Questions tagged [shifter]

Questions about shifting between gears or the shifters themselves.

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votes
2answers
62 views

Shimano new shifters needed to replace 105 10speeds

My right shifter has completely broken and I need to buy new shifters. The current setup is a 10-speed system using 105's. I appreciate that the new 105's come in an 11-speed option only. The ...
4
votes
1answer
64 views

How much can bike shift cables spool, and over what radius?

Some shifter designs have become known for causing broken cables, anecedotally because they're causing too much repeat spooling and unspooling over too tight a radius. For example, broken cable heads ...
1
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1answer
82 views

Brifter won't downshift

I've got a bike with a Dura Ace R9100 drivetrain. About 800 miles on it. Until my most recent ride, no problems. On my last ride, the rear derailleur would occasionally upshift spontaneously, and the ...
2
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3answers
85 views

Change old external ultegra brake cables to under the tape brakes

Is it possible to change my old external ultegra brakes to integrated brakes ?
2
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1answer
70 views

Shimano Deore SL-M590 shifter lever stuck

I have the Shimano Deore SL-M590 9-speed shifter, bought new and used for about 3 years. On my ride today, the upshift lever got permanently stuck forcing me to complete my ride in the lowest gear. I ...
12
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6answers
2k views

Why are trigger shifters so widely used, instead of the twisting grip shifters(revoshift)?

I recently rebuilt my whole bike. It was in terrible condition. I also decided to get a new freewheel with more speeds. While i was doing some research and looking through shifters and freewheels, i ...
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1answer
28 views

Sora R3000 brifters with the M4000 rear derailleur

Is the pull ratio still the same ? I can only find info on the older gen sora shifters not the most updated ones..
3
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1answer
62 views

Looking for Bar-end shifters (Shimano Golden Arrow)

I want to use bar-end shifters instead of downtube shifters on my '85 Koga Miyata Traveller, but I don't know if it can be done easily. I believe all components are original, because the derailleurs ...
1
vote
1answer
116 views

Change out shifters to be push-pull

I have a Specialized Rockhopper 29 that has a Shimano Tourney RD-TX800 8 speed rear derailleur and a Shimano Altus FD-M315 2 speed front. The shifters installed on that are Microshift TS39-8R which ...
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1answer
45 views

replace shimano st-ef-41-l with shimano alivio left shift

My shifter st-ef41 is broken the only available shifter is the Shimano alivio or the Shimano acera. please advise Asap thanks
2
votes
1answer
70 views

Three speed STI shifter on two speed crankset

I just bought old Shimano RSX STI shifters for my 90s road bike, which had a Shimano 600 Tricolor Group (2x7) with downtube shifters. While the rear shifter I bought is correctly a 7 speed one, the ...
1
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0answers
80 views

very hard to shift gears when clutch is activated

I have a fairly old Shimano RD-M8000 with which it becomes increasingly hard to shift gears when the clutch is activated. Particularly the mid-range gears are hard to shift into, the very low and very ...
4
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2answers
136 views

Broken Sturmey-Archer dual cable 5-speed shifter

I have this Sturmey-Archer shifter which controls a hub with 5 speeds with cables on both sides of the hub. These 5 speed with 2 cable shifters are very hard to find and my shifter broke as the ...
5
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0answers
65 views

Alternative to 5-speed twist shifter for Shimano Nexus 5-speed IGH?

I'm going to buy a SG-C7000-5D / SG-C7050-5D and don't want to use the twist shifter. Unfortunately there aren't many 5-speed flat bar shifters around theses days. I've searched for alfine shifters, ...
2
votes
1answer
189 views

Fitting Matchmaker X to SRAM Guide T brakes?

I've got a prebuilt MTB that came with an SRAM NX drivetrain and Guide T brakes and I'm looking at upgrading the drivetrain to higher end parts. I'm thinking about taking the upgrade opportunity to ...
0
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1answer
63 views

Grx 10 speed problem

I have a new 10 speed grx group set. The right hand shifter have only 9 gear. I check the problem is in lever,i felt in high gear it was making a big jump. Are there any suggestions for someone who is ...
1
vote
1answer
93 views

Derailleur indexing problem - doesn't change from 8 to 7 but skips form 3 to 1

I just fitted a new 8 speed Shimano cassette (CS-HG41-8) and chain (CN-HG40) to my new turbo trainer (Elite Suito). Answers to my previous question suggest that this should work OK (see Can I put a 8 ...
6
votes
1answer
89 views

Ultegra 6600 right shifter lever alignment

Have a set of Ultegra 6600 SL shifters that I'd love to put to use, but encountered an oddity with the right hand (rear) outer shift lever. It appears the lever return goes too far and so as a result, ...
0
votes
2answers
123 views

Is the Shimano SL-M590 shifter compatible with XTR RD-M900 rear derailleur?

Shimano is known for making their high end components incompatible with their lower ranges (e.g. dura-ace 7400). How do they handle this on their mountain bike range? In my case, I'd like to run a RD-...
3
votes
2answers
243 views

Why does my front shifter take so much effort to get into 3rd?

I'm trying to get my son's bike dialed in. We bought it used and it's not quite right with respect to the front shifting. I got the front derailleur stops adjusted properly so it limits at the right ...
2
votes
2answers
452 views

I want to upgrade my 2020 Allez from Claris to Shimano 105

I have a 2020 Specalized Allez that came with Shimano Claris, but since I live in a very hilly area, I feel as if I need more gears. I have been biking for a while now, but I don't know if I need to ...
4
votes
1answer
316 views

What is this adjuster in the shifting cable?

In the shifting housing leading to my Shimano R7000 Front Derailleur sits an adjuster (see attached image). I could not find any documentation on the Shimano Website. Does anybody know (1) what this ...
12
votes
4answers
2k views

What is this stamped metal piece that fell out of a new hydraulic shifter?

I’m finishing setting up a new bike, and right as I finished bleeding and shifting around the left shifter (r7025), this little stamped steel bit fell out. It’s about 11mm in diameter and 0.5mm thick....
3
votes
2answers
90 views

Why is this STI shifter cable corkscrewing?

I have a roadbike with an older Shimano 105 set of brifters. The left hand / front shifter has always had problems getting the chain to the big ring, to the point I often have to dismount to reset ...
5
votes
3answers
647 views

Shimano STI shifters: do they come in different sizes?

I was sure that there's only one size for Shimano road bike shifters. But now I'm helping a friend to choose a bicycle and it seems that a lot of them have bigger shifters judging by images that I'm ...
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2answers
133 views

Using a 10 speed Shimano 105, do the shifters ever wear out? Should I get a spare just in case?

As per title as I would like to keep my bike as Long as I can.
1
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2answers
93 views

What size mounting bolt does a Shimano SL-M7000-11 take (pic included)

I've searched far and wide and can't seem to find a parts list for this shifter. I've lost the bolt and need to purchase another. It is the right-hand (rear) shifter, for an 11-speed Shimano XT group.
3
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2answers
649 views

Need help understanding my grip shifters on my handle bar

I am new to mountain bikes and recently bought the Apollo Phaze bike. I was wondering if anyone can help me understand the functions of these gears and when to shift them. For example, when commuting ...
3
votes
2answers
619 views

Broken 105 shifter

Yesterday I went for a ride and unfortunately, as it was kind of wet, my wheel slipped while braking into one corner and I crashed. Speed of the crash was around 20 kmph (12 mph) (nothing crazy, most ...
3
votes
2answers
2k views

Derailleur-shifters compatibility Shimano GRX

Shimano writes in the description of the Shimano GRX Shadow Plus RD-RX812 11-speed rear derailleur that it is compatible with shifters GRX ST-RX810 and ST-RX600 shift/brake levers. Should I understand ...
1
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1answer
67 views

Sora shifter broken

Wacky shifting on my 9 speed Sora shifter. It's fine going up toward biggest cogs but skips 2-3 gears when going down from the biggest cog. It shifts fine when going down from the middle to smaller ...
2
votes
0answers
189 views

Normal MTB trigger shifters and hydraulic brake levers on a bullhorn handlebar

Was wondering if mounting Altus shifters and hydraulic brake levers on the vertical sides of a bullhorn handlebar would work or would be possible? I tried holding one of my grips on my flat bar while ...
4
votes
3answers
303 views

What previous Shimano road shifters are 10sp and exit cables under bar tape?

I'm swapping out some parts on an old road bike I have to build it up as a winter/less cared about run around. Looking for what I can on auction sites etc., but the model numbers elude me. I have a ...
1
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0answers
58 views

Shifting Lever Unit replacement/interchangeability on Shimano 8 speed XT/XTR shifters

Are the levers/internals interchangeable? Meaning will they all fit the same housing or can I swap one for the other if needed? Will any 8s XT/XTR shimano 8 speed shifter lever fit any other 8s XT/...
0
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1answer
161 views

Best solution for 2x8 index shifting [closed]

I've been riding a pretty well-tuned frankenbike (I call it the argos, I've had it for 15 years) set up with claris 2x8 shifters (r2400) and dura ace (7700) derailleur on the back with an old ultegra ...
1
vote
1answer
103 views

Shifter won't click and cable doesn't move

My front gear is set on the smallest gear then the shifter suddenly doesn't click. I also see no cable movement from the front derailleur. Here is the link for the vid: https://imgur.com/ZncNh70
0
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2answers
134 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. ...
0
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2answers
93 views

Shift lever and rear derailleur compatibility

I have got MTB with Shimano RD-M410 Alivio Rear Derailleur 8 speed. It has brake/shift lever for it model ST-EF50-8R. I would like to move to disc brakes and therefore want to change to ST-EF505 ...
0
votes
1answer
37 views

Weird sounds from Sram GX crank / shifters?

When moving the chain backwards while bike is standing, I hear some weird sounds.. I made a playlist on youtube and would greatly appreciate some help :(. Video titles give more details. Should it ...
1
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0answers
39 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
votes
1answer
73 views

Shift Cable for 1963 Schwinn w/Sturmey Archer Shifter

This is the shifter on my 1963-64 Schwinn Racer: This is the old cable: I'd like to replace the cable and found this: It's hard to tell what the cable ends look like inside the packaging but is ...
1
vote
1answer
87 views

Different Derailleurs with different shifters

I want to install hydraulic disk brakes on my bicycle, however I also need shifters as shifters and brakes are integrated on my bike. I have 3 speed tourney FD TY 500 triple in front and Altus MD310 ...
4
votes
3answers
693 views

Giant conduct compatible stem

Does anyone have any experience with the Giant conduct system (semi hydraulic breaks) and compatible stems? My partner bought a bike which came with a conduct 100mm stem. She feels that the reach is ...
3
votes
3answers
83 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 ...
1
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2answers
1k views

Can Shimano Claris R2000 shifters be paired with Claris 2400 derailleurs?

Can I use the modern looking shifters with the older model derailleurs without any problems in shifting?
1
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0answers
84 views

Is my right DI2 shifter bad? It will shift “up” but not “down”

The left shifter and front derailleur work fine. The right shifter works fine if I shift to a smaller gear; the bike does not respond if I shift to a bigger gear. I plugged into my PC and from there ...
0
votes
0answers
55 views

Cassette noise in gears 1,2 and 3 on newer bike

I was out riding when I broke my chain (too high of a gear and too steep of a gradient). Got chain replaced and now my cassette gear 1 (easiest gear) takes more power to pedal than gear 2 and when I ...
3
votes
1answer
258 views

Use indexed shifters on new bike

I have a 26 inch 24 speed mountain bike. When I get another bike, can I re-use the Sunrace indexed shifters on the new bike? It would be a 26 inch bike also.
1
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2answers
137 views

Which shifters are compatible with dura ace 740x?

I've read that Shimano updated the cable pull ratio on their other series early on but not for Dura-Ace until 1997 with the 7700. Which downtube shifting levers are compatible with their 7400/7401/...
0
votes
1answer
91 views

Front derailleur twist shifter replacement - from small to big ring in one click

Replaced front OEM Grip Shift SH-F3 barrel shifter with Twist Grip M25-7 shifter on Vintage consumer-type bike w Shimano GS100 and 3 chainrings (x7 cassette). Mounting went fine, cable run is clean ...

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