All Questions
Tagged with derailleur mountain-bike
62 questions
0
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56
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SRAM 1:1 shifter + Shimano 11 speed MTB RD
I'm planning my next bike build with an 11-50 cassette but I don't want more than 10 gears for personal preferences. I've seen Chinese-brand drivetrains (LTWOO) that can do this but I want something a ...
- 1,315
0
votes
1
answer
105
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Which rear derailleur can I put instead of Shimano Acera
My rear derailleur on Cube Aim Race 29" has broken on the holder. Except for this (and prior to the holder breakage) the derailleur has completely stopped working for some reason. It twists into ...
1
vote
3
answers
1k
views
1x9 wide range cassette
I am curious to find out if anyone has figured out a viable solution for a 1x9 wide range eg; 11 to 46 or 11 to 50 setup without using a derailleur hanger extension? I have a FS mtb and am not too ...
5
votes
1
answer
192
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Problem with shifting up from small-small
I have a problem when trying to shift from the smallest sprocket on the rear casette to the bigger one when on the small chainring. It tries but it seems there isn't enough tension on the cable. If I &...
- 51
1
vote
2
answers
254
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New(ish) bike chain slack when backpedalling or cruising
I bought a bike from Target a week ago (Yes, I get it, cheap department store bikes are terrible). It's been working okay until I tried using it again today after a 3 day break.
In that time period, ...
- 113
3
votes
2
answers
604
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What kind of Rear derailleur do i have and what RD should I buy as a replacement?
I have an old mountain bike (21 speed) and I'm not sure what kind of rear derailleur i have. So far the performance is still okay but I was planning to replace it with my spare RD (SunRun Index) but ...
- 31
-1
votes
1
answer
75
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Gears slipping when back peddaling
So i was out on my bike racing this weekend and i had a pretty fun time but on one of my practice runs my chain fell off so i quickly got off and put it back on and worked perfectly fine from there. ...
-1
votes
3
answers
255
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GT aggressor 1 frame from 2004/2005 derailleur [closed]
It's a 2004 or 2005 GT aggressor 1. I have looked but can not find the answer.
Which derailleur do I need?
- 1
4
votes
2
answers
3k
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Rear derailleur max capacity exceeded?
My MTB is a Lapierre X-Flow 512 2012. It has a Shimano RD-M980-SGS 10v rear derailleur which has a total capacity of 41t (see official specs). But it comes with a 11-36 cassette and a 24-42 crankset (...
0
votes
2
answers
834
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Shift lever and rear derailleur compatibility
I have got MTB with Shimano RD-M410 Alivio Rear Derailleur 8 speed. It has brake/shift lever for it model ST-EF50-8R. I would like to move to disc brakes and therefore want to change to ST-EF505 ...
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vote
0
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145
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Cassette noise in gears 1,2 and 3 on newer bike
I was out riding when I broke my chain (too high of a gear and too steep of a gradient). Got chain replaced and now my cassette gear 1 (easiest gear) takes more power to pedal than gear 2 and when I ...
3
votes
2
answers
777
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Can someone help me identify this old Shimano derailleur?
I want to poke around online a bit and see if I can find anything out about it. It's a long cage, on an old 18 speed Univega MTB. Thanks.
2
votes
1
answer
2k
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Can I reorient my dérailleur so the top jockey doesn't hit the cassette?
I was running a RD-M7000 dérailleur on my Scott E-Genius 730 and I recently received some good advice here that the Deore RD-M6000 is a drop-in replacement. I have now purchased and fitted that, but ...
- 215
0
votes
2
answers
363
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Why does my Shimano Deore SLX dérailleur not rotate into the expected (vertical) position?
I have a Scott E-Genius 730 Plus mountain bike (around three years old). I had a chain snap recently, so I have replaced the rear 10-speed cassette, and am now trying to route a new chain correctly. I ...
- 215
0
votes
1
answer
458
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Front and rear derailleur compatible?
I'm struggling and need help!
My front derailleur which is 3x9 speed got damaged. Shimano Acera 9-speed, 34.9mm clamp, low-mount, top-swing, dual-pull
but I'm thinking to upgrade it with a Shimano ...
3
votes
4
answers
25k
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11-42t cassette with a 9 speed derailleur, will it work?
I'm trying to figure out if my 9 speed derailleur (Shimano Deore) will work with a 11-42t cassette (note that it is a specific 9 speed cassette).
It is for a MTB 1× setup
I previously had a 3×9 ...
- 31
1
vote
1
answer
251
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When I am pedaling hard my chain jumps but doesn’t go to higher or lower gear
I have this problem with my bike when I put an amount of pressure on my pedals the chain kinda jumps but doesn’t change to a higher or lower gear and it usually happens when I go on 3X7 and 3X6 when I ...
- 39
0
votes
2
answers
2k
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Deore RD M592 with old school shimano trigger shifter
I have an old school Devinci Coyote (2002) whose Alivio rear derailleur is having trouble shifting properly. I was wondering if I could replace it with a new Deore M592 without having to change the ...
2
votes
0
answers
84
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What's the type of polymer material used in friction bushings in Sram rear derailleurs clutches?
The friction bushing of an (older) Sram rear derailleur clutch is shown below. What type of polymer material are these made out of? I'm also interested to know what friction materials are used in the ...
- 151
1
vote
1
answer
12k
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Pros and cons of long and short derailleur cage?
I'm thinking of buying a new derailleur in the future, but I don't know what type of derailleur to buy, there's long and short cage derailleurs but is there any differences?
I'm not sure if this ...
- 1,000
15
votes
4
answers
22k
views
What options do I have if my rear derailleur breaks when I'm out on a trail?
I ran into an unfortunate situation earlier this week. I was out on a mountain bike trail, alone — just me and my hardtail. I'm pedaling, when I suddenly hear a CRUNCH and my bike stops. The hanger ...
- 667
2
votes
2
answers
9k
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Will 2 x 10 speed front derailleur work with 11 speed set up?
Would an existing 2x10 front mech work with a new 11 speed rear set up? Using all Shimano SLX with 11 speed shifter, rear mech and chain. Front chain rings are 2 x SLX 38/28.
- 21
2
votes
1
answer
4k
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Installing modern Deraileurs in an Old type mountain bike Frame
Found my old mountainbike(steelframe) and i saw that its Rear Deraileur was worn out, was wondering would i be able to install a modern deraileur on a bike frame like this? I'd also like to ask if ...
- 21
5
votes
2
answers
862
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Mystery little bolt fell off near rear axle
Hi All! Please help with advice. I was doing some regular brush cleaning on my new Diamond Mission Pro bike that I purchased off the diamondback website (less then month old). A little bolt near rear ...
- 53
2
votes
1
answer
363
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Mating Brifters and MTB drive train and disc brakes - Marriage or Divorce
Looking to buy a Salsa-Cutthroat equipped with SRAM Rival brifters; a 1X drive train (11-42t rear cassette RAM Rival long cage deraileur); SRAM GX 1000 crankset; and SRAM Rival Hydraulic Disc Brakes. ...
- 23
5
votes
12
answers
46k
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Fitting a 9-speed 11-50T cassette on MTB: which derailleur?
I'm trying to understand if its possible to fit a 9-speed 11-50T cassette (found one on Ali) on my MTB. The plan is to go 1×9. The problem is that I can't seem to understand the if a specific ...
- 65
3
votes
1
answer
4k
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Must replacement crankset have the same number of teeth?
I have a Giant Boulder 520 (1996) and I am upgrading it bit by bit.
I bought a new Shimano 7 speed cassette 11-28T. Now, I want to replace my crank set, however I do not know which size to buy.
Does ...
0
votes
1
answer
269
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Swapping out my front and rear derailleurs
I have been having trouble adjusting my gears correctly, so that they stop making noise and grinding in one spot or another.
Every time I set the high, the low goes and then fiddling with the cable ...
1
vote
1
answer
1k
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Will mountain bike front derailleur work with Shimano Tourney index shifter?
I am having trouble getting my Shimano Deore DX front derailleur to work with a Shimano Tourney index shifter. I would like to know if anyone else has made this setup work and am interested if anyone ...
- 31
0
votes
4
answers
3k
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Replacing rear derailleur on Murray 15 speed - Looking for parts
I have an old Murray Ultra Terrain mountain bike; it's 15 speed and I had trouble re-mounting the rear derailleur to the frame. It's broken now so I'm looking for a replacement but I'm unsure of what ...
- 41
1
vote
1
answer
718
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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? ...
- 8,596
0
votes
1
answer
539
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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 ...
0
votes
1
answer
2k
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 ...
- 103
-1
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1
answer
845
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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 ...
1
vote
1
answer
1k
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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 ...
- 2,361
1
vote
1
answer
3k
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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.
...
- 11
3
votes
1
answer
751
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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 ...
- 31
2
votes
2
answers
1k
views
Chain line adjustment when replacing triple crankset with single
I have an old Univega MTB with a triple 28-38-48 crankset and 6-speed freewheel. The bottom bracket is square taper with cup and bearings. I want to remove the front derailleur and convert to 48T ...
- 119
2
votes
1
answer
298
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Probably Screwed up my Derailleur shifting from 1-6 without pedaling
So I've had this problem for a couple months now, what happened was I was being stupid and seeing what would happen if I shifted 1-6 without pedaling... As a result, the shifting now is screwed... The ...
- 21
2
votes
1
answer
6k
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Which rear mech to replace sram X-9 10 speed 2x10
I have a Whyte 905 2011 with a 12-36 Sram cassette and an X-9 medium cage rear derailleur. It's not been attenuating well for some time despite efforts to adjust. The bike shop couldn't fix it. So i'm ...
- 21
0
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4
answers
7k
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Derailleur/Gears Locks Up/ Freezes Up/Stalls
Hey guys I have a specialized mtb with the old oval chainrings and lately it's been locking up. When I start pedalling "hard" or faster the crank stops turning and then jumps forward a bit and ...
- 593
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2
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2k
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How to change 2x11 to 3x11 on mtb
Hey I was wondering how you would change a chainset from 2x11 to 3x11 on a Carrera Fury (SRAM components) Thanks
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4
votes
1
answer
344
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Using 9 speed Deore front shifter with 10 speed Ultegra front Deraileur
I am trying to build a bike out of all the spare parts I have in my garage. I found a 3x9 Deore front shifter, 3x10 Ultegra front d and crankset. Would they work together?
By the way, I am building a ...
- 41
4
votes
3
answers
4k
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Why is my bike slipping gears?
I have a 1997 Gary Fisher Tassajara that got a complete overhaul and tune-up at a bike shop a year ago. (to the tune of $180, but some of that was new tires- I'm the original owner) I ride between 4 ...
- 41
1
vote
2
answers
169
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Trying to find Derailleur hanger for Triace A310
As you can figure out from a quick google search, this bike almost does not exist. Finding info for this bike has been near impossible. If you can direct me to any info about which hanger I need to ...
5
votes
3
answers
7k
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How do I tune up the shifters/derailleurs on my mountain bike?
I have a Diamondback mountain bike with Shimano shifters that I bought used last summer, and over time the shifting has gone out of whack. For example, on the front wheel I can't shift into the ...
- 151
2
votes
1
answer
2k
views
9sp/10sp compatibility in Shimano SLX drivetrains
This is related to my previous question about SLX chainrings.
I'm half way through upgrading my drivetrain from 2x9 to 2x10. I currently have:
Shifters: SL-M670-I (10sp),
Chainset: FC-M665 (9sp ...
- 4,043
15
votes
3
answers
72k
views
How can you identify if a Shimano rear derailleur is medium or long cage?
I have a 2013 Shimano XT rear derailleur. It is part of a 2x10 drivetrain. How can I find out if it is a medium or a long cage one? The picture below shows the derailleur.
- 4,414
1
vote
2
answers
328
views
Adjusting disk brake positions
I recently got a new bike (below). It's rather latest technology for me. I got it assembled from a supermarket, but had to do almost all the adjustments myself.
I don't know what I did wrong with ...
- 11
3
votes
1
answer
683
views
Stuck front derailleur
On a ride recently my front derailleur seems to have gotten jammed. The levers wouldn't index and the derailleur itself wouldn't budge. After continuing the ride for a bit, the problem went away on ...
- 133