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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32
votes
8answers
74k 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....
8
votes
10answers
23k 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. ...
2
votes
1answer
7k views

Use of Shimano long-reach calipers with “New Super SLR” brake levers/shifters

So my bike has Shimano Tiagra ST-4600/4603 brifters (it's a triple) but is fitted with long-drop BR-R451 calipers. In theory, these should be incompatible because of the change in cable pull ratio, ...
9
votes
1answer
21k 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
6answers
27k 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 ...
41
votes
4answers
56k 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. ...
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/...
1
vote
3answers
177 views

Debugging an FD problem through three visuals

The front derailleur cable is as taut as I can get it. To attach the cable with as much tension, it's first necessary to understand the inside of the barrel adjuster. And the H limit screw on a ...
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 ...
4
votes
1answer
874 views

Would using compressionless brake housing for derailleur be a problem?

... since derailleur cables are a smaller diameter? Would they be too loose in the bigger housing? The housing might also not fit the shifter hole. Any thoughts on this? The 'why' behind the ...
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 ...
4
votes
2answers
593 views

Mountain bike crank hits derailleur cable

Just bought my first bike and it was put together by the store. I was wondering if this little cable/wire is okay, it's hitting my pedal every time I’m riding. It doesn’t really bother me, but I don’t ...
2
votes
3answers
7k 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
7answers
437 views

How to prevent the derailleur cable fibres getting all over the places?

My bike is only 7 months old, but the front derailleur cable fibres are becoming loose i.e. the individual thin metal fibres twised together to form the cable are loosing out. I think I have lost the ...
2
votes
1answer
90 views

Seating the rear derailleur cable housing

Unpacked road bike. Assembly is simple enough, except that the rear derailleur cable housing is not in its groove (I'm sure there is a specific term). Here is a picture. No matter how much I tug (...
2
votes
1answer
2k views

Do I need better “springs” on my disc brakes?

After 20 years commuting on old/cheap bikes, I finally evolved up to a nice solid touring rig with cable disc brakes (Avid BB5). I love the bike and the brakes. They're much easier to maintain, ...
2
votes
3answers
4k 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 ...