Questions tagged [shifting]
Questions relating to the act or mechanisms involved with moving the chain from one gear to another.
276
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Why does my shifter say the wrong gear?
I had a slow puncture in my rear tyre. I fixed it by flipping the bike upside down, removing the rear wheel, patching the inner tube and replacing the wheel. However, I seem to have caused a strange ...
- 193
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0
answers
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Rear derailleur won't shift into easiest gears
I recently bought a used bike with a SRAM Force 1x drivetrain. The bike came with a medium-cage Force 11 speed rear derailleur and a fairly small cassette (SRAM PG-1130, 11-36t). I wanted easier gears ...
- 1
3
votes
1
answer
64
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What would cause poor rear shifting?
Ever since my rear cable snapped this past January (and I replaced the cable), shifting has been less than ideal. The new cable helped, but it is still nothing like new. I typically replace the ...
- 629
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votes
2
answers
128
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Is it ever possible to solder at an interior point in a stainless steel shift cable?
Attempting to solder a stainless steel shift cable at an interior point, with the objective of subsequently cutting it cleanly is, as I've now found out, "non-trivial".
(One thread from the ...
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4
votes
2
answers
412
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Optimizing rear derailleur cage length
So I'm doing the last bits of research which parts I'm getting for my next build (for bikepacking).
With a 30/46t or 30/44t crankset and 9sp 11-42 cassette in theory I'd need a rear derailleur with a ...
- 45
10
votes
7
answers
3k
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Is there any reason why a hydraulic system would not be suitable for shifting? (Was: Have any been developed?)
Bowden brake cables are being gradually replaced with hydraulic brakes on enthusiast bicycles, yet Bowden shift cables are being replaced with electronic systems.
(1) Has anyone developed hydraulic ...
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1
vote
1
answer
88
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Where should I install shift cable rubber shields?
I installed the two parts
shift outer cap with long tongue, and
rubber shield
as shown below, but I'm not absolutely sure this is right.
If I put the rubber shield (the one on the right in the ...
- 9,900
0
votes
1
answer
63
views
How can I increase the friction between the ferrules and the inline barrel adjuster?
The ferrule caps the cable housing before insertion into the inline barrel adjuster.
The inline barrel adjuster arrives already with a hint of light grease on its threads. For good measure, I add yet ...
- 9,900
5
votes
2
answers
485
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Can you shed some light on this dust-shielding ferrule?
I understand that the two parts at the top of the image are an improved ferrule. They rest against the lowermost cable rest — the one nearest to the rear derailleur.
Can you shed some light on these ...
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2
votes
3
answers
114
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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 ...
1
vote
1
answer
52
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Chain rubs front derailleur cage even after adjusting
I have a generic hybrid bike with a 3x9 Shimano group set. The rear shifts fine but the front has major shifting issues. After adjusting the height, rotational alignment and L-limit screw I still have ...
- 4,362
7
votes
1
answer
263
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Repairing broken Shimano Nexus 8 hub
I have a Cube Travel Pro, which comes with a belt drive and a Shimano Nexus 8 hub, model SG-C6001-8D. The bicycle is a bit over a year old and used for city commuting in all kinds of weather. Has ...
- 193
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0
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18
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Shimano Ultegra 9500 set rear mech skips 8th gear
I'm riding a stock Schwinn fastback road bike from around 2004 that came with a Shimano Ultegra 9500 set, with 2x9 speeds. I have never messed with the derailleurs as they've always worked fine. The ...
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3
votes
3
answers
878
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My gears won't change up into 2nd
I am not a new rider, but I haven't ridden in a while. I got a new bike today
In the front gears, I have so much trouble in switching from 1 - 2 and 2 - 3. The problem is that the shifter changes its ...
- 39
0
votes
1
answer
95
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Help! The two-speed gears on my Brompton don't shift anymore
On my 6-speed Brompton the two-speed gears suddenly stopped working. I still can operate the shifter (and the cable still seems to be under the expected tension), but the two-gear “derailleur” (chain ...
- 433
9
votes
2
answers
212
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Are high / low limit screws necessary with shimano di2 rear derailleurs?
On mechanical RDs, limit screws that are too loose will allow it to travel into the spokes or the chain stay on excess cable pull. However with electronic RDs, its state is known at all times. ...
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3
votes
1
answer
211
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What's wrong with my campy derailleur?
I'm trying to tune my campy chroma 10 speed but it wont shift to either the 2 highest gears or 2 lowest gears. Could it be that the drivetrain is bent? Is this due to a bad hanger?
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0
answers
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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
1
vote
1
answer
67
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Another question regarding the specific size of stepped ferrules
I have a frame with in total 5 brazed-on cable stop with 5 mm inner diameter, on at the chain stay and 4 at the bottom bracket, and I'm using 4.5 mm outer diameter shifing cable housing. The standard ...
4
votes
3
answers
1k
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Campagnolo Chorus 10-speed shifters - bad shifter feel
I run an early-2000s Campagnolo Chorus 10-speed groupset on one of my bikes. Shifting is generally OK and the rear mech works fine on the stand, but out on the road it is often hard to get good shifts ...
- 4,556
4
votes
1
answer
185
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Shifting skipping gears: Is the rear derailleur the problem?
I have an 8 speed where I couldn't index the shifting properly without it skipping a gear. 8 - 7 - 6 then it skips to 4. (There's also another skip in gear 2-3). If you adjust it to shift to gear 5, ...
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1
vote
0
answers
72
views
Not able to shift from a specific gear
I have a 9-speed rear derailleur and shifting from 1 to 9 isn’t a problem except when it is from 6 to 7, while downshifting has a bit of lag, upshifting takes forever and sometimes it doesn’t even ...
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5
votes
1
answer
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Question About Shifter Functionality?
I’m a new bike rider and I’m trying to get a lot more into biking and understanding bikes and what not.
However, I recently bought a Cannondale Quick CX 4 (about a month ago) and I’m having issues ...
5
votes
4
answers
1k
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Chain drops when shifting up a gear at the front?
I've just gotten a new bike and run into a problem. When shifting from a smaller cog to a bigger one in the front gears, the chain consistently drops.
The problem happens regardless of whether I'm on ...
- 51
1
vote
3
answers
342
views
Shifter not working in cold weather
My commuter bike has a 7-speed Tourney groupset with thumb shifters. When commuting today, I arrived at the office and shifted down a few gears before parking the bike as usual. I noticed that the ...
- 4,556
1
vote
2
answers
557
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Blindfolded, can you tell an Ultegra from a 105?
Suppose it were possible to ride your road bike blindfolded. You're experienced riding both Ultegra 8000 (2017) and 105 R7000 (2018) groupsets, and so you ride two bikes that are identical, other than ...
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4
votes
2
answers
120
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Bike chain jumping at lowest and highest gear, fine in the middle
I changed out the shifter housing/cable because I felt some friction, and ever since it seems like I can't get the indexing right. If I set it to work well in the high gears, it doesn't work properly ...
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5
votes
4
answers
949
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GRX 2x11 - what causes the chain to bounce significantly when shifting the cassette into a higher gear (smaller sprocket)?
I recently set up a new gravel bike with all new components, including a 2x11 GRX DI2 drivetrain. 31/48 and 11-36t. It has ridden under 600 miles and only seen rain once. It is accident free and has ...
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0
votes
1
answer
165
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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 ...
- 1,081
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vote
1
answer
1k
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Shimano Nexus 7 shifting issue
I have an older Batavus bike, with a Shimano Nexus 7 speed, which won't shift into the lower gears.
What I mean by that is; the dial will display the gears 1 - 3 but they all feel the same when ...
- 11
0
votes
2
answers
211
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My bike gears are not shifting and I want to manually get it to stay in 1st gear
My bike doesn't allow me to adjust my gears as it was too stiff. I loosened everything up with WD40 however it still didn't help and now I can't tense up my cable. Please can someone tell me how I ...
2
votes
2
answers
133
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Rear derailleur can't reach the smallest gear (Shimano 10 Speed Road)
I recently assembled the following combination of parts:
Shimano 10-speed STIs (non-series, between 105 and Ultegra, ca. 2003)
MicroShift 10-speed cassette (11-28)
Tiagra 10-speed rear derailleur (...
4
votes
2
answers
212
views
rear derailleur stuck on first gear after changing rear tire
I am a cycling newbie. My bike has 18 speeds with two chainrings in front and nine in back. I just did my first rear tire replacement. Most of that went well, however when I took it out for a short ...
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6
votes
1
answer
495
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Can't switch to biggest sprocket after the upgrade
I have upgraded some components of my old MTB's drivetrain as it had a Deore crankset and Alivio rear derailleur but 7 speed cassette, shifters and chain for a long long time. Now they are all 9 speed ...
- 2,130
24
votes
8
answers
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Why is there nearly no 1x road bikes?
During last ~10 years, nearly all high-end mountain bikes became 1x. Front derailleur seems to be gone. In road bike world this has not happened.
Why so? MTB gear range is typically larger than road ...
- 1,677
6
votes
1
answer
709
views
Is it acceptable to have some noise on largest sprockets?
There is some chain noise on the two largest sprockets on my friend's road bike. It's not a skipping noise and not on a cross-chaining gear. Do you think it is ok to have noise on these sprockets or ...
- 2,130
3
votes
1
answer
2k
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Where should the cable be run on a front derailleur?
I'm trying to figure out the cable direction on Altus front derailleur. This is a top swing FD. It is shown as below figure on shimano's dealer manual but it's not much clear.
Should the cable be ...
- 2,130
1
vote
2
answers
100
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Is it possible to use a 3x7 set of shift levers with a 2x10 drivetrain?
Basically just wondering what's going to happen. I have some old seven speed shifters and I'm wondering if I can use them for a build instead of buying new ones.
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1
vote
1
answer
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Can't keep new drivetrain from clicking and jumping
Recently I replaced crank, chains and cassette on my about 4 years old trekking bike. All parts are low priced Shimano parts, just as the ones I replaced. New crank and cassette have lesser numbers of ...
- 169
1
vote
1
answer
540
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How to fix bicycle shifting down twice on a single click
I have a 1x Microshift Advent x system with Dropbars. I replaced the shift cable housing and cable and now it shifts perfectly, however it downshifts twice in the middle of the cassette. This did not ...
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1
vote
2
answers
969
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Are deore rear derailleurs compatible with 9 speed cassettes and shifters?
I have replaced my Alivio rear derailleur with a new Deore M610 but it doesn't shift properly. The casette is a 9 speed Shimano Alivio CS-HG400-9 11-32T and the shifter is an Altus. Do you think this ...
- 2,130
0
votes
3
answers
511
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Chain rubbing front derailleur even after adjustment
I have a road bike (optimo 4). Getting some issue with chain rubbing the front derailleur which I figured was partially due to derailleur alignment. However after I went to LBS and adjusted it I am ...
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2
votes
1
answer
340
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Should this bolt be tightened?
This bolt on the left side makes the derailleur move hardly or loosely on the derailleur hanger. I don't know how it should be set. Should I keep it tight or loose?
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6
votes
2
answers
591
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Shifting issues... Derailleur hanger or cable?
I have a MTB which I can't adjust its shifting properly. I replaced the rear derailleur and shifting cable with new ones but it still doesn't shift properly. I suspect the problem might be derailleur ...
- 2,130
1
vote
2
answers
122
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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 ...
- 1,817
5
votes
1
answer
902
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Shimano Deore front derailleur return spring broken?
For a couple of days now, I am no longer possible to shift to the smallest chainring of my bicycle.
There is simply no response at all (no resistance, no click-sound, nothing happens. The indicator at ...
- 53
0
votes
0
answers
220
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Oval Rotor Q-rings impossible (for me) to dial in on (new) OPEN U.P. with SRAM Force AXS D1 FD
For a long distance dream build, I chose the latest OPEN U.P. frame and a Force D1 groupset with oval Rotor 48/35 Q-rings.
I'm no stranger to setting up oval chainrings since I've had O.Symetric and ...
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0
votes
1
answer
269
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Does an XT rear shifter fit a GRX RD (both 11-speed, mechanical)?
Gravel bike specs:
• Shimano XT 2x11 shifters, mechanical
• Shimano GRX FD & RD, 11-speed/mech
• 105 crankset, 50-34
The rear shifting is not smooth, especially when I transition to the 4th gear. ...
20
votes
3
answers
12k
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What exactly is the "clutch" doing on a Shimano M8100 rear derailleur?
My new Shimano 12s XT 8100 rear derailleur has the switch with on and off positions. From that I found on the web, it is a "clutch" and I must turn it off when removing the wheel. I can ...
- 8,024
5
votes
3
answers
725
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How to remove the pin on the lower end of the shift cable, to replace the derailleur
I need to replace the rear Shimano XT 7100 derailleur what broke in two at the base. It is attached by the single screw only but there is a metal pin fitted over the tip of the gear shifting cable. ...
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