Questions tagged [shifter]

Questions about shifting between gears or the shifters themselves.

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4 votes
2 answers
326 views

combining an index shifter with a friction rear derailleur

is it possible to combine an indexed shifter with old friction derailleurs? As the cable is moved by the shifter, I understand that derailleurs should work by default and by moved with mm that the ...
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0 votes
0 answers
17 views

compatibility table for shifter and derailleurs

I need a tables of compatibilities in order to find a compatible rear derailleur. And more specifically my need is for a short cage for a 20" wheel, freewheel of 7 speed and 34T max sprucket, and ...
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-3 votes
3 answers
134 views

What is this hole used for in this nameplate for Shimano 105 5800 Brake Shifter?

That hole circled in red, what is it for?
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  • 232
6 votes
3 answers
1k views

Does my shifter need to be replaced after crash damage?

Following my accident, does my left shifter need to be replaced as the area could crack?
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  • 232
2 votes
1 answer
78 views

Can a broken ratchet in Shimano Tiagra 4600 rear shifter be replaced?

It looks like the ratchet mechanism broke in one of my shifters. As I try to shift the bit holding the end of the cable stays put and does not follow the lever. Even when it moves I can then pull by ...
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3 votes
1 answer
55 views

Compatibility of 9-Speed Alivio Rear Shifter with a 9-Speed Deore Rear Derailleur

Is a 9-speed Alivio rear shifter compatible with a 9-speed Deore rear derailleur?
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0 votes
0 answers
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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3 votes
2 answers
265 views

What happens if I shift beyond the maximum ranges?

I have a sensah empire 2*11 speed brifters + front / rear derailleur. I noticed that when switching to gear -1 or 3 for the front derailleur / 12 for the rear derailleur, it makes a louder than normal ...
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  • 133
3 votes
1 answer
75 views

Best integrated road shifter/brake levers for people with small hands?

I’ve seen this subject raised a lot on various forums but with no definitive answer. Lots of opinions but no hard data. My questions are: Is there a measure of lever suitability for small hands? (...
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1 vote
1 answer
137 views

Shimano 105 ST R7000 Shifter Not Engaging Problem

I have a 2 years old Shimano 105 ST R7000 shiter . The left one( front derailleur) started skipping pawl. At first it was 1 out of 10 shifts but then it got worse to a degree to unusable. I ...
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2 votes
1 answer
139 views

Shimano R7020 Shifter leak

I have new bike with Shimano 105 R7020 and my left shifter has some oil/ grease on the spindle (see picture). If I wash and wipe it and will show up again. I checked the oil reservoir and there is no ...
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  • 21
3 votes
2 answers
220 views

Shimano Deore 11s derailleur and shifter with a 9s casette 11-46t (Sunrace)

I was questioning if can I fit an 11s Deore derailleur with shifters to a 9s 11-46t Sunrace cassette? I've got the doubt because I need to change my derailleur to one that can tolerate up to 46t ...
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4 votes
2 answers
108 views

Trigger shifters with reverse cable routing

I'm using bullhorn bars and I wanted the cable routing to be along the handlebars for a cleaner look. While I can use crosstop levers for the braking, I'm having trouble for the shifters. I'm not too ...
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  • 1,111
4 votes
1 answer
143 views

Is the process of shifting the front chainring on a road bike with 2 chainrings always a two-step (two click) process on the shifter?

I have a Shimano Claris groupset. I was speaking to my bike mechanic and he was saying to shift the front derailer it is a 2 step process to change the front derailer. As per the manual it says with ...
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  • 201
3 votes
1 answer
143 views

Chainring spacing of cranksets universal?

My understanding is that 7/8/9/10 chainring spacing is the same. I have a Shimano Claris double/2x8-speed that I want to upgrade to a triple front, but using a 10-speed crank. I’ve acquired a Shimano ...
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5 votes
1 answer
130 views

Sturmey Archer AW shifter cable replacement with generic cable?

I want to replace the cable of a late 1980s AW IGH. I can buy new cable housing from just about anywhere, and cut it to size -- the end caps on the original housing are removable and I intend to re-...
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3 votes
1 answer
154 views

Why is Shimano's top-trim position only ~1mm different from the top position?

The modern range of Shimano shifters (e.g. FD4700 and related: https://si.shimano.com/pdfs/dm/DM-FD0002-05-ENG.pdf) have a top position for big-small, and a top-trim position for big-big. The ...
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  • 1,240
7 votes
3 answers
565 views

Are there any electronic shifters that decide front/back for you?

Are there any road bike electronic shifting systems out there currently that only have a single up and down shifter lever and use a computer to make the decision of whether to shift on the rear ...
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4 votes
3 answers
142 views

Shimano Ultegra shifters 8020 bottom plastic cover screw. Where to get it?

Does anyone know the specs of the screw of part #7? Or where to get it in US? It unscrewed and got lost. I think I might find something similar not bike-specific.
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  • 59
5 votes
1 answer
167 views

Road-size compatible shifter for Shimano Alfine 11

Can someone recommend a shifter for the Shimano Alfine 11 that is compatible with road-size (23.8mm) bars? The standard shifter (Shimano SL-S700) is designed for MTB-size (22.2mm) bars. Thank you!
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  • 1,254
3 votes
1 answer
68 views

Shimano rapid shifter R440 gear display

I have a Masi flat-bar road bike with Shimano 105 groupset (been in storage for years). I've disassembled the R440 rapid shifters and lubed them so that they rachet properly. However, the 9 speed ...
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  • 31
2 votes
2 answers
176 views

2020 Ultegra rear shifter doesn't shift (or indeed even move the cable); cable still tight and derailleur can move by hand

On a ride today, on a gear change, the chain dropped on the front crank. After putting it back on, the rear shifter no longer shifts up or down. The rear derailleur is on the second smallest cog. Some ...
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  • 121
4 votes
2 answers
772 views

Can you use two different shifters (eg. Left-Tiagra,Right-105) on the same cockpit/handlebar?

I couldnt find the correct crankset... so i was wondering if you could use a crankset (Tiagra) with a (105) front derailleur? If not can you use two differnt shifters on one cockpit/handlebar and if ...
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  • 131
3 votes
1 answer
180 views

Can I use 3x sti on 2x crankset?

So my friend is going to upgrade his bike and he's giving his sti for free (Shimano Sora R3030 3x9 sti). My question is if I can use it on my 2x crankset. Will my chaib fall off if I accidentally ...
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2 votes
1 answer
125 views

Shimano tourney 3x fd with 9speed cogs

I'm planning to upgrade my rear cogs and Rd with a 9 speed Sora and I want to retain my 3x setup. I already found the r3030 which is 3x9 Sora shifter. My main concern is if the Tourney 3x FD ...
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4 votes
1 answer
240 views

9 speed cassette and shifter with an 11 speed derailleur, will it work?

So recently my uncle gave me a Deore M5100 11 speed RD, but my current setup uses an Alivio shifter with a LTWOO A5 elite RD and an 11-46T cassette. While yes the LTWOO RD is designed to handle a 46T ...
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  • 41
1 vote
1 answer
31 views

front gear shifter cable sleeve, shifter to frame needs replacing, the old wire rusted inside

bought this bike 2nd hand from charity shop, front gear shifter was sticky and wouldn't shift to 3 [3+8 setup] as was already at 3. [streached?] ''bloke who brought it in said it just needs oiling'', ...
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  • 11
3 votes
3 answers
599 views

Internal hub shifters vs derailleur shifters indexing?

What is the indexing like on the popular internally-geared hubs (shimano nexus and sram i-motion)? Can one use a 3-speed front shimano derailleur shifter (e.g. acera) for a 3-speed shimano nexus hub? ...
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  • 145
2 votes
0 answers
69 views

Road bike shifter cable breaks too often: Shimano ultegra 10 [duplicate]

My rear derailleur shifter cable just broke for the third time in two years 5000 miles/ 8000km. I was lucky this time. It broke a mile from the end of a long ride. What am I doing wrong? Are there ...
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  • 251
2 votes
1 answer
140 views

How to fix a road bike front left up shifter feeling loose and doesn't upshift?

I have a road bike with Shimano Claris shifters and deraileurs. I bought the bike new and everything has been 100% for about 3 months of good riding. I have noticed that shifting into the big ...
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  • 201
2 votes
2 answers
828 views

Using 9 speed Shimano road shifters with 10 speed rear derailleur

I am moving my 9 speed Tiagra brifters over to a new frame and need to purchase a new cassette and RD. Can I run, say, a 105 rd-5701 10 speed on the rear with a 10 speed cassette and get all 10 cogs? ...
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0 votes
1 answer
195 views

How to attach Micronew Sti Shifter to handlebar

I bought a pair of Micronew R7 2x7 sti shifters. They don't come with a manual but look almost exactly like the Microshift sti shifters. I looked inside the shifter while holding down the brake ...
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1 vote
1 answer
210 views

is Shimano GRX ST-RX810-R 11 speed shifter compatible with Shimano XT M8000 Shadow+ Rear Derailleur - 11 Speed - Medium Cage GS

is grx ST-RX810-R rear shifter compatible with xt rear derailleur, Shimano XT M8000 Shadow+ Rear Derailleur - 11 Speed - Medium Cage GS
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  • 11
4 votes
2 answers
350 views

Shimano shift levers for small hands (r7025 v.s. GRX v.s. di2)

I have relatively small hands (fitting men's S gloves). Though mostly fine with the 105 r7020 shift levers after minimizing the reach, I never feel really comfortable or confident. I'm wondering if I ...
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  • 139
3 votes
1 answer
119 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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4 votes
3 answers
948 views

Shifter cable ruptured near the inner end in ST-R7020 - usual defect?

Is is a shifter cable ruptured/torn near the inner end a usual defect with the ST-R7020 shifter or alike? Some words on the symptoms when this defect happened (might help others with diagnoses): ...
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2 votes
1 answer
66 views

Replacing X9 10-speed shifter with GX 10-speed

I currently have a badly broken 10-speed X9 shifter. I can replace it relatively cheaply, I think, with a GX 10-speed, available at a local store. I believe that all 10-speed SRAM shifters are ...
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  • 796
0 votes
1 answer
103 views

Can I go from MTB shifters to road shifters?

I am kinda a newbie, so excuse my terrible vocabulary. So I was thinking about getting a 1995 Trek 720 Multi-Track and switching out the bars for some road bars and new road shifters. Although, after ...
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  • 3
1 vote
2 answers
214 views

Compatible thumb shifter for Shimano Nexus 8 speed internal gear

My bike has an 8-speed nexus hub and the plastic adjustment screw broke. Now I can't adjust the cable anymore and can't use some of the gears. My question is, can I use a normal thumb shifter on my ...
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1 vote
1 answer
142 views

How to fix shifter returning to 6th gear

I need help I was riding my Roadmaster Granite Peak bike when suddenly the gear shifter just shot into 6th Gear and will no longer lock into other gears for you to have it stay in a gear like 2nd or ...
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  • 11
0 votes
2 answers
112 views

What front derailer and shifter that can be used with a shimano cranket set FC-M610 (48-36-26 AL gears)?

I want to build an MTB and have this new FC-M610 crank. What front derailer and shifter that can be used with a Shimano crankset FC-M610 (48-36-26 AL gears)?
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  • 1
2 votes
2 answers
71 views

Friction shifters keep sliding into high gear

Recently, one of my friction shifters (the one on the right side of the bike) has been sliding into the highest gear. I can access the lower gears if I hold it in place while biking. I'm wondering if ...
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  • 21
3 votes
2 answers
257 views

Do I have to change chain when swapping 11 speed casette to 9 speed?

I just got a wahoo kickr core and bought a 9 speed casette for it. Went for a ride on zwift and after a few gear changes, things started getting loud and ugly. Eventually, the chain slipped completely ...
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1 vote
3 answers
123 views

Info on revoshift knobs?

Why do Revoshift knob have two separate cable and barrel adjust ports coming out? Do they each go to each derailleur?
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3 votes
1 answer
148 views

Can I use a front shifter designed for 3x10 speed setups on a 3x7 bike?

There are front shifters marketed for 2x10 or 3x10 speed setups. Why should they be only used in combination with a 10 speed rear shifter? Do they have any relevant influence on the rear sprockets, ...
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  • 31
1 vote
1 answer
84 views

My bike is not shifting to the proper gear

So I have a Shimano derailleur and it shifts up decent only problem is it does not shift to the gear it's supposed to shift to. On my bars it will say I'm in gear 5 for example but the back of my bike ...
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1 vote
1 answer
439 views

Can I mix shifter (deore m4100 10 speed) with my Rear Derailleur (deore m6000)?

Can I use deore m4100 10speed shifter with my RD deore m6000 10speed RD?
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5 votes
1 answer
439 views

Missing piece from shifter

I am missing the piece that holds the cable in the shifter body. Does anybody know if I can buy just that part? Are the treads standard and a could buy an inexpensive shifter and just take off this ...
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  • 809
2 votes
3 answers
120 views

Why would 6 stops on a Shimano shifter travel 7 cogs with a Shimano derailleur?

I'm replacing the rear shifter on my old Kona mountain bike from the late '90's. It has an 8-speed rear cassette with a Deore XT derailleur. I got a basic ST-EF500 8-speed Shimano shifter/brake ...
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11 votes
3 answers
4k views

Can a counterfeit Shimano chain be used on an authentic Shimano drivetrain?

I unwittingly purchased a fake CNHG901 HG-X11 chain for my Shimano 2x11 M700 groupset because my original chain already had 0.75 wear. I was naïve to think that I'd actually get a legitimate chain ...
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