Questions tagged [shifter]

Questions about shifting between gears or the shifters themselves.

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1answer
65 views

105 R7000 rear shifter malfunction

Disclarimer: sorry for the wall of text and for my English: I tried to describe the problem as best as I could and English is not my native language. Hello. I have a following problem with my Shimano ...
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2answers
41 views

How do I figure out what the model number is of my Shimano rear derailleur?

Here are pictures of my current derailleur I need to replace.
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1answer
38 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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1answer
40 views

Replace Vintage Shimano Trigger Shifter

I have a Cannondale M600 Red White & Blue. My 7 speed Shimano integrated trigger shifter will no longer function. I cannot tell the model I cannot fix it nor find an identical replacement what ...
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3answers
112 views

Why can't my rear shifter shift into low gears?

I have an entry-level Trek mountain bike bought several years ago, with a Shimano derailleur. It's been hanging in my garage for the last few years, taken down only a few times for rides. I just did a ...
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40 views

Possible drivetrain problem?

I recently bought a bike and upon riding it and coasting for a relatively short time I heard a noise that sounded like the chain sort of clicking louder than the freewheel, then eventually the chain ...
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1answer
51 views

Identify control on left-side of Sun Recumbent Trike model EZ3 handlebar

I own the Trike model listed above, I bought this Trike about 10 years ago, and I'm starting riding again but since the manuals are not very users friendly, I need to know the purpose of the 3 ...
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1answer
42 views

Threaded bleed port - 105 7020 shifter

In attempting to bleed my Shimano 105 hydraulic disc brakes, I seem to have threaded the bleed port so the screw no longer tightens. Screw is fine in the other shifter, and same issue when using screw ...
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2answers
59 views

Shimano Nexus with shift levers

Shimano Nexus usually comes with a twist shifts. Is it possible to also use shift levers with Nexus? Which ones? More concretely, Shimano Nexus C6000 Revoshift (8s) (hub) and Shimano Alfine 7000 (8s) ...
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0answers
59 views

Tiagra levers moving loose

Lately I have noticed that, whenever I use the bar-end lever to shift the gears up (both front and rear) for the first couple of actions the lever feels loose: it moves to the end of its range without ...
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3answers
112 views

Have old bar end shifters which don't seem to fit in the new handlebars

I retrieved the Shimano bar end shifters from some old handlebars and now I want to fit the shifters to new bars. However strangely I can't fit the shifters in the new bars. See the following photo: ...
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1answer
54 views

Rear cassette shifting

I replaced my free hub body due to pedal slippage. I also replaced rear cassette and chain for regular maintenance. Since then the problem started and I replaced shifter and cables as well as rear ...
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1answer
95 views

How should I mount a downtube shifter clamp that lacks a locating hole?

Usually, the band on downtube shifters has a hole that fits over a dimple on the tube, like this: The band on this pair of downtube shifters lacks this hole: I can't put them over the dimple; it ...
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1answer
101 views

Shimano GRX groupset with mechanical brakes for CX/Gravel

I'm going to upgrade my cyclocross bike with new 1x11 dedicated components. Currently bike has old 105 5700 groupset and cantilever brakes. Those mechanical brakes are the main problem - I don't want ...
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1answer
73 views

Are rear derailleur cable intervals equal?

On one occasion in the past I paid attention to get the rear derailleur to be "just right". On eight gears on an MTB, I would get gears 1-2-3 and 5-6-7-8 to be perfect (minus the chain rub on one end ...
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1answer
65 views

How to get the fixed part of a bar-end shifter out of the handlebar when it is stuck?

I have a Shimano bar-end shifter where the fixed part is stuck in the handlebar. How can I get this part out in a way that I can reuse it in new handlebars? Note: I know that I have to loosen the ...
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2answers
131 views

Can I use a 1x10 wide range cassette with Shimano SL-BS79 bar end shifters?

I'm putting together a drop bar hybrid conversion for a gravel bike and want to run a 1x10 drivetrain. So far the only shifting component I have is a pair of Shimano Dura-Ace sl-bs79 10 speed bar end ...
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1answer
34 views

Can I use a Sora rear derailleur with my 7 speed shifter?

Since the only problems cames from my Tourney rear derailleur. I want to change it to a Shimano Sora derailleur, but, I don't want to change the shifter, I'm ok with 7. Would a Sora rear derailleur ...
3
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1answer
249 views

Broken shifter cable in Shimano Ultegra 6600 10-speed shifter

I broke my rear derailleur cable right at the shifter. These are Shimano Ultegra STI shifters from a 2008 Giant TCR C2 (I think they're Shimano 6600). I'm assuming that the cable head and frayed wire ...
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0answers
47 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 ...
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1answer
41 views

New bike rear derailleur not working correctly

I got this new bike over a week ago, and I was trying to fix the bike's derailing system and I can't seem to get it fixed. I tried watching a ton of videos online on how to adjust your derailleurs ...
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2answers
51 views

Fitting component group set to bike

I received a Trek One Series 1.2 Alpha 100 and want to replace its components completely. I am trying to make sure I order the correct parts and sizes. How and what do I look for when buying new parts ...
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0answers
71 views

Front dérailleur does not shift into largest chainring

I have a Shimano ST-EF60-8R shifter with a Shimano FD3303 front derailleur - it does not go into 3rd gear which is the largest; it feels like the wire is going to pop. I just bought the bike, a Trek ...
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0answers
45 views

Can't find a “friction screw” for a friction shifting system

I recently broke one of the two speed levers ajuster (friction screw) that adjust the pressure between the levers and the cable. It's made in plastic as shown in the picture below. I would like to ...
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2answers
47 views

Shimano shifter not working

I’ve got a Shimano Sora shifter and it’s stoped shifting all together on the rear mech recently. I thought it was the cables so I changed it today and still no joy. I’ve also cleaned it out with WD40 ...
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1answer
61 views

Gear shift rubber cover liquified, post cure possible?

I recently got my bike out of storage and the rubber cover on the right gear shifter is liquified. The rubber is basically a sticky oily paste now. It's just the right gear shifter cover, even the ...
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2answers
160 views

Shifters now that they are unavailable what can I use?

Hey all thanks in advance for help on this matter.  I have a Diamondback mountain bike that uses shifter set Shimano ST-EF51-8R and ST-EF51-L 3x8 disk brake. Son broke them on a jump, apparently ...
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1answer
59 views

Flat bar conversion - shifter is skipping a gear

I am in the middle of converting my bike with road handlebar to a flat bar. The old road bar has a Shimano 105 brake/shifter and 105 derailleur. Something like this: https://www.mec.ca/en/product/5055-...
2
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1answer
99 views

Replacing rapid-fire shifters with 105 integrated shifters

I have a Fuji Absolute 2.0LE with straight handlebars, mini-v brakes, rapid-fire shifters, 3 chainrings, 9-speed Tiagra derailleur. I found a set of drop bars with Shimano 105 integrated brakes and ...
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1answer
40 views

Shimano Altus 9x3 speed shifter leaver is soft

I’m having trouble with my rear shifter lever. When I go to push the lever in to go through the gears it’s just soft and doesn’t go back to its original position. Any ideas what’s this could be and ...
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2answers
97 views

Shimano Sora 3400 shifters with Shimano Alivio M430 rear derailleur?

I'm thinking about a touring built with just spare parts I have. I have a rear Alivio M430 9 speed derailleur and Alivio 9 speed 11-34t cassette already. I want to have drops and Sora 3400 is the ...
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1answer
43 views

Trek 750 multitrack chainnsize and length? [duplicate]

It has 3 gears in the front and 7 gears in the rear. And the derailers are suntour XC-Master.
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0answers
77 views

Jammed pawl on 8-speed shimano shifter

I'm doing up a bike that seems to have been sitting in a shed for the last 25 years. It has a Shimano 105SC groupset (93-99) with 8-speed st-1055 STI shifters. As seems to be the norm for these ...
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0answers
84 views

Shimano 105 5800 rear shifter: intermittent downshift jam, clears when held upside down

First post here. I can't seem to figure out a strange problem with my right-hand Shimano 105 5800 shifter, which is only 15 months and a few thousand miles old. Initial symptoms on the bike: ...
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1answer
42 views

First shift up after shifting down only moves as I'm releasing the lever not on both the click in and click out of the lever like the consecutive ones

Video of Issue: https://imgur.com/nY8s4Z0 I have just been given my dad's old bike and was looking at fixing it up. However, it has a shifting problem where it shifts down the gears perfectly fine ...
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1answer
62 views

Changing SRAM Apex brifters to flat bar - which is it possible to get hydraulic brake levers and trigger shifters to match?

I've got a Tempest gravel bike from Planet X that came with drops and the Apex HRD groups. It works well but the whole drop handle bar positioning is a very literal pain -- I ended up with crucifying ...
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1answer
30 views

Shifter isn't working, cable doesn't react

When I pull the shifter for my front dérailleur the cable doesn't react. Even with tension on the cable. Now I made the cable loose. Also my barrel adjuster is disconnected, maybe the problem is ...
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2answers
73 views

Front derailleur not shifting up

I have a road bike with shimano front derailleur and dropped shifter. For weeks my front derailleur has been very stiff, requiring much force on the shifter to go onto the bigger ring, so the other ...
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5answers
1k views

I can't shift to the largest chainring

Please help. The derailleur seems to be fine, I'm suspecting the handle. I can't shift to the largest chainring at the front, it drops back to the second largest ring as soon as I release the shifter. ...
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1answer
93 views

Reason for different hex screw sizes

Recently I've installed a front derailleur and while doing it used nearly all hex screwdrivers from my multitool. For example, on the left hand of the handlebars I have a brake, a shifter and a fork ...
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3answers
524 views

Shimano 11 speed component combinations

I want to upgrade my bike to a 1x system using a Shimano GRX-crank upfront. I however have a flatbar and can thus only fit flatbar shifters. What is the lesser evil? 11-Speed XT derailleur with XT ...
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1answer
45 views

Which STI name plate is this?

The spec sheet on my bike says I have Dura-Ace 9000 components. I want to buy a replacement name plate. The one on the left is genuine Shimano Y63X98020 and the one on the right is what I'm trying ...
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0answers
37 views

Gear lever fouls on bracket mounting the assembly to the handlebar

The lower derailleur gear lever on the right side of the handlebar fouls on the mounting bracket securing the whole gear/brake cable assembly to the handlebar. At present, I cannot change gear with ...
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1answer
179 views

Will any 10 speed cassette work with a 10 speed shifter?

I have a 10 speed shifter Shimano Deore SL-M610. I replaced the cassette from Shimano CS-HG50, 11-36 to XT M771 10, 11-36 about a yer ago. I'm currently experiencing some issues with the chain ...
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1answer
211 views

Pinion C1.12 with drop bars?

In your opinion, what's the best way to install drop bars on a bike with a Pinion gearbox, in particular the C1.12. Some of the options I'm aware of: shifter on bar end split bars with shifter next ...
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1answer
288 views

Mixing 11 speed shifter with 10 speed front derailleur (Shimano)

On my Specialized Rockhopper hardtail I run a Shimano 3x10 drivetrain. The derailleurs are both XT with the front mech being model number FD-M781. For an excellent price, I can get a new take off XT ...
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2answers
429 views

How to replace downtube shifters with stem shifters?

My bicycle has clamped downtube shifters that I would like to replace with stem shifters. Is it as straightforward as replacing the downtube shifters with cable stops, then running cable to the stem ...
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1answer
144 views

Dura Ace 7800/7900 vs 9000

I have Dura Ace 9000 mechanical shifters and I'd love to have hoods that aren't black. The only product I've found are Hudz but they only fit 7800 and 7900. Obviously there was enough of a change ...
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3answers
169 views

Upgrading Shimano Tiagra shifters

I have a 2014 Opus with Shimano Tiagra 10 speed. I have seen Tiagra shifters which don't have this annoying cabling coming out of the shifter and instead, they are together with the brake cables which ...
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1answer
97 views

Shimano ST-EF51 (3x7) Shifter Compatible With Shimano 200GS (2x7) Groupset?

I have an old Montague Paratrooper Bi-Frame with a 2x7 Shimano 200GS and the shifters and brakes need replacing. Will the Shimano ST-EF51 3x7 work with the 200GS groupset? Cheers,

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