Questions about shifting between gears or the shifters themselves.

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1
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1answer
25 views

How should an unattached SunRace R90 bar end shifter behave?

A few months ago I bought a SunRace R90 9 speed bar end shifter off eBay because it was ridiculously cheap and left it in a drawer. My 8 speed Ultegra bar end has just died and I'm considering buying ...
0
votes
3answers
7k views

Can I change my 7-speed rear derailleur to an 8-speed?

I bought a 2013 Cannondale Quick 6 Hybrid for my daily commute almost exactly a year ago, and I'm looking to give it some upgrades. It currently has a 7-speed Shimano Altus derailleur, and I was ...
0
votes
1answer
451 views

Mongoose Right Bike Gears shifting up magically

On the right, or back gears of my mongoose bicycle, the gears are not clicking as they should on the right side. Its stuck in 6th or 7th gear and it has a grip-shift that works fine on the left side. ...
1
vote
1answer
33 views

Servicing/fixing an Ultegra bar end shifter

After almost 15 years of flawless service my 8 speed Ultegra bar end shifter has suddenly stopped working. With the wire detached from the derailleur so there's no tension in it the lever now only ...
3
votes
1answer
54 views

Can old, stiff friction shifters be made serviceable?

I've got a few friction shifters knocking around but all seem so rough as to be impossible to use on a bike. Are they meant to be like that or can a service be done on them to get good use out of them?...
1
vote
1answer
52 views

Loose pivot bushing inside the brake/shifter hood

I noticed a slight clicking noise and a resistance when squeezing the right (from the bicyclist's point of view) brake. Inside the hood, I can see a white rubber thingy (pivot bushing, thanks mikes) ...
1
vote
1answer
40 views

What are rotary gears? Sturmey Archer 3 Speed

I am confused by the three three-speed hubs that Sturmey Archer offers that are supposedly the same thing (3 speed hubs with a 177% range). I can gather that the S-RF3 is simply an Aluminum version of ...
11
votes
7answers
4k views

STI shifter sometimes doesn't catch in cooler weather

I've got a road bike with brake lever shifters, and it's developed a small problem with age: sometimes, the shifter doesn't catch the first time or two I push it. It'll move easily, with no resistance,...
7
votes
4answers
18k views

How to repair sticky Ultegra shifter

I have Ultegra 3x9 shifters and derailleurs that were installed just a couple months ago. I purchased them on eBay and although they were new, they had been sitting in inventory for a couple years so ...
3
votes
2answers
75 views

Does Shimano XTR RD-M9000 SGS 11-Speed Shadow+ MTB Rear Derailleur Long Cage work with 10speed XT shifter?

I just bought a used bike with a broken 10 speed XT rear derailleur. Would a NEW Shimano XTR RD-M9000 SGS 11-Speed Shadow+ MTB Rear Derailleur Long Cage ( 182006158222 ) be compatible with 10 speed XT ...
0
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0answers
14 views

Road bike/3x7 shimano - Upper gears shift fine, Gear 1x7 unreachable [duplicate]

Getting it to shift down into gear 1 on the crank arm gearset is almost impossible unless I manually derail the chain with my foot on the fly while rapidly trying to prepare for a steep hill, etc. ...
3
votes
2answers
83 views

Shifter cable broke down: misuse, lack of maintenance, shifter or regular occurrence?

My rear shifter cable just snapped yesterday. It broke down without any real warnings that I can recall. It neatly broke right at the head, that remained inside the shifter (a Shimano one). If I ...
1
vote
1answer
40 views

Shifter only uses first 4 gears

I've got a Shimano trigger shifter on an 8 speed derailleur. It only allows me to use 4 of my 8 gears. I can adjust the derailleur so that it is the top 4 or the bottom 4, but the shifter just won't ...
4
votes
3answers
1k views

Electra Shifter (Revoshift) is hard to turn

My wife has a hard time turning the Revoshift grip on her Electra Townie 7D due to arthritis issues in her hands. Is there a way to help with this issue?
1
vote
2answers
328 views

Road Front Derailleur / Shifter Tuning

I've recently converted into 2spd crankset so I've bought a new 2spd road lever. I'm really struggling now to tune the front derailleur. Could you please assist me by answering this questions: Why ...
1
vote
1answer
164 views

Adjusting Shimano STI Brakes

I just bought my first bike with Shimano STI Shift/Brake Levers. So far, I really like the feel. I cannot, however, figure out how to tighten the brake cables. I can find the barrels for tightening ...
1
vote
2answers
54 views

Can a double rear derailleur work?

I was wondering instead of a long cage rear dearailleur (RD), what would happen if 2 rear short cage RDs were used instead? I realize the 2nd one might cause some mounting issues but assuming there ...
4
votes
1answer
84 views

My santa cruz heckler ghost shifts from frame flex. Is there anything I can do?

I just bought a 2013 heckler used and found that it ghost shifts under heavy pedaling. I weight 230 so I am probably putting more pressure than average. But this only happens when I have smallest cog ...
1
vote
1answer
75 views

Are Shimano Claris brifters compatible with 90's Shimano 600 parts?

Is Claris backwards compatible with older shimano 600-tricolor? Can i just switch ill working parts with Claris since they are both 8 speed groups?
0
votes
0answers
30 views

Shimano Deore shifters not returning to neutral position [duplicate]

Today I was adjusting the angle of brake levers and shifters and I messed up something. Gear shifting is working properly/smoothly (up and down, both on chain ring and cassette) it is just that thumb ...
1
vote
2answers
75 views

Downshifting problems

My wife has a bicycle like this. It is only a few months old and it gets light use on weekends on (smooth) some dirt roads. Recently it sometimes fails to downshift at the rear (i.e. shift to the ...
1
vote
0answers
44 views

RevoShift doesn't move cable between 6 and 7

I have a Shimano RevoShift 7 speed (indexed), that has trouble shifting between 6 and 7th gear. I disconnected the cable for a test, and I see that for the other gears, each click moves the cable ...
4
votes
2answers
57 views

Shifter with stuck barrel adjuster

I've been looking for a solution on this but couldn't find anything online. I have an Alfine 8 speed internal gear hub and it started skipping recently. I tried to use the barrel adjuster on the ...
3
votes
3answers
120 views

9 speed Shimano shifter with 7 speed drivetrain

Can I use a 9 speed shifter with a 7 speed drivetrain, with good shifting and without needing complex adaptations? I am considering that as an alternative for this need: Using only the brake lever, ...
1
vote
0answers
528 views

Shimano STX rear shifter, broken spring

I have to repair a Shimano STX shifter 7 speed (from a Raleigh MT200 bike from 1995). It has a broken spring, and I am almost sure that is the only thing to be repaired. It is similar to that ...
4
votes
2answers
188 views

Using only the brake lever, separated from an integrated shifter/brake

I have an old Shimano STX integrated shifter/brake. The shifter part is broken. Can I separate the shifter part, with reasonable effort, so I use only the brake and get a new shifter? From what I ...
4
votes
1answer
192 views

Suitable Shimano integrated shifter/brake replacement for old STX

I am looking for a replacement of an old Shimano STX right shifter, from a Raleigh MT-200 (I am pretty sure this is accurate). It is an integrated shifter, 7 gears, cantilever brakes. Other than ...
3
votes
3answers
199 views

When down-shifting my rear derailleur (Campagnolo 10spd) is skipping multiple gears.

The problem feels like it is in the shifter as it just "lets go" when I press it. I'm told it could be the G spring. Is it something in the derailleur or the shifter? If its the shifter is replacing ...
2
votes
2answers
461 views

Shimano sora shifter no longer shifts

On my commute yesterday, I noticed that my right shifter was no longer 'clicking' when shifting my rear derailleur up into a larger sprocket. It still shifted fine, but I noted that I should look into ...
1
vote
0answers
73 views

Campagnolo Cambio Corsa

Does anyone make this sort of system and sell it today, or is my only option looking for someone selling theirs? I've googled whether similar systems are being made today but found nothing to my ...
5
votes
2answers
1k views

(Automatic Bike Project) amount of torque required to change gears?

I am planning to build an electronically controlled automatic bike transmission for my senior design project. I'm personally more of an electrical guy, so dealing with the mechanics is somewhat new to ...
3
votes
2answers
14k views

Disassembling Shimano integrated gear shifters (brifters)

The up-shift lever (the long one) on my gear shifter for the front derailleur got stuck and now I'm looking for a way to disassemble it. Is there a way to do it without removing it from the ...
0
votes
2answers
356 views

Road shifter to Mountain Bike derailleur compatibility (Example: SRAM x7)

I am wondering what's involved in switching out Mountain Bike (MTB) shifters to integrated road shifters while keeping the rest of the MTB drivetrain (derailleurs, cassette, etc.) unmodified. Note ...
1
vote
2answers
61 views

Searching model number of Shimano shifting lever

On my daughters bike, the cover of the revo shifting lever is broken. The specifications of the bike say the shifting lever is SL-RS35, but when I look at images in the net, these look completely ...
0
votes
2answers
509 views

Shimano Gears won't shift

Basically when pushing the button to shift gear I can only get one speed up and one speed down. I tried adjusting derailer and the tightness on cables but it makes no difference. Figured I'd make a ...
5
votes
3answers
240 views

Bullhorn bar + STI brake/shifter

I'd like to install a bullhorn handlebar on my existing hybrid bike and would prefer to continue using my flatbar Shimano STI R42O gear/brake lever system rather than a bar end brake/shifter solution. ...
17
votes
6answers
37k views

How do I efficiently shift gears on a road bike with downtube shifters?

I have bought a vintage Campagnolo road bike, so the shifters are on the down tube. I own a mountain bike and i am used to changing gears on that one, but don't know the proper technique to change on ...
4
votes
1answer
55 views

SRAM 2x10 shifter-derailleur combination

I am looking to upgrade parts on my Rocky Mountain Metropolis bicycle and want to go to SRAM products. Since I ride my bike everyday, I want the best SRAM parts. Looking at the Red line. That being ...
1
vote
1answer
100 views

24 gear SRAM shifters- PROBLEM

So recently i bought a carrera vengeance for £45 which is a bargain and the only problem was the gears(24 gear SRAM shifters) for the left side. When i got it i tried to shift but it just clicks and ...
2
votes
4answers
135 views

Ease of servicing brifters

How easy are "brifters" (e.g. Shimano Total Integration or Campagnolo ErgoPower) to maintain and adjust as a hobby cyclist at home?-- Although quite a lot of road bikes have them (including even light ...
3
votes
2answers
133 views

Effectiveness of disc brakes with brifters

How well do mechanical (non-hydraulic) disc brakes generally function when used with brifters?-- This combination seems to be increasingly common among e.g. adventure bikes such as the Salsa Vaya, ...
1
vote
1answer
84 views

[MTB ]How much can my bike endure? [closed]

I recently bought a (Mountainbike) Bergamont Revox 3.0 and I'm concerned that I'm not taking proper care of it. I want to know if I can, for example, ride down a flight of stairs or switch the gears ...
5
votes
3answers
780 views

rear shifter lever gets stuck when shifting gears

All the shifting was working smoothly until my bike fell off to the ground (edit1: to my right side hitting the right side of the bike) with me couple days back. Now after about a week when I took my ...
2
votes
1answer
210 views

Any good 18 speed gear shifters for drop handlebars?

I have an Apollo Envoy hybrid bicycle. I'm planning on converting it to a road bicycle. I will buy a stem adaptor, stem, and new dropped handlebars. The thing that really confuses me is the gear ...
1
vote
2answers
372 views

Rear derailleur shifts all gears at once

I've got Campagnolo Veloce gear system and I recently changed my worn-out rear cassette to a new one. Since then I've experienced issues when shifting to higher gears. When I shift, the cable moves ...
4
votes
3answers
198 views

5-speed shifter?

I bought a mountain bike for my daughter at a yard sale recently. It's not a high-end bike (a Huffy, but probably the walmart or academy sports variety), but it was very cheap (under $20) and ...
1
vote
2answers
1k views

Slipping shift cable barrel adjusters

Currently, I have Shimano Tiagra 4600 series brifters on my bike, and the barrel adjuster on the front derailleur cable slips when the shifter/derailleur is in the smallest chainring position, when ...
3
votes
1answer
511 views

My left STI shifter has 5 positions for a double crankset?

I'm in the process of installing my Shimano Tiagra left shifter for the front derailleur on my double crank and I'm a bit confused, the indicator shows it has 5 positions for a crank with only 2 ...
3
votes
1answer
92 views

Shimano Sora 3500 (3x9) and Alivio front derailleur

Please help rebuild my bike :) I have Scott Sub 30 2011 http://www.evanscycles.com/products/scott/sub-30-2011-hybrid-bike-ec025449 and right now I would like to change shifters to Shimano Sora 3500 (...
0
votes
2answers
3k views

Is it possible/worth it to replace just shifters and derailleurs on an older MTB?

I have an aluminum frame bicycle (mountain bike, 21-speed) that I purchased some time in the late 90s, it's marked "Skykomish Eureka" (though I can't find any evidence that such a brand and model ever ...