Questions about shifting between gears or the shifters themselves.

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1answer
96 views

why do left shifters switch chainrings and right shifters cogs?

Can that be changed? Is it just convention? Is there any commercial bike that comes with a left-shifter that switches cogs?
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3answers
105 views

Shimano 105 brifters - rear shift jumps multiple gears

I have a Specialize Roubaix that's about 10 years old with the Shimano 105 component set. I've started to develop a problem in the rear derailer where when I shift to a higher gear/smaller cog, the ...
0
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1answer
114 views

Are new Shimano shifters compatible with old 600 Arabesque derailleurs?

Does anyone know if I can use new gear shifters, especially integrated road bike shifters, with vintage a Shimano 600 Arabesque rear derailleur? Will the pull ratio of the shifter and derailleur ...
0
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2answers
287 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
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1answer
38 views

If I use an 8 speed bar end shifter with the TT bar on my Allez, will I need to change any other parts of the drive chain?

My current bicycle is a 2013 Specialized Allez C2. It has an 8 speed rear cassette. I'd like to put in a TT handlebar. It's a given that I'll have to change the brake levers, as well as the shifters ...
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2answers
158 views

Fixing broken STI shifters - plastic gear cable surround

As pictured, after knocking over the bike I've broken one of the plastic surrounds where the gear cable enters the front derailleur shifter. Shifting between the lower two chainrings still works, but ...
6
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1answer
99 views

Front derailleur rubbing against chainring

I'm trying to fix up my old (1999) Trek 4500, and I've run into a snag while adjusting the front derailleur. It's a Shimano FD-CT92 (bottom bracket mounted E-type), and it's rubbing against the ...
2
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1answer
111 views

Replacement Brifters for a shimano 105 2x10

I have a 2009 Specialized Allez Sport C2. It came with shimano 105 components all around. the left hand (front) shifter recently broke, and will no longer hold a position. I can reach down and ...
1
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1answer
151 views

Shimano Acera Shifters - How to remove gear cable

I need to change the front derailleur gear cable on my bike. I've removed the cable from the derailleur itself, and now need to detach it from the shifter on the handlebars. On my previous bike, ...
2
votes
1answer
87 views

Trigger Shift equivalent to SRAM MRX 21 speed on Btwin Rockrider 5.0

I've a Btwin Rockrider 5.0 which comes with SRAM MRX Twist Shifters (21 spd 3x7). But lately they have been giving me problems in shifting, I've had bad experience with twist shifters earlier also( ...
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0answers
119 views

sram grip shifter to be fox CTD shock remote lever

the FOX shock CTD remote is a nice shock, but the remote is bulky, even the new 2014 version, still uneasy to change between CTD. I come across this article ...
2
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2answers
566 views

Where to buy 2005 Shimano 105/Ultegra brifter hoods?

I have a 2005 Trek 1500 WSD road bike with original Shimano 105 STI brake/shifter levers. I'm looking for replacement hoods for the brifters because the originals are wearing out. I believe the ...
1
vote
1answer
74 views

Chain brushes derailleur

I just got my ever first road bike, Revenio 3.0. I'm so excited. Already got my ever first road bike injury as well - those damn cleats are hard to unclip, springs on those shiny new pedals are too ...
3
votes
2answers
323 views

Are Claris(ST-2400) shifters drop-in replacements for St-2300s?

I've got 2300s on my bike. I don't much like the little thumb levers. I'd like to upgrade to Claris shifters, but I need to minimise the costs. Can I just change the shifters? They're both 8 speed ...
2
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1answer
79 views

Replacing a shifter

One of my plastic shifters broke and I am looking for a replacement on the internet. How do I know whether a replacement will fit my handlebar. Are all handlebars the same size?
1
vote
1answer
50 views

Which Mountain Style Shifter for Early 90's Shimano 105?

Converting early '90's Trek 1400 from traditional road bars to a flat/straight mtn bar. Converted V-brakes over to use Deore brake levers. Works well. Need to get the shifters up to the bars, ...
8
votes
5answers
710 views

Pedaling not connecting right away

I ride a rather usual Merida hard-tail mountain bike. Recently I've come to notice that when I start pedaling (bike already in motion), it can take up to as much as quarter of a turn for the pedals to ...
2
votes
1answer
88 views

Difference in brakes and switcher cables?

I want to change all the cables in my bike. My knowledge in bikes is limited. As i found there are cables for the brakes and cables for the shifters. My question is: are those cables all the same? ...
0
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1answer
73 views

The shifters and brakes are one piece

I found this old junkie bike and I want to use it. I don't have very much experience with bikes, and I noticed that that the speed shifters and the brake handles are one piece together. Is that ...
1
vote
1answer
313 views

9 speed cassette and 7 speed shifter

So I bought a new (used) wheel set for my mountain bike and it came with a 9-speed cassette. I currently have 3x7 rapid shifters, which presents an incompatibility. I'm wondering how to fix this ...
1
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0answers
112 views

Shift lever and boss (mount point) compatibility matrix

I've looked online, but haven't found one. Is there any sort of "matrix" available that puts shift lever boss type on one axis and shift lever on the other, and remarks on each pair's compatibility? ...
0
votes
1answer
245 views

Partially disassembling Sticky Shimano STI shifter for service

There are a few questions floating around regarding sticky STI shifters and the standard procedure seems to be to flush with a load of WD-40 and relube with aerosol grease or similar. My set is ...
0
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1answer
192 views

Replaced faulty Shimano twist shifter but front derailleur still won't catch 3rd

I have one of the ubiquitous Wal-Mart-sourced Chinese Kent bikes, badged as a "GMC Denali." It came with the Shimano RS41 3x7 twist shifters. The front shifter got to where it would not physically ...
0
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1answer
2k views

RevoShift Friction: shifting to the largest gear takes a lot of force?

My wife's bicycle has Shimano Revoshift shifters, and while the right (rear) one works fine, the left (front, Friction) has been problematic for a while. Originally, when we bought the bicycle, the ...
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0answers
329 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 ...
5
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2answers
3k views

What is a shimano ispec shifter?

I know what a shifter is but I could not find a definitive answer on what an ispec shifter is or how is it different from a regular shifter. For example the 2014 shimano deore groupset says it has ...
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2answers
189 views

Shimano Revo shifter does not shift [closed]

I have recently bought a new bicycle and the left Shimano Revo shifter (3 speed) is not shifting, what can I do?
1
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1answer
128 views

How can I stop my shifters slipping when climbing?

I'm having trouble with my rear mech and/or shifters. Under heavy load (say, when climbing) the rear mech is slipping. The two photos below show my shifters before and after a climb. I've not touched ...
3
votes
1answer
497 views

Shimano 9 speed shifters

I have bought myself a Shimano Deore M592 set without shifters. I am now in the process of getting them as well but am not sure if I can put any 3/9 speed shifter on it. Do I only need to take care ...
1
vote
1answer
1k 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 ...
2
votes
1answer
303 views

Can I use friction shifters with a clutch style rear derailleur?

Can I use friction shifters with a clutch style rear derailleur like the 2014 Shimano Deore M615 Shadow Plus? Or does this put extra tension on the shift cable that will cause slips with a friction ...
1
vote
1answer
246 views

Campagnolo Athena 9 speed compatibility?

I own some NOS shifters, Campy Athena 9 speed, from 1998 i guess. do you guys know if I can use it with any campagnolo front/rear derailleur? how do I know what is compatible?
6
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4answers
210 views

Electronic shifters

I have been reading alot about the electronic shifters that are out now, specifically the ones on TREK bikes. I was wondering if they are worth the price, and more importantly how do they perform.
6
votes
1answer
435 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 ...
2
votes
0answers
182 views

Change the angle of the arc of downtube / stem shifter lever to make it an alternative thumb shifter?

I want to mount the following SunRace clamp-on shifter set horizontally as a "thumb" shifter on a straight MTB handlebar (22.2mm). I will remove the left lever and only use the right with the clamp. ...
3
votes
1answer
946 views

Can I run 2x10 XT Shifters on a flatbar road bike with 105 10 speed STI components?

I want to run 2x10 XT shifters on a flatbar but still want use the 10 speed 105 components of the road bike would there be any problems?
3
votes
2answers
536 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 ...
1
vote
1answer
432 views

How long does a shifter, rear mech and front mech last?

I am talking about absolutely dirt cheap components which are non-branded. In terms of number of kilometres how long do they last? The bicycle is ridden on city and country roads and maintained ...
3
votes
3answers
718 views

SRAM Rival front derailleur throws chain to the outside, even after professional adjustment

TL;DR: if you have a SRAM Rival front derailleur I'd love to know if yours looks "funny" like mine does--it's described in bold. I have a SRAM Rival groupset (from late 2011), including front ...
1
vote
1answer
166 views

Compatibility for old Sram 7-speed shifter

A buddy asked me to fix his bike. The shifter is broken. It's an older bike with a Sram SRT300i-71 shifter. I found an exact match on that is fairly cheap on ebay, but I also found a similar model on ...
2
votes
3answers
478 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 ...
1
vote
2answers
1k views

Are Shimano R440 road flat bar shifters compatible with a mountain bike front derailleur?

The Shimano shifter flat bar series have the same cable pull length than the mountain bike shifters. Is this series compatible with a mountain bike front derailleur, Deore, for example?
2
votes
3answers
244 views

reliable bike shifting

I've recently had 2 bikes (Trek and Giant) of the hybrid style. The frame style was comfortable but both were difficult to change gears. When going up an incline, I would shift to a lower gear. The ...
2
votes
1answer
612 views

Can I run a SRAM road rear derailleur with downtube shifters?

Can I run a SRAM road (apex/rival/force/red) rear derailleur with downtube shifters? I though you might be able to mount the bar-end shifters on downtube, but it seems like they are a ratcheting ...
1
vote
1answer
241 views

First time buying parts ( derailleur, chain, rear axel, shifters) need help!

I have a 21 speed (3 front, 7 rear) NEXT bicycle ( model number 8568-49, year 2007.12.06) sitting in my back yard at the moment a few missing parts and I was hoping to get some help on what to get and ...
2
votes
0answers
235 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 ...
4
votes
2answers
4k 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 ...
5
votes
4answers
7k 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 ...
1
vote
1answer
30 views

Twist shifter spacing between 6 & 7

My new cruiser bike has a twist shifter on the straight handlebar. Why is there more space on the dial between the numbers 6 & 7? The space between every other number is the same, except between ...
3
votes
1answer
312 views

Nexus shifter with Alfine hub

Is it ok to use a Nexus 8 speed grip shifter with an Alfine 8 speed hub? The Alfine shifters seem to be all trigger shifters is that correct?