for an adult. I ...
6
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1answer
4k views

Effects of jockey wheel sizes & types

I'm wondering about the variations in jockey wheels / derailleur pulleys and what differences they make; There's a lot of conflicting and confusing information out there, so I'm after some general ...
3
votes
1answer
1k views

9 speed derailleur on 7 speed cassette?

I currently have a 7 speed cassette, 7 speed derailleur and 7 speed shifter from Shimano. Unfortunately, my rear derailleur (Shimano Tourney) broke, so I want to replace it with something better. The ...
3
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1answer
486 views

Replace mystery front derailleur

Long story why but I need to replace a front derailleur on my MTB. Problem I have is I got the bike with the front derailleur missing so I am not sure what I need to replace exactly. The path of the ...
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1answer
243 views

Rear derailleur adjustment needed? Should the rear derailleur pulleys hang perfectly straight down below cassette rings?

Should the rear derailleur pulleys hang perfectly straight down below each cassette ring? I think that is probably impossible unless you are in the middle ring on front and back (see below), otherwise ...
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3answers
648 views

Strange long squeal sound when I pedal hard - how to track this down?

It's kinda hard to describe but there's a sound coming from somewhere on the bike when I pedal hard - I can't figure out where it's coming from. It's sort of like a high pitched pig squeal. It started ...
3
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3answers
316 views

Replacement for Suntour Superbe Tech Rear Derailleur

I recently picked up an 85 Cannondale ST500 with a Suntour Superbe Tech rear derailleur. The cage is bent and the bearings in the guides don't feel too fresh. I'm just starting to get into bike ...
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2answers
703 views

Chain not running straight at the front

I have a touring bike which works fine. But when I shift to either of the two larger cogs on the front the chain hits the derailleur on both sides. Obviously it's because the cogs don't run straight ...
3
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1answer
679 views

What is the optimum location / offset of a derailleur hanger vs axle?

In my particular case, I would quite likely be using something like a GoatLink so I can use an 11-40t or 11-42t cassette on a home-built recumbent tadpole trike (so, single rear wheel). I'd like to ...
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2answers
65 views

mtb deraileur for 1998 s-works (8 speed)

I recently installed a Sunrace R90. The chain jumps in the middle gears. This may hurt my sprockets. I wonder if it is the shifter being worn that causes the jumping back and forth, for example from ...
1
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3answers
280 views

Front derailleur cable tension too high with Acera shifter and Ultegra derailleur

I'm trying to install some Acera trigger shifters to use with my Ultegra derailleurs. The rear derailluer/shifter combo (8 speed) is working great. The front however (3 chain rings) seems to have a ...
3
votes
3answers
517 views

Can I put a lower geared cassette on my bike?

I bought a bike recently that has a 34 front 28 rear gear ratio. It is an Elfama E2500, which is a Korean brand I believe. It has a Shimano Claris (which is rated for up to 32 teeth) rear derailleur ...
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1answer
1k views

Shimano Sis Bar-end Shifters on a Shimano Deore xt derailleur

Rebuilding an original fisher MTB, with drop bars and bar end shifters. I was wondering if I am going to run into any compatibility problems if I run this with a Shimano Deore Xt derailleur system. ...
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4answers
2k views

Normal for derailleur to make noises?

I have a giant anyroad 1 2015. It has this as components Crankset Shimano Tiagra, 34/50 Cassette Shimano Tiagra 11x34, 10-speed That is 7 cogs in the cassette, and 2 cogs on the crankset. Is ...
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0answers
59 views

Gear change sticking only on specific changes - cable issue? [duplicate]

I'm riding a hybrid with 48/36/26 chain ring and 9 speed 11-32 cassette. When I change up OR down at a specific point the shift is slow and doesn't always engage. On the 48 this is between the 21 ...
3
votes
3answers
638 views

Rear derailleur noise in big/big combination

Every Google search I've done over the past weeks has landed me on this great forum, so thought I would register. Basically my son gave me his 1996 Scott Apache adventure mountain bike in a box and I'...
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2answers
304 views

Rebuild Gary Fisher Mullet rear derailleur

I have a Gary Fisher Mullet from sometime between 2006 - 2008. I don't know anything about bike except the fact that I got one Hehe. My rear derailleur is in pretty bad shape. Well, I don't know for ...
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0answers
471 views

mixed MTB/road bike for touring: uncleanliness of a Frankenstein setup

It appears that there are similar threads, so I'll reformulate it with more specific questions and taking the cue from comments. I am assembling my brand-new touring bike on a LHT frame, and I'd ...
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2answers
1k views

Clutch rear derailleur vs chain tensioner / guide

I've got a 1x10 set up. Sometimes I have a problem with the chain falling off at the front. I've been reading that a clutch mech will help to prevent this. My mech is Deore long cage without clutch. ...
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0answers
103 views

The correct pulley/cog for a shimano tourney tx35 rear derailleur?

One of the cogs broke on my Schwinn Ranger and was wondering how the sizes ratios work on derailleurs? What would be the correct cog size to get for shimano tourney tx35 Rear Derailleur? Thank you
1
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1answer
892 views

Best rear derailleur for a Schwinn ranger?

A few days ago the cog on my Schwinn Ranger rear bike derailleur broke in half after changing gears. I examined the cog and it was made of flimsy plastic. Was wondering if I could put a new/different ...
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2answers
276 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 ...
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2answers
700 views

Chain slip causes bent derailleur [closed]

The chain of my bicycle slipped of the top sprocket and cause the derailluer case and hanger to bend. Anyone experienced this? Edit - More Info: I crashed a couple days ago before the derailleur got ...