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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35
votes
4answers
37k 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. ...
30
votes
8answers
62k 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....
19
votes
4answers
5k 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 ...
16
votes
3answers
6k 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 ...
13
votes
5answers
5k 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 ...
12
votes
2answers
2k views

What is this rubber on gear cables

What is this rubber thing on my gear cable and what does it do?
11
votes
5answers
11k 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 (@...
11
votes
2answers
7k 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 ...
9
votes
1answer
18k 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 ...
8
votes
10answers
19k 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. ...
8
votes
3answers
2k 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 ...
8
votes
6answers
6k 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 ...
8
votes
6answers
21k 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 ...
8
votes
2answers
3k 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 ...
7
votes
2answers
3k 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?
7
votes
4answers
1k 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 ...
7
votes
2answers
8k 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 ...
7
votes
2answers
1k 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. ...
7
votes
3answers
10k 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 ...
7
votes
2answers
464 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. ...
7
votes
2answers
1k 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 ...
6
votes
3answers
2k 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 ...
6
votes
2answers
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 ...
6
votes
3answers
7k 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 ...
6
votes
3answers
3k 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 ...
6
votes
1answer
5k 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/...
6
votes
3answers
9k 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 ...
6
votes
1answer
98 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?
5
votes
3answers
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 ...
5
votes
2answers
2k views

How to adjust cable length on integrated brake/shift levers, when there is no barrel adjuster?

I feel bad asking this question because I've been doing bicycle maintenance for over 20 years and this seems like a noob question. I was unable to find a Shimano manual to answer this question. I ...
5
votes
1answer
654 views

Stock 10 Speed Shifters with 9 Speed Transmission [closed]

I have a bike that was built with 10 Speed Campagnolo Veloce Shifters, 9 speed Veloce rear derailleur, and SRAM 9 speed cassette and chain. I found a page on the builder's website that states they do ...
5
votes
3answers
982 views

How to identify galvanised and stainless cables?

Recently I bought some stainless steel gear and brake cables. I have 3 packets of cables from 3 Ebay shops. How do I identify if they are genuine stainless steel cables or if I've been ripped off? ...
5
votes
4answers
2k views

Reverse center pull cantilever brakes (how to set up and issues)

Questions Q1. For rear cantilever brakes, are there any off-the-shelf parts or brake designs that route a rear brake cable from underneath the saddle cable instead of above? Q2. If not, then can ...
5
votes
2answers
871 views

What should I do when my rear derailleur cable guide is too narrow?

I am installing a modern groupset on an old frame. The frame has a rear derailleur cable guide like this: The problem is that the gear cable housing ferrules are too large for the braze-on, causing ...
5
votes
1answer
3k views

replacing shifter cable housing?

My rear cable housing got torn apart while I was tunning gears as you can see in the picture. I'm quite new to cycling so i'm not sure if i should replace the whole cable or just the part of the ...
5
votes
1answer
530 views

cable housing with braided metal hard to cut?

Jagwire makes some cable housings that look like braided metal (called "sterling silver", "titanium", "carbon silver", and "gold"). I have a vague recollection of a review that said these metallic ...
5
votes
1answer
445 views

Tried to tighten the brakes, won't grip at all

I have a big problem. I know I could get this fixed with a mechanic, but really want to learn how to do it myself. I tried to fix (fool around) with my brakes a little the other day. The brakes are ...
4
votes
4answers
3k 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 ...
4
votes
3answers
137 views

Prevent disused brakes getting stuck

I tend to brake almost exclusively with my right hand. This usually means that the V-brakes for my left hand (rear) build up grime over time. Then when I come to use the brakes when I do need to stop ...
4
votes
3answers
2k views

What is this cable/hose management clip? (picture)

I've purchased a RockShox Reverb seat post, and its come with these delightful little Cable/Hose clips. Since my bike frame only comes with built in cable clips for the brakes and shifters, these ...
4
votes
2answers
6k views

Can a double loop cable stand up to cable cutters?

I am curious about this, and I don't see this question anywhere on here, nor via Google. I want to know if a double loop cable can stand up to wire cutters, because they don't seem like something a ...
4
votes
1answer
97 views

Alfine shifter cable tension increases over time

I have a Shimano Alfine 8 hub. I am aware of the need to keep an eye on the shift cable tension, and readjust periodically to ensure that the alignment marks on the hub are lined up. The strange ...
4
votes
1answer
285 views

Could i break Shimano Nexus 7 with no cable attached?

Is it possible to ride (pedal) on bike with Shimano Nexus 7 with no cable attached? Is it possible to push the bike without pedaling, when cable is unattached, or setting of shifter is not correct? I ...
4
votes
1answer
893 views

What are the pros and cons of different types of shifter cables?

What are the pros and cons of regular and slick gear/shifter cables? I just want easy gear changing. I have shimano gears if that helps. I know the difference between them, but I want to know some ...
4
votes
3answers
7k views

Buying brake levers, how do I find the correct ones for my bike?

I took a hard spill the other day on my mountain bike and snapped my left hand brake lever in to pieces. The ones that snapped are stock alloy rubbish that came with a Specialized Hardrock 2010 Disc ...
4
votes
1answer
2k views

What is lever throw and cable slack?

In a guide for adjusting Avid BB7 mechanical road disc brakes, it said: Only use the barrel adjuster at the brake lever to adjust for cable slack. For lever throw, use the outboard adjustment knob. ...
4
votes
1answer
253 views

What tricks do you use to avoid damaging cables when adjusting the gears?

I was trying to adjust gears, and being my first time, I ended up damaging the cable. I mean that I "smashed" it, the threads became apart, and it was dangerous to deal with it. I replaced the cable, ...
4
votes
2answers
1k views

How to route cables aroung the head tube?

Consider this illustrative picture: The cables are routed "across" the heatube. Id est the cable leaves the shifter, crosses the headtube and then curves back under the top or bootom tube. I often ...
3
votes
2answers
585 views

What are these cable “unions” called

The Moulton bike can be taken apart for travel (just using it as an example, I don't have one). The cables that run from the handlebar to the rear triangle are not single continuous cables but are ...
3
votes
3answers
518 views

When should I replace the brake cable?

Here is the picture of the cable from my rear V-brakes: As you can see it's worn down. Should I replace it now or is it safe to use it for some more time?