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Questions tagged [cable]

Bicycle brakes and shifters use Bowden cables to transmit braking/shifting forces from the hand controls to the appropriate place.

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55 votes
4 answers
101k views

What is the difference between brake cables and derailleur cables?

What is the difference between brake cables and derailleur/shift cables? When I look online for replacement cables I see "brake cables" and "shift cables." From the images they all look the same. ...
npsantini's user avatar
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35 votes
8 answers
103k views

How to lubricate cables?

What is the best way to lubricate gear and brake cables in their tubular housings? Up until now, I've used CRC/WD-40 with an extension tube and attempted to squirt the lubricant into the tube housings....
Phillip Ngan's user avatar
21 votes
5 answers
10k views

Why does cable routing utilize alternation of sections of shielded and unshielded cable?

Why do manufacturers do this? What's even more interesting, many a bike have the middle cable fully housed, while the other two are "interrupted" as shown above. IMHO those are the pros and cons of ...
Vorac's user avatar
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19 votes
3 answers
13k views

Is it normal for my derailleur cables to cross over on the down tube?

I've just picked myself up a Specialized Allez Sport 2014 road bike from Evans Cycles (UK). I test rode the bike and I'm happy with the bike, but when I got home, and flipped the bike over to make a ...
JoeNyland's user avatar
  • 363
15 votes
4 answers
5k views

What are strong methods of linking two shifter cables together?

Before you answer with "Don't." I would like to preface things by saying that I just really need a slightly longer shifter (and brake) cable but I can't find any on my local area and I don't ...
user9564371's user avatar
15 votes
2 answers
2k views

Bike mechanic told me: Gear cable too "springy"

I bought a new groupset and I tried installing it all myself. Somewhere I must have messed up, because I could not get it to shift precisely. I took the bike to my local bike mechanic. He told me he ...
nammerkage's user avatar
14 votes
5 answers
7k views

Do brake cables become more elastic with time?

I bought a used bike a few months ago, and I've noticed a drastic reduction in brake power. At first, I was easily able to lock-up the rear wheel while squeezing the brake lever only half-way to the ...
user229044's user avatar
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14 votes
6 answers
2k views

Best drivechain for beach, seaside, coastal, winter, generally salty environment?

I live by the beach. Although I guess this is a similar problem to those who ride on salt-laden winter roads... It does take a while but, as evidenced by the endless bikes abandoned around the ...
John's user avatar
  • 405
13 votes
4 answers
3k views

Disk brake cables wear out too often - can I do something?

I have bought a City Bike Elops Speed 900 a year ago. I noticed that the disk brake cables wear out way too often. It happens sometimes only after a few hundred kilometers of use. They are torn at the ...
bud.dugong's user avatar
13 votes
5 answers
19k views

What's the deal with compressionless brake cable housing?

Ok folks, I'm confused and in need of advice. On my commuter (touring) bike, I just upgraded my BB5's to BB7's. In the process, decided/realized that I also need to replace my cables and housing (@...
D. Woods's user avatar
  • 371
13 votes
4 answers
11k views

why change gear and brake cables?

So people say you should change cables because of stretch. But after the cables have stretched, isn't it just easier and cheaper to adjust the cable and pull it a bit tighter? Why do I need to replace ...
guesssstwho's user avatar
12 votes
2 answers
5k views

What is this rubber on gear cables

What is this rubber thing on my gear cable and what does it do?
Lam Munn Jun's user avatar
12 votes
6 answers
3k views

Ultegra RD-R8000 derailleur chewing up shifter cable - WTH?

I have an Ultegra RD-R8000 (GS cage) that has chewed up multiple shifter cables (Dura Ace and Jagwire) at the cable bolt. Seems that when in a high gear (11t chainring) the cable bends over the clamp ...
bryan h's user avatar
  • 121
12 votes
3 answers
4k views

Why do I constantly have to re-index gears?

I've got a road bike with a high end 11 speed groupset that is about 3 years / 30,000 km old. Chain and cassette have both been replaced recently (i.e. 500 km ago). What I'm experiencing is a constant ...
maupertius's user avatar
11 votes
2 answers
28k views

What is the actual cable pull of brake levers?

I understand that there are 2 brake lever cable pull standards: Standard Pull Levers Long Pull Levers (for V-brakes and disc brakes) But what is the actual difference in pull? And specifically: what ...
Duvrai's user avatar
  • 213
11 votes
2 answers
9k views

Do I need to plug internal cable routing ports?

I have just ordered a OneUp Components 42T sprocket and a Race Face 30T Narrow/Wide single ring so that I can convert my 3x10 drive train into a 1x10. This means that I'll be removing the front ...
Stefan Moser's user avatar
10 votes
3 answers
2k views

What's the strongest way to bond a cable stop to an steel frame?

I have a steel single speed bike and want to add a rear brake. All is good expect there is no cable stops on the top tube. I want to bond two cable stops to the under side of the top tube.
user52112's user avatar
  • 101
10 votes
6 answers
41k views

How to cut a brake/derailleur cable?

I need to cut a cable, cleanly enough that it can be inserted in its housing. What kind of cutting tool do I need for this? I probably won't be using it more than once every few years, so cheaper ...
Nicolas Raoul's user avatar
9 votes
11 answers
31k views

What is a good replacement for a cable end cap?

I was adjusting the tension of my front derailleur cable and managed to pop off the cable end cap. The cable is now quite frayed at the end and I think it would be difficult to attach another cap. ...
Robert Dougan's user avatar
9 votes
2 answers
5k views

Cleaning Cable Housing?

I commute about 3600 miles a year and I am able to keep my gears adjusted pretty well. I do find that I get a lot of grime from rainy, muddy conditions, and I think I might be replacing my shift ...
memnoch_proxy's user avatar
9 votes
2 answers
3k views

When is it time to replace the gear-cable housing?

Please keep in mind that this question is specific to mountain bikes which roll through lots of dirt and mud. I heard stories of bikes that had their cable housing last for years, but I doubt that ...
zr.'s user avatar
  • 517
8 votes
3 answers
6k views

Should I oil new cable housings?

When installing new cables and housing, is is wise to oil the housing? If so, how? Here Hicks recommends spraying (but for re-newing old cables). On the other hand, I have found it intuitive to put ...
Vorac's user avatar
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8 votes
6 answers
9k views

What tools do I absolutely need to replace brake cables?

I'm happy with the job I did replacing the drivetrain on my road bike, and I'm ready to tackle replacing the brake cables. Unfortunately, I did a little research and it's been suggested that I need a ...
Goodbye Stack Exchange's user avatar
8 votes
6 answers
12k views

How useful/valuable is internal cabling?

I'm in the market for a new bike. I'm not a club rider but a utilitarian one: I commute on my bike, visit friends and run errands. On average I probably ride 2-4 miles per day, almost entirely on good ...
Bob Tway's user avatar
  • 691
8 votes
6 answers
836 views

Is there anything I can do with extra brake cable?

I'm changing my brake cables and I'm just thinking that it's such a big waste of cable since I only need a tiny bit and the cables are two meters long. Is there any way they can be used or anything? ...
Cedric's user avatar
  • 91
7 votes
2 answers
383 views

What features to look for in a replacement gear cabling?

What features are recommended for gear cabling to suit Shimano Tiagra front & rear derailleurs? I'm pretty happy with the performance of the cabling the bike came with, I haven't had any issues ...
Scottmeup's user avatar
  • 1,427
7 votes
3 answers
4k views

Can you buy bulk shifting/brake cable for road bikes?

Is it possible to buy bulk amounts of shifting/brake cable for road bikes? It would be nice to just have a spool of wire that you run onto your frame and then cut off only as much as you need. A ...
Jake Wilson's user avatar
  • 1,705
7 votes
2 answers
14k views

Pros and cons of mixed hydraulic/mechanical brakes vs pure hydraulics

Title of question is self-explanatory. Recently, it was added to the market brakes that are an hybrid mix between the mechanical Bowden steel cable and hydraulic system, which their oil tank is near ...
sergiol's user avatar
  • 402
7 votes
1 answer
534 views

Shifter cable types for Gripshift

I am changing the shifter cable on a bike with grip shift. I heard the cable casing is different than other types. Is the cable different?
Paul's user avatar
  • 831
7 votes
2 answers
23k views

Why does my brake cable keep on coming out of my brake handle?

I think I braked too quick on a slope and the brake cable came out of the brake handle so my front brake doesn't work. What do I do to fix it?
Dewi.T's user avatar
  • 71
7 votes
4 answers
3k views

Disc Brakes *Completely* Ineffective

Over recent months my front and rear disc brakes (Hy Rd TRP on my Genesis Croix de Fer) have become increasingly useless, to the extent that I now have to cycle very slowly because it takes at least 5 ...
Alice Lemkes's user avatar
7 votes
3 answers
2k views

How to retrieve broken off end of gear cable from inside Shimano 105, 11 gear, lever?

The gear cable was badly frayed in the handle system, where it bends through 90 deg. I had to cut it to remove the cable...but in doing so, the tip with the cable end (about 10mm long), has moved on ...
Philip Smyly's user avatar
7 votes
4 answers
15k views

Brake Cable Ends - Barrel and Pear Nipples

I can easily find images of these different nipples on Google, and as far as I can tell pear nipples are used on road bikes (in general) and barrel nipples are used on MTBs (in general). Barrel ...
PeteH's user avatar
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7 votes
1 answer
583 views

Gear shifting is good enough after 6 years. Does that mean I don't need to replace my cables?

My road bike gear cables have never been replaced, they are 6 years old now. The shifting at the back needs at tune up now and then, more and more frequently as time goes. But once it's done the ...
Learning is a mess's user avatar
7 votes
2 answers
2k views

How to install the cable for this rear derailleur?

For two months so far I'm trying to fix my bike. I bought a used bike and the shifting was not good. So I bought new cables and tried to make the rear derailleur work, but without any kind of luck. ...
Jack Twain's user avatar
7 votes
3 answers
16k views

How to replace a Sturmey Archer's cable?

I would like to replace the cable of a Sturmey Archer hub, but can't find a way to disassemble the old cable without destroying it, and it puzzles me how to insert the new cable. To better explain, I ...
jackJoe's user avatar
  • 1,437
7 votes
2 answers
816 views

What's this cotter pin on the barrel adjuster for?

I bought a new Salsa Colossal frame to build up and it has a cotter pin on the frame mounted barrel adjuster: If I turn the barrel adjuster too much, it is going to start digging in to the paintwork. ...
Ben Mills's user avatar
  • 509
6 votes
3 answers
4k views

How bad is this broken brake cable strand?

I just bought a new bicycle. While I was fiddling with things (removing tags, mounting a light, etc.) I noticed that the boot on the rear brake cable was loose. When trying to reseat it, I found that ...
Kevin Reid's user avatar
6 votes
2 answers
2k views

Where to get the short wire of the cantilever brake?

I was riding my bike and rear brake fell apart. As a result I lost the short wire of the cantilever brake, or at least that what it seems to be called. Where can I buy that short cable please ? Here ...
mishap's user avatar
  • 163
6 votes
3 answers
2k views

What is MTB/roadbike specific in brake cables?

Basically as the title says. Why won't a "roadbike" bike cable fit into an MTB, or vice-versa? Consider this one. What would happen if this was mounted in an MTB (or any other kind of bike)?
Attilio's user avatar
  • 563
6 votes
3 answers
8k views

Why does my bike stick in low gears?

When I change into a low gear (i.e. onto a bigger cog) on my back cog all is fine. However, when I later change up again the chain sticks on the larger cog. I commute about 10 miles a day and this has ...
Martin Wilson's user avatar
6 votes
1 answer
861 views

Shifter cable broke in the shifter and now the end is stuck in the shifter

So The end of my rear derailleur shifter cable is stuck in the shifter. Is it even possible to get out? See the picture below. Shifting up and down doesn't really do anything to its position. Edit: I ...
Bijlenman's user avatar
6 votes
1 answer
7k views

How do I setup these brakes?

I recently bought a bike from bikes direct (The kilo TT stripper). Its a fixed gear bike that came with a front and rear brake. I was able to setup everything but the brakes. The brakes are: Front/...
bdeonovic's user avatar
  • 247
6 votes
1 answer
737 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 ...
Nathan Knutson's user avatar
6 votes
1 answer
2k views

Prevent internally-routed cable housing from vibrating against frame

The rear brake cable and housing are internally routed through the top bar of the frame. It rattles around when riding on bumpy roads and sounds annoying. What's the best way to mitigate this?
Allen Baker's user avatar
5 votes
3 answers
5k views

Cable end crimps?

I always see professional bike builds have crimped ends on the cables. I've never been able to find any tools or ends to do that, so I just wrap the ends in electrical tape to keep them from fraying. ...
Brian Knoblauch's user avatar
5 votes
3 answers
1k views

Shifter cable ruptured near the inner end in ST-R7020 - usual defect?

Is is a shifter cable ruptured/torn near the inner end a usual defect with the ST-R7020 shifter or alike? Some words on the symptoms when this defect happened (might help others with diagnoses): ...
try-catch-finally's user avatar
5 votes
3 answers
280 views

What do you call the plastic bit that mounts brake cable housing to dedicated frame mounting spots?

I lost a couple and have no idea what to search for online.
Tomer Weller's user avatar
5 votes
3 answers
2k views

Cable routing and why is there no optimum solution

This is a general question, regarding the routing of the cables of both brakes and derailleurs on a frame. I find it highly practical to mount all cables along the bottom of the top tube. This ...
Vorac's user avatar
  • 13.8k
5 votes
3 answers
3k views

What is the best tool to crimp cable end caps?

What is the best tool to crimp cable end caps - especially those where access is limited, such as dropper post remotes? I have got a crimp area on my cable cutters, but it is a bit fiddly to use, is ...
LC1983's user avatar
  • 253

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