Questions tagged [shifting]

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

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51 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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1answer
43 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.
3
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1answer
43 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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2answers
47 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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1answer
77 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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1answer
110 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 ...
4
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3answers
949 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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1answer
62 views

Intrepid twenty on speed, getting information and understanding the gears? [duplicate]

I have just started using my bike casually for exercise and wanted to know the Gears, Front gears 1-3- Back gears 1-7, When do i switch from downhill to uphill? I was told to keep on 3 Front ad back ...
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2answers
85 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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1answer
70 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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1answer
37 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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2answers
79 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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2answers
158 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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2answers
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 ...
5
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2answers
383 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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4answers
632 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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3answers
1k 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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1answer
182 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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1answer
93 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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1answer
273 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 ...
6
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2answers
947 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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0answers
35 views

Are there stepped ferrules for 4mm housing?

I'm looking for stepped ferrules that fit my jagwire shifting cable housing (4mm) and the cable stop on my 80's steel frame (aprox. 4.8mm). Do these exist?
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3answers
669 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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1answer
124 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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1answer
341 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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1answer
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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2answers
148 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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2answers
425 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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0answers
42 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'...
4
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3answers
83 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 ...
7
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1answer
745 views

Derailleur can't shift to 51-T sprocket. Deore CS-M5100 + RD-M5100

ISSUE: When attempting to shift to the largest cassette sprocket, the side of the derailleur cage contacts the 51t sprocket, so the chain is not able to go up the gear. WHAT I DID: My drivetrain was ...
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1answer
93 views

Rear derailleur adjustment

I have a 7 speed Shimano derailleur. It shifts really good from 1 to 6 but when I try to shift from 6 to 7 it just doesn't want to shift. Can someone help me?
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3answers
91 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 ...
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0answers
57 views

Vintage 3 Speed Shimano Shifter

I fixed an old three speed bike and I have an old 3 speed Shimano shifter. The cable was rusted and I thought if I open up the shifter I can clean the cable and make it work. Unfortunately I unscrewed ...
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2answers
459 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 ...
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2answers
140 views

Can I swap my front 2x chainring on my MTB to a ~46T chainring?

The type of cycling I do means I'm never really presented with mega-steep climbs. I used an online calculator and worked out I never really use gear ratios below about 39, which on my MTB at the ...
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1answer
142 views

Converted to drop bar and dual brake/shift levers and problems with front derailleur

Hoping someone can help out here. I had originally had a 2016 Kona Deluxe hybrid. Over the years I changed to bullhorn bars with the original shifters etc. I love this bike, but I wanted drop bars and ...
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1answer
170 views

Mountain bike front derailleur won't shift up

I didn't use my bike for few months. Now the front derailleur won't shift up. Basically, when I shift to the second gear I hear a "click" then the chain is stuck between the first and the ...
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1answer
83 views

Last gear does not work

My bike has 12 gears on the rear wheel. When I put the last gear (12) it starts constantly changing from 12 to 11 gear without me doing anything. For example, I put the last gear and it works; right ...
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1answer
122 views

Does new chain on old cassette damage chain?

I know that a new cassette can be damaged by and old chain. What about the opposite? Can a new chain be damaged by an old cassette?
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2answers
152 views

Chain wear due to standing while pedaling

Does standing up while pedaling increase chain wear (lengthen chain) faster than pedaling while seated?
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1answer
90 views

Road bike: can't shift down on front gears

I only have two chainrings on the crank. The chain is stuck on the big one. When I hit the button on the shifter to shift down I am not seeing the cable move at all which is odd. Not sure where to ...
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0answers
50 views

What might be causing the faulty shifting on my bike?

I bought a used bike that has 8 speed cogs and 3 speed chainrings. The front shifts great but the back regularly fails on the 6th and 5th speeds. I know a bit about adjusting the shifters so I can say ...
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1answer
45 views

Hey my right gripshift won't turn, need help

My mongoose bikes right shifter won't shift, it's too hard or stiff and the wire that connects to the gripshift is loose which isn't normal because the left shifter is in place and not loose and works....
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3answers
656 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 ...
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3answers
312 views

Will using WD-40 to flush cable housing dirt harm the housing?

I have a bike with a really old shift cable and housing. There is significant friction between the housing and cable. I will replace the cable, but hesitating to replace the housing because I will ...
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2answers
585 views

MTB 1x vs 2x cross chaining [duplicate]

I've got a good deal and bought a new bike with full Shimano XT groupset and 2x Drivetrain which I am not fully satisfied with, it has 34/24 and 11-42 setup. I would prefer 1x more but not going to ...
2
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1answer
65 views

New chain - problems getting into low gears

SRAM GX 11 speed. I snapped my chain last week. Replaced with a fresh SRAM 11 speed chain. I used my old chain as a guide to get the length on the chain right - but I can't swear it is a link ...
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2answers
205 views

Upgrade Peugeot 5-speed to indexed flat bar shifters

My girlfriend got a vintage Peugeot with original 5-speed cassette (2 front gears) and friction stem-shifters (with a flat bar). She's struggling with the shifting. I'm considering the following ...
4
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1answer
135 views

Shimano 105 rear derailleur issue

I have a specialized roubaix of 10 years old. With shimano 105 group. I’m having trouble with my rear derailleur. I want to adjust it so i start on the smallest gear at the back and change gear one by ...