Questions tagged [shifting]

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

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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 ...
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1 vote
1 answer
30 views

SRAM 11-speed rear derailleur will not engage one specific gear (5th gear)

I have a Giant TCX SLR 2 with an 11-speed SRAM shifter which fails to shift to 5th gear every time when shifting from a larger diameter gear to the 5th gear. All other gears are okay. Shifting again ...
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5 votes
0 answers
92 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 &...
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2 votes
1 answer
71 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 ...
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4 votes
1 answer
182 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 (...
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3 votes
1 answer
45 views

SRAM X01 derailleur very slow to shift into two smallest cogs

I recently changed bikes and have my first SRAM derailleur. I'm relatively new to bikes (couple of years) but mechanically handy, and had no issues adjusting the Shimano XT derailleur on my last bike....
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48 views

Shifting issue on road bike

Got given a BH Zapphire road bike, in good condition but rear gear cable was snapped. I have fitted a new cable but now got an issue. The gear will move up to the larger cogs fine, but then when I try ...
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2 votes
2 answers
81 views

Chain dropping between chainrings when shifting down

I have a power2max NGeco 110mm spider with SRAM 50/34 chainrings mounted on it. I'm using an 11sp chain and an R8050 Di2 front derailleur. When changing from the big ring down to the small ring, the ...
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6 votes
2 answers
189 views

Are there any fully automatic electronic shifters?

Inspired by Are there any electronic shifters that decide front/back for you? and a near duplicate of Is there such thing as an automatic transmission for bikes? the difference being that here I'm ...
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1 vote
2 answers
70 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 ...
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1 vote
1 answer
151 views

Sram Rival 11 speed + GX 10 speed dérailleur

Do you know if I can use Sram Rival 11 speed shifyers with a GX 10 speed dérailleur and if it will shift properly? I am planning to use an 11speed 11-42 cassette. Of course à grave monster project 👹😉...
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3 votes
4 answers
865 views

How to run full length cable housing to front mech on a frame without cable stops?

I have an All-City Space Horse frame that has cable guides for full length housing where you use zip ties to secure the housing. But there are no traditional cable stops. The housing runs from the ...
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  • 639
0 votes
2 answers
185 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?
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0 answers
13 views

Replacing a mismatched Tiagra FD-4503 front derailleur [duplicate]

Note: I butchered the specs in a previous post, so I recreated the question. I haven't found great information on how to replace this derailleur, and I need to figure out what'll be compatible. I had ...
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1 vote
0 answers
79 views

SRAM Rival eTap AXS in «semi-automatic» mode

I am an almost complete noob in electronic shifting, so pardon my possibly stupid question. I've read somewhere that sram rival etap has a «semi-automatic» shifting mode, which keeps jumps to next up/...
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0 votes
2 answers
83 views

How critical is the position of the shifting aids (pins) on the front chainring?

My crankset (Ritchey Logic) has a 5 arm spider design with one chainring bolt hidden behind the crank arm. When installing a large chainring I need to rotate the ring in order to install it properly. ...
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5 votes
2 answers
449 views

Shimano Cassette Size Change

I recently purchased a wahoo kickr core and I picked up a Shimano Tiagra CS-HG500 11-32t cassette to put on it. Currently I am running an CS-HG500 11-34t cassette and GRX400 setup. Shimano's website ...
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1 vote
3 answers
1k views

SRAM Force eTap AXS 2x12 compatible with Shimano 11-speed crankset and Shimano rim brakes?

I wish to upgrade my bike with the "SRAM Force eTap AXS 2x12 Upgrade Set"; this set would include the derailleurs and levers. The thing is, my current Shimano Ultegra 11-speed crankset (FC-...
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  • 113
4 votes
2 answers
122 views

One rear cog doesn't shift down

Recently, I have replaced a chain after noticing that the old one gained 0.75-1 percent of elongation. After that everything worked fine, i.e. shifting was consistent and smooth, drivetrain worked ...
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  • 53
3 votes
1 answer
120 views

Is it possible to shorten the lever throw/stroke on a flat bar shifter (Shimano Sora 8s)?

I'm having some thumb pain with my new bike, and I think that a part of it is because the big trigger requires my thumb to go back quite a lot, forcing it to a not ergonomical move. Is it possible to ...
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2 votes
2 answers
201 views

Shifting cable maintenance/swap with internal cabling on Cube nuroad

I need some guidance on how to replace the shifting cable on a Cube nuroad with its internal cable routing. I prefer not to replace the outer cables nor to remove the hydraulic hose. The hydraulic ...
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0 votes
0 answers
44 views

Mountain bike Yazoo Fsv 3.6n front derailleur shifter is not shifting under the 2nd gear

My Yazoo FSV 3.6N MTB front derailleur is not shifting under the 2nd gear. When I try to shift down it doesn't go to 1st gear, it stays between 1st and 2nd. I'd leave a video here but I can't.
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-3 votes
1 answer
99 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 ...
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  • 12.4k
0 votes
1 answer
67 views

MTB shifts into spokes

When you shift into the lowest gear at the back it seems to shift but I noticed you can press the shifter one more time which makes the jockey wheel go beyond the back of the cassette. What is the ...
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  • 1,067
1 vote
1 answer
96 views

when shifting to smaller cog, chain skips a gear

So if i start on the biggest cog, shift down once, nothing happens. If i shift again, it shifts, but skips a cog to go to the third cog.
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3 votes
1 answer
254 views

TS6 and TS3 meaning on FD's?

I see these on the product model number of derailleurs but cant seem to know what's the difference? Like there would be 2 models for an alivio top swing fd and one would have the ts3 and the other ...
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0 votes
2 answers
197 views

Can alivio fd (m4000 or m3100) handle 44/32/22 crankset?

Bought a m3100 alivio groupset together with a fc mt210 44/32/22 crankset. Will a m3100 side swing fd or a m4000 top swing be able to handle a 44/32/22 crankset? I have read on the shimano website ...
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1 vote
1 answer
127 views

What are the cause that i have to shift 2 times when shifting from the smallest chainring to the big one?

When i try to change gear 1 time from the smallest chainring to largest one, it wont move and it will make a sound and the chain will fall off if i didnt click to chage gear again. Until i do it 2 ...
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5 votes
1 answer
214 views

Nexus IGH reluctant to shift after applying load

I ride a belt drive bike with a Shimano Nexus SG-C6001-8D IGH. I'm aware of the normal cable adjustment procedure (aligning yellow marks on the hub), I've done this. When I ride normally, shifting is ...
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  • 377
4 votes
3 answers
1k views

45 day old SRAM rear derailleurs jumps gears

have a 1x12 SRAM NX drivetrain on a fairly new full suspension MTB. Been feeling great but yesterday it began skipping a gear when I shift. That is, if I start in 1 and click 4 times I wind up in 6th ...
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1 vote
2 answers
92 views

FD not for shifting gears?

Complete amateur here but I took my 2021 Kona Rove Al650 to the shop today because the FD is not shifting. One of the mechanics told me that the FD on the Kona Rove is only used to adjust the chains ...
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  • 11
0 votes
1 answer
129 views

Cable head is too small

when I came to change the shifting (gear) cable on my claude butler bike I found that the original cable has a slightly bigger head(nipple) than the replacement cables I have-3.9mm compared to 3.5mm ...
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1 vote
1 answer
58 views

Still skipping cogs when shifting after indexing and replacing shifter

I have been having problems with cogs being skipped when shifting up or down. Heavy pedaling will cause shifting sometimes. To fix this I tried resting the high and low limit screw and reindexing the ...
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1 vote
2 answers
91 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 ...
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4 votes
2 answers
184 views

Ultegra shifting issue

Relatively recent (within 5 years) Ultegra 11-speed set up on internally routed carbon frame. Replaced cables. Rear mech. shifts fine...until front mech. is shifted to the big ring. When there is ...
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  • 241
0 votes
2 answers
110 views

Shifting problem

When shifting gear on my mtb sometimes the chain sticks between cogs and other times it does not move immediately .Would be glad of any advice as it is very annoying I managed to stop to have a look ...
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6 votes
2 answers
1k 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 ...
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  • 3,147
4 votes
4 answers
1k views

Internal Gear Hub Nexus 7

I just bought a new bike and it has the nexus 7 internal hub. This is my first internal hub. I love to ride but admittedly don't know much about the mechanics of bikes. I'm 57 and mostly ride the bike ...
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4 votes
3 answers
2k views

11 speed shifter levers on my 10 speed drivetrain

Currently my Ultegra 6700 (10speed) shifters won’t shift anymore and I planned to buy a new shifter lever. I’m planning to replace it with Shimano 105 11s shifter on my 10speed cogs and rd . Is it ...
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-2 votes
1 answer
448 views

Apparently too much rear derailleur cable pull

I have a Deore XT RD-M761 GS medium cage derailleur on my touring bike that seems to move too much per shift. It shifts the chain on a 11-30 8-speed cassette with chainrings being 36/48 and the ...
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  • 12.4k
0 votes
1 answer
118 views

Rear derailleur does not shift onto sprockets 2 and 6

On a 3x7 gear 1990s Trek 800, the rear derailleur skips the second-smallest and second-largest cog, but goes into the smallest and largest ones. How to fix this? Shifting towards larger cogs, the ...
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2 votes
1 answer
443 views

Lower limit screw for derailleur adjustment is already at its outer limit

I have to adjust the gear shifting since the chain scratches at the front derailleur (at front smallest cog back largest cog). For this I have to turn the lower limit screw further out but it is ...
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6 votes
2 answers
1k views

Why does my vintage Shimano rear derailleur come with brake style cable housing?

I got a NOS Shimano RD-6400 rear derailler and it came with cable housing that I usually see on brake cable housing with that thick wire coil inside. I always thought those aren't suitable for ...
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  • 639
6 votes
3 answers
858 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 ...
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  • 3,147
0 votes
1 answer
319 views

SRAM Rival 1x: Hestitant shifting in middle of cassette when going to larger cogs - causes?

I have a few months old bike with SRAM Rival 1x. I have changed the cassette (to get closer gear spacing) and chain and can get the rear derailleur to shift almost perfectly swift and accurate both ...
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  • 181
3 votes
1 answer
924 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 ...
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  • 4,112
1 vote
1 answer
66 views

Do indexed 3x downtube/barend front mech shifters exist?

I'd like to use a 3x chainset and wonder if indexed 3x downtube/barend front mech shifters exist?
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  • 639
0 votes
2 answers
204 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. ...
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3 votes
2 answers
580 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 ...
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1 vote
0 answers
60 views

If the parts inside a friction shifter are rusty, should I replace them?

I recently got a bike from my neighbor, and it has shifting problems. It won't shift out of the lowest gear on the rear cassette. The shifters don't do anything. I can pull the cable by hand, and it'...
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