All Questions
Tagged with derailleur shifting
57
questions
2
votes
3
answers
94
views
Rear derailleur won't shift up from smallest cog to next smallest cog but then shifts ok
I have a 1x10 Deore setup and recently I have been having shifting problems when I am moving up from the smallest cog to the next cog. It won't shift to the 2nd cog but if I shift twice up to the 3rd ...
4
votes
0
answers
282
views
Sram AXS derailleur does not shift
Have you encountered a problem where a rear AXS derailleur stops shifting? Any suggestions?
I bought a mint 2023 GX AXS derailleur on Marketplace, it worked for the first short test ride on a road but ...
- 141
0
votes
1
answer
153
views
Chain repeatedly slips on rear cogs to next higher gear...and sometimes back and forth. What to adjust?
EDIT: Just to be clear, everything has worked fine with the bike and the Kickr up until a few weeks ago (that is, for about six months the combo has worked fine). So something's gone a bit out of ...
- 1,061
1
vote
2
answers
121
views
Shifting back slightly after shifting to high gear to reduce grinding noise
I tested a Cannondale Optimo 4 (entry level road bike with Claris) and I liked the bike but had 1 issue. When I shift to biggest wheel in front and small wheel in back there is a grinding/rubbing ...
- 1,757
6
votes
1
answer
931
views
Shifter cable broke in the shifter and now the end is stuck in the shifter
So The end of my rear derailleur shifter cable is stuck in the shifter. Is it even possible to get out? See the picture below. Shifting up and down doesn't really do anything to its position.
Edit: I ...
- 63
1
vote
1
answer
113
views
Why has my derailleur reposition itself so that its out of place?
I have a 2004 Trek Navigator I'm trying to fix up. Everything seemed fine until I switched gears and heard loud odd noise plus my pedaling got alot harder. Upon inspection I found my rear derailleur ...
- 1,277
3
votes
2
answers
174
views
Front derailleur struggles to shift to smallest chainring, when it eventually shifts, the chain goes too far and falls out
So i am trying to adjust the front derailleur limit screws and cable tension, but i can't get it to shift smoothly. It is struggling to shift the chain to the smallest ring, especially under torque, ...
0
votes
1
answer
447
views
SRAM Rival eTap Rear Derailleur Cannot Shift All The Way Inboard
I have set up a number of eTAP SRAM rear Derailleurs and never had an issue. I set up a 44 tooth XPLR cassette with the XPLR Rival eTAP rear Derailleur. I got the chain sized, on the pulleys and ...
- 31
5
votes
1
answer
186
views
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
2
votes
1
answer
97
views
Gears not shifting properly
I've got an issue that I've been trying to fix for more than a week. I broke my derailleur+hanger because I changed my cassette from a 11-28 to a 11-32 with a short cage Dura Ace 10s 7900. I replaced ...
- 21
5
votes
1
answer
9k
views
My bike's gears won't shift properly or at all
Firstly, sorry if this has been asked before but I don't know much about bikes. I bought my bike from big w (fairly cheap beginners bike, but I am happy with it). It has two shifters, one on the left (...
- 51
1
vote
2
answers
193
views
Rear derailleur shifting backlash
I have a problem with my rear derailleur, which I cannot find a solution to.
The shifter has some kind of backlash, when I shift up it all goes perfect, same as if I go down. But when I try to turn ...
- 11
0
votes
2
answers
671
views
Shifting derailleur without pedaling?
I know shifting gears without pedaling would potentially damage your bike, but would shifting front derailleur while stationary damage anything?
- 141
-3
votes
1
answer
254
views
How to adjust rear derailleur indexing in a mix-and-match drivetrain in the easiest manner?
I have a touring bike where the drivetrain has been built not according to Shimano's instructions. For example, the shift lever is SL-BS64-8 Ultegra 8-speed bar end shifter that according to Shimano's ...
- 20.1k
1
vote
2
answers
140
views
Can no longer shift to lowest gear
I recently worked on my derailleur a bit to fix some issues in high gears, however, now I can no longer shift down to my lowest in the cassette when in either crankset.
I have tried the L screw at ...
6
votes
3
answers
1k
views
Shifting direction is different for front and rear shifters
I have been riding singlespeed and 1x setups for decades. The last time I had a front derailleur was over 30 years ago, and the shifter was on the downtube then, and I don’t have any memory of how it ...
- 3,456
0
votes
2
answers
331
views
How to increase the durability of gear-shifters
I am not a professional cyclist and may not even be a good rider but it seems like I tend to break my shifters way too often.
I initially had a SRAM-X4 8x3 Shifters which ripped apart in an accident. ...
- 393
3
votes
2
answers
1k
views
Imprecise shifting on a Shimano 9 speed set
Edit: Jeff’s answer - replace the cable housing - fixed the problem. I made sure the highest and lowest alignments were correct, that the cogs lined up with the gears, and then replaced all cable ...
- 31
4
votes
3
answers
202
views
How to check and ensure parallelism of front derailer and chainrings?
Various instructions of front derailers with clamp want me to ensure that the derailer cage is parallel to the chainrings.
What is the preferred way to do this?
Since the derailer cage has quite a ...
- 733
3
votes
3
answers
1k
views
Shift lever tight when cable clamped in derailleur, adjustments seem futile
I have a 2020 Giant Trance 2 I purchased new at the beginning of June 2020. Recently I had to replace my shifter cable (I broke a ferrule and the cable was fraying and very short, so I figured the ...
- 133
3
votes
2
answers
678
views
No movement between two lowest shifter settings
I bought a new derailleur, cassette, and hanger after a decent wreck. Shimano 105 set, 11 speed, 11-34 cassette. I've tried adjusting the shift cable barrel, H/L limit screws, and the screw that sets ...
- 39
1
vote
0
answers
140
views
Front dérailleur does not shift into largest chainring
I have a Shimano ST-EF60-8R shifter with a Shimano FD3303 front derailleur - it does not go into 3rd gear which is the largest; it feels like the wire is going to pop. I just bought the bike, a Trek ...
- 11
1
vote
3
answers
140
views
My bike shifting won’t surpass 6
I own a Scott Aspect 740. On the shifter it says it is on gear 7, 8 or 9 however in reality on the rear derailleur the chain is only on 6 and won’t go past this.
I’m looking for a fix as it is very ...
- 11
2
votes
1
answer
100
views
Do simpler casettes have less issues with missing shifts?
On my new Trek Marlin with a 8 gear cassette, sometimes I try to downshift into the middle of the range of gears and it doesn't take (upshifting works fine). I can hear the gear clicking for a few ...
- 598
0
votes
2
answers
3k
views
Tiagra 4503 front derailleur replacement
I have a bike with a 4503 Shimano setup (Tiagra triple, 9 speed). The front derailleur is broken.
I can quickly get a 105 derailleur (5703) at the local bike shop. I just want to be sure that it is ...
- 131
1
vote
2
answers
1k
views
Can't shift to highest front gear
I've been trying to propely adjust front gears in my bike, but failed to do so. I can't make the front gear to shift to highest gear. I can make it work when testing the bike while it's lifted, but ...
- 119
1
vote
2
answers
2k
views
Compatibility between Shimano 105 crankset and Shimano Deore derailleur
I have a wild idea to replace a crankset on my Merida Crossway 500 (2014) (which is now SR Suntour NCX-FX-10s 48A-36-26 CG) with Shimano 105 5750 cCompact 10sp (switch from 3-speed to 2-speed).
The ...
- 13
2
votes
1
answer
3k
views
Front Derailleur Chainring Size Tolerance
I'm rebuilding an old bike and have an existing crankset with 52-42-30 chainrings. I'm looking for a front derailleur. Most of the triple front derailleurs I've come across say they don't support a 50 ...
- 21.9k
6
votes
3
answers
11k
views
Cannot shift to lowest gear - chain too short?
I’m in the process of switching from an 11-25 to 11-32 rear cassette. The upgrade has involved replacing the cassette, rear derailleur (short to medium cage) and fitting a new chain.
I can cleanly ...
- 61
1
vote
2
answers
12k
views
Front derailleur cable suddenly very slack (no shifting), not sure what's caused it
I last rode the bike on Sunday. Throughout the ride I noticed the front shifter (grip friction shift, Shimano) was feeling "looser" than normal (hard to describe, it didn't feel "right" and seemed to ...
user38333
1
vote
1
answer
883
views
One extra position on front derailleur besides trim
After I changed shift cables, I have 4 positions on my front derailleur. WTF?
I have a double chainring. I have a trim position as well, but after shifting to the big chainring, I can still move the ...
- 111
1
vote
3
answers
1k
views
Rear derailleur moves to much for each click - tried everything
Two years ago I build a bike (flat bar) with SRAM 1x11. Around a month ago the rear-derailleur broke (guide pulley broke).
I bought a new rear derailleur: Shimano 105 RD-5800-GS.
After installation ...
- 13
5
votes
5
answers
4k
views
Gears shift perfectly when suspended on rack, but not on the ground?
So I had recently solved some issues I was having thanks to the community. I re-tuned my bike on a suspended mount and everytning looks great. On the ground, all of the gears work smoothly except for ...
- 81
3
votes
3
answers
56k
views
All gears shift smoothly, but won’t shift into 1st gear/large cog. Help?
So I was tuning my newly acquired bike today and working with all 8 gears on the rear derailleur. I managed to properly set the high limit screw as well as cable tension so all gears shift smoothly ...
- 81
2
votes
3
answers
4k
views
Rear derailer/chain skipping/shifting issues
I have a Shimano Tiagra derailer on my 9 spd cassette and it's been behaving really strangely.
On the road, when I attempt to shift to bigger cogs, the chain will struggle to move up, sits on the ...
1
vote
2
answers
363
views
Shifting down problem with roadlink
I have a caadx and recently changed my cassette from 12-28 to 11-36 using a RoadLink setup. I'm using an Ultegra 6600 for my rear derailleur, 11-36 deore cogs and deore 10-speed chain. The cogs,chain ...
1
vote
2
answers
5k
views
Mix Shimano Deore derailleurs with Microshift shifter for Shimano
I have Shimano Deore derailleurs 3x8 and I am thinking about upgrading my system with a combined shifter/brake system, such as Microshift's SB-R483. Microshift themeselves states that this system is ...
3
votes
1
answer
2k
views
Barrel adjuster for sram gx rear derailleur?
I'm doing a bit of an unorthodox build right now. It's a specialized awol using a sram gx 1x11 drivetrain, but, because I'm running trp hylex discs, I've opted to use a sram s500 bar end shifter. An ...
- 151
-1
votes
1
answer
557
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 ...
- 129
5
votes
3
answers
6k
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 ...
- 509
3
votes
1
answer
200
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 ...
- 5,735
1
vote
1
answer
1k
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 ...
- 2,361
2
votes
1
answer
9k
views
Front derailleur has too much resistance
I got a mountain bike on the cheap because of this repair. I'm not experienced with bike repair but hoped I could figure it out.
The front derailleur, a Shimano STX, isn't shifting and it appears to ...
- 21
0
votes
3
answers
2k
views
gears overshifting issue
As I have explained in my previous post here I have changed my rear shifter cable and housing. But I'm still having issues with shifting gears smoothly.
It overshifts at particular gear combinations ...
- 247
5
votes
2
answers
419
views
3 Speed Front Derailleur can't reach small gear
I bought a new frame and put my old Campagnolo Racing T components on it.
The seat tube has a diameter of 35mm and I use the Campagnolo 35mm clamp for the Racing T derailleur.
The problem is the ...
- 707
1
vote
3
answers
312
views
Shifting 1>2 does nothing, shifting 2>3 puts me into 2nd. What's wrong?
I'll be in first gear on my front derailleur, and shift up to 2nd. Nothing will happen at all. Then I'll shift up to 3rd, and I'll finally switch into second. 3rd gear is inaccessible.
What could be ...
- 141
6
votes
1
answer
7k
views
How to prevent shifting issues due to derailleur or cables freezing in cold weather
It's been fluctating in temperature between 0F and 20F in my area. I've been riding my 1x9 geared mountain bike to and from work. However, due to the cold weather, I'm having issues shifting.
It ...
- 18.3k
4
votes
5
answers
28k
views
Shimano 105 rear shifting issues
I'm disappointed with my new Cannondale and it's 105 group, I expected this to be a major upgrade from my previous trouble free bike with the bottom end group set. It's done about 500 miles, had new ...
- 41
2
votes
3
answers
4k
views
Rear shifting - Unable to shift to toughest gear
I was adjusting my rear shifting following the advice in this video:
It was when I took off the wire tension and screwed the high limit all the way out that the chain ...
- 123
14
votes
6
answers
6k
views
Mechanic says not to use top three/bottom two gears or the chain will throw
I just bought a BTwin Fit 5, all stock, fresh from the distributor, Decathlon. Took it for light pacing at the store and things seemed OK. About 100 metres out the door, I shift up to the top end of ...
