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Questions tagged [shifter]

Questions about shifting between gears or the shifters themselves.

6
votes
2answers
10k views

Can I convert flat bar to drop bars on a hybrid bike

I'm fairly certain that the bars should change out quite easily; I'm more concerned about the shifters and brakes. Currently I have a hybrid 18 speed with cable disc brakes and Shimano Deore XT ...
3
votes
0answers
4k 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 ...
12
votes
7answers
9k 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,...
6
votes
1answer
7k views

Replace Ultegra 6600 STI lever

I need to replace my Ultegra 6600 right hand shifter as the ratcheting system is gone. The rest of the groupset is all the same 6600 series. I am having a hard time sourcing just a right hand side ...
7
votes
3answers
20k views

Can you use a 8 speed Shimano shifter with a 7 speed cassette?

I want to use an 8-speed shifter with a 7-speed cassette. I saw this question, but I am unsure if this would work, since I believe the spacing is the same between a 7- and 8-speed, but the length is ...
4
votes
2answers
33k 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 ...
14
votes
6answers
39k views

Bike is shifting on its own

Ever since I got my bike (Surly Long Haul Trucker), it has been prone to shifting on its own. This is almost guaranteed to happen when I stand up on the pedals, and happens regularly when sitting as ...
6
votes
2answers
15k views

Front Friction Shifter Problem

I have friction shifters and for some reason the front one gives me a bit of trouble. It tends to return to its most untensioned state. So say I want to shift to a higher gear, it will try to drop me ...
5
votes
2answers
2k 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 ...
4
votes
3answers
8k 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 ...
4
votes
2answers
15k views

Replacing grip shift shifters on department store bike with thumb friction shifters?

I have a department store bike with a twist grip shifter (3 chain rings, friction shift and 6 sprockets, index shift - Torque Drive One derailleur) and I want to replace it. I am not able to get ...
3
votes
2answers
12k 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 ...
3
votes
1answer
2k 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 ...
2
votes
2answers
2k 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 ...
2
votes
1answer
3k views

Twist shifter cannot shift down – what might be the cause?

My son's bike is stuck on 7. When we try to shift down to 1, there are no clicks. It just shoots right back to 7. This is a dial/twist/grip shifter, not a trigger shifter. I do not think it has ...
2
votes
1answer
4k views

Replaced Shimano Bottom Bracket, now front derailleur won't shift to largest gear

OK, so in my quest to get my old Trek 7000 ZX MTB running again after a long retirement, I am having an issue with replacing the bottom bracket. The bike came with a Shimano LP25 that is marked BC 1....
1
vote
1answer
1k views

Drop bar to flat bar conversion

Gearing 14-Speed Shimano A070 STI Crankset Prowheel Ounce 42/52T Double Chainring Alloy Crankset Shifters Shimano A070 STI Front Derailleur Shimano Claris Rear ...
23
votes
7answers
68k 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 ...
5
votes
3answers
18k views

Can I use a 9-speed shifter with a 8-speed cassette?

I'm looking into replacing shifters on my MTB. Currently I have 8-speed Shimano Alivio shifters - will 9-speed Deore or SLX shifters work? I do not care if one of the shifter's position will be ...
5
votes
3answers
12k views

How to reassemble a Shimano Alivio Shifter

I need a diagram on how to reassemble a Shimano Alivio Shifter. I just can't seem to get it right. I even disassembled the other shifter to see how it all fits together and now I can't get it ...
4
votes
3answers
2k 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?
3
votes
3answers
12k views

Front derailleur doesn't seem to be moving

I'm trying to troubleshoot my 24 speed hybrid bike. As it was, the front shifter was having very little effect. I would change gears and not much would happen. When I had a chance to look at it, I ...
3
votes
1answer
849 views

Can I use Shimano trigger shifter with my X3 SRam gears?

My bike has SRam X3 gears and a grip shifter. I'd like to change for a trigger shifter. In the bike shop where I bought it, they say that I can change for a Shimano shifter (they don't have SRam). I'...
3
votes
2answers
16k views

Can't shift front gear, despite loosening, tightening, etc. What could be wrong?

Disclaimer: I'm clueless and am piecing together what little information I know from reading this site and from watching YouTube 'intro to repair' videos. I've been gifted a used mountain bike, my ...
2
votes
1answer
2k views

Installing Alfine shifter with nexus 8 hub

My nexus shifter needs replacing and I don't like the twisting type of shifters so I wanted to use a trigger one with my nexus hub. Can I use the Alfine SL-S503 with a nexus 8 internal hub? I think ...
2
votes
2answers
1k views

Shifters/brakes won't fit on bullhorn bars

I have a KALLOY UNO HB-005 580 mm handlebar and a shifter with brake combination, Shimano Alivio ST-M310. I have a Sora derailleur and crank set. I got as a gift a bullhorn Origin8 Bully Bullhorn 6061-...
17
votes
10answers
5k views

How do experienced cyclists know which gear they are in without an optical display?

Most mid to high level mountain groupsets (eg SLX and X7) have shifter options without any display as to what gear is currently active. How do riders avoid cross-chaining and other unpleasantnesses, ...
7
votes
1answer
2k views

Shifters and internal gears

I have an Airnimal Joey with 8 (internal, Shimano Inter 8) rear gears. I wanted to install drops handlebars and the shifters. I got the Shimano Sora ST-3300-8 Right / Rear 8 Speed Shifter, which I ...
4
votes
1answer
9k views

Upgrade Shimano Sora shifters to 105

I want to upgrade my 3x9 Sora shifters to 3x10 105s. However, looking at the Shimano Compatibility Chart, it appears to indicate that I'll have to replace my front and rear derailleurs in addition to ...
4
votes
1answer
3k views

How can I adjust index shifter so it doesn't skip the second chainring?

I recently replaced my chain and cassette on my commuter bike. It was a first time operation for me, as I am a new to doing bike maintenance. That part seems to have gone fine. While I was at it, I ...
4
votes
3answers
446 views

combining friction shifting with indexed components

I would like to combine friction shifting and a 7 speed freewheel with current Campy Chorus derailleurs. It seems to me that the way that friction shifting works would allow this combination, since ...
4
votes
3answers
3k views

How do I tune up the shifters/derailleurs on my mountain bike?

I have a Diamondback mountain bike with Shimano shifters that I bought used last summer, and over time the shifting has gone out of whack. For example, on the front wheel I can't shift into the ...
4
votes
2answers
2k 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 ...
3
votes
1answer
1k views

How do I use the trim function correctly on Shimano shifters

I have Shimano SL-4700 Tiagra (flat handle) Double shifters. However the front shifter has 4 positions in this order: High High trimmed Low trimmed Low As can be seen in the image below. ...
3
votes
1answer
6k views

9 Speed Road STI + MTB Derailleur

Apologies if this is is obvious or has been answered before. I'm looking at setting up a touring bike, using road STI levers (Shimano or equivalent, looking at Tiagra 3x9 or possibly the Microshift ...
2
votes
3answers
6k views

Shifter cable running beneath the bottom bracket without a sheath

I am trying to solve the neverending issue of my derailleur shifting on its own by replacing the shifter's cable and its sheath to see if it not sliding properly could be the cause of the issue. ...
2
votes
3answers
3k views

How to thread gear cables through outers and end caps?

I'm currently putting a bike together with recycled parts and want to get away with not having to purchase a new gear wire. On my first attempt to thread the RD wire I ended up fraying it, cutting off ...
2
votes
1answer
1k views

Sora STI Shifters with Deore

I'm building a touring bike and was interesting in using STI shifters, just wondering if this setup will work. Shimano Sora 3500 STI Triple 3x9 Speed Road Lever Set with Shimano Deore M590 Top Swing ...
1
vote
3answers
16k views

Front Derailleur Not Working

I recently bought a new bike off of BikesDirect. http://www.bikesdirect.com/products/windsor/wellington2_IX.htm However, no matter what I do, I can't seem to get the front derailleur to do anything. ...
1
vote
2answers
2k 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 ...
1
vote
1answer
84 views

Overhauling 1998 Campagnolo Chorus Ergolevers

I'm about to dismantle a 1998 Campag Chorus Ergolever, as I suspect that the G springs need to be changed. I then hope to reassemble them having replaced worn parts. I'm looking for any useful ...
0
votes
1answer
1k views

Campagnolo Ergopower inaccurate shifting on high and low cogs

I replaced the G-Spring and G-Spring carrier on my 9 speed Chorus Ergopower. Now it is shifting better and the clicks are sharper, but I can't adjust the derailleur to shift good on all gears good. ...
0
votes
1answer
4k views

SRAM double tap road shifters, MTB derailleurs?

Can I run SRAM double tap road shifters with MTB (X5, X7) derailleurs and cassette/chainrings? I want to get lower bottom gears than achieved with a 50-34 chainset and 34-11 cassette