Questions tagged [shifting]

Questions relating to the act or mechanisms involved with moving the chain from one gear to another.

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5 votes
2 answers
235 views

Chain wear due to standing while pedaling

Does standing up while pedaling increase chain wear (lengthen chain) faster than pedaling while seated?
1 vote
2 answers
505 views

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 ...
1 vote
1 answer
62 views

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
762 views

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 votes
1 answer
128 views

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, ...
1 vote
0 answers
68 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 ...
5 votes
1 answer
75 views

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
669 views

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 ...
1 vote
3 answers
260 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 ...
1 vote
2 answers
304 views

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 ...
3 votes
2 answers
107 views

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 ...
6 votes
1 answer
1k views

Loud clunk moving to smallest sprocket

When I shift gears to the smallest sprocket it makes a very loud clunk sound. There's also a lot of movement in the chain, like a bounce. I've taken a video demonstrating this Video of clunk I'm ...
5 votes
4 answers
488 views

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 ...
0 votes
1 answer
126 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 ...
24 votes
8 answers
8k views

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 ...
0 votes
1 answer
374 views

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 ...
2 votes
2 answers
106 views

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 (...
0 votes
2 answers
119 views

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 ...
4 votes
2 answers
164 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 ...
6 votes
1 answer
469 views

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 ...
37 votes
13 answers
24k views

Is there such thing as an automatic transmission for bikes?

Has anyone ever designed or manufactured an automatic transmission (or automatic shifter?) for cycling? I imagine such a device would automatically change the gearing to allow the rider to maintain ...
6 votes
7 answers
66k views

Front derailleur is hard to shift into the big ring. Where to start?

I have a shifting problem on a bike that has a crank with a triple set of chainrings. The bike is a tandem. I have to put a great deal of effort to get it to shift into the big ring. Where should I ...
0 votes
3 answers
339 views

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 ...
6 votes
1 answer
469 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 ...
3 votes
1 answer
602 views

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 ...
1 vote
2 answers
75 views

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.
1 vote
1 answer
76 views

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 ...
6 votes
3 answers
842 views

How can I get a lazy rear derailleur to move all the way into smallest cog position?

I have a Microshift Marvo XE rear mech, 9 speed, on a little recumbent I made. It's been a decent derailleur, but recently, when in the smallest cog (11-32 cassette back there) it does the "clunk-...
1 vote
1 answer
294 views

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 ...
2 votes
1 answer
196 views

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?
6 votes
2 answers
464 views

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 ...
1 vote
2 answers
117 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 ...
6 votes
2 answers
5k views

Chain length differences between 1X and multi-chainring setups

When determining correct chain size, one common technique is to install the chain (without passing it through any derailleur) onto the largest front and rear sprockets. Then, determine the shortest ...
5 votes
1 answer
574 views

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 ...
0 votes
0 answers
165 views

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 ...
3 votes
2 answers
163 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
75 views

How can I adjust the front derailleur range of my bike?

My front derailleur is kinda old and malfunctioning and while I'm not buying a new, I would like to make it shift only from the small cog to the middle one. It's, currently, shifting from the biggest ...
0 votes
1 answer
132 views

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. ...
3 votes
2 answers
3k views

Can a 12 speed Shimano micro spline cassette be used with SRAM Eagle 12 speed components?

Is it possible to use a Shimano 12 speed micro spline cassette with a SRAM Eagle 12 speed chainring, derailleur, and possibly chain? Or are there any incompatibilities, such as a Shimano chain also ...
20 votes
3 answers
7k views

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 ...
5 votes
3 answers
616 views

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. ...
1 vote
1 answer
185 views

Shifter/IGH stuck on 3rd gear on Shimano Nexus 7-speed

There are many similar questions on SE, but none I think are the same. This morning, commuting on my bike with Shimano Nexus 7, I suddenly realised I can't shift anymore. I have a grip shifter, it ...
6 votes
1 answer
711 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 ...
2 votes
2 answers
365 views

Shifting gears is too hard

I bought my son a new bike (Early Rider Seeker 20) and at the first ride it turned out that he is not able to shift gears down (5 to 4 or 4 to 3 asf) because it is too hard to press. I tried it myself ...
1 vote
1 answer
112 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 ...
4 votes
3 answers
2k views

Friction shifting 9 speeds using an 11 speed rear derailleur

I am interested in running a 1 x 9 drivetrain using an 11-speed Shimano 105 R7000 rear derailleur. If I'm friction shifting 9 speeds, will using an 11-speed derailleur cause issues? Or is it as simple ...
2 votes
2 answers
558 views

How much bend can I have on a gear cable before shifting performance is affected?

I have a Sunrace m2t derailleur on an old Batavus holiday dutch bike and I am running the gear cable from the derailleur down the chain stay under the bb and up the down tube. The bend on the gear ...
5 votes
1 answer
184 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 &...
1 vote
1 answer
2k views

Is Shimano Deore M5100 Rear derailleur compatible with Shimano 105 11-speed groupset?

I have a road bike equipped with full Shimano 105 11-speed groupset from top to bottom. The current rear derailleur is RD-5800. Is it ok to replace it with a Deore M5100 Rear derailleur, which is also ...
3 votes
1 answer
278 views

I can operate any stick shift without the owner's manual; can I operate any front derailleur with no manual?

Car stick shifts vs. bike front-derailleur operation We thankfully have a standard for driving automobiles. We can operate a new or a rental car without reading its owner's manual. Reading the manual ...

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