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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3
votes
4answers
632 views

How to run full length cable housing to front mech on a frame without cable stops?

I have an All-City Space Horse frame that has cable guides for full length housing where you use zip ties to secure the housing. But there are no traditional cable stops. The housing runs from the ...
5
votes
1answer
205 views

Brake cable reach

On my 2016 Giant Defy with Shimano 105 shifters I am finding it very difficult to reduce the reach on my brake levers and they need pulling almost to the handlebar to brake. Is it possible to reduce ...
5
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3answers
1k 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. ...
1
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1answer
44 views

How can I add cable tension to a Shimano 600 sidepull caliper brake on a 80s vintage road bike?

So I wanted to add cable tension to my rim brakes because I want to reduce the travel. I have small hands and don't have too much leverage on the hoods so if they actuated more easily then I would ...
1
vote
1answer
25 views

front gear shifter cable sleeve, shifter to frame needs replacing, the old wire rusted inside

bought this bike 2nd hand from charity shop, front gear shifter was sticky and wouldn't shift to 3 [3+8 setup] as was already at 3. [streached?] ''bloke who brought it in said it just needs oiling'', ...
2
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0answers
68 views

Road bike shifter cable breaks too often: Shimano ultegra 10 [duplicate]

My rear derailleur shifter cable just broke for the third time in two years 5000 miles/ 8000km. I was lucky this time. It broke a mile from the end of a long ride. What am I doing wrong? Are there ...
6
votes
1answer
560 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 ...
2
votes
2answers
118 views

Shifting cable maintenance/swap with internal cabling on Cube nuroad

I need some guidance on how to replace the shifting cable on a Cube nuroad with its internal cable routing. I prefer not to replace the outer cables nor to remove the hydraulic hose. The hydraulic ...
4
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3answers
876 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): ...
12
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3answers
3k 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 ...
2
votes
1answer
161 views

Shimano RD-R7000 cable cut into thread?

That gap/cut in the hollow screw of the cable mount is not supposed to be there, right? If so, is this a typical defect? The hollow screw is pressed into the derailleur body and not replaceable, so ...
2
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3answers
220 views

"Non-Aero" cable routing with "Aero" brake levers

Modern "Aero" brake levers, with their long bases and big hoods have some pretty significant ergonomic advantages over traditional levers. Personally though, I hate having to tear off my bar ...
3
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0answers
63 views

Sourcing cable guide clamps - for multiple cables

I'm looking for a cable guide clamp (for loss of a better word), but struggling to find any suitable ones online (similar style to below). It is the component which you use to hold a brake/shift ...
4
votes
1answer
186 views

How should exactly the brake cable be fixed to V-brake caliper?

Regarding the V-brake calipers, where the cable is tightened with a screw: Should the cable go between the head of the screw and the washer (1), or should it go between the screw head and the body of ...
2
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0answers
59 views

Left shifter is not catching/gets stuck when there is cable tension

I need help with my left shifter. When I have the cable attached to the derailleur and have even the slightest tension applied, the shifter won't shift to the largest cog (I have double front ...
0
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1answer
75 views

Cable head is too small

when I came to change the shifting (gear) cable on my claude butler bike I found that the original cable has a slightly bigger head(nipple) than the replacement cables I have-3.9mm compared to 3.5mm ...
5
votes
1answer
161 views

Shifter cable cut deep groove into the rear derailleur casing

I have an old Shimano RD-M760 DEORE XT Rear Derailleur, where shifter cable cut a deep groove into the guiding steel tube. Here is a picture: Is that tube replaceable? I think that groove is a ...
-1
votes
1answer
237 views

Is it illegal to cycle with one brake? [closed]

After refurbishing my mountain bicycle I have discovered I need a new cable for my rear brake. My front brake works perfectly fine and that is the only one I use. I will be getting the rear brake ...
6
votes
1answer
146 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 ...
2
votes
3answers
768 views

Why does the rear brake bowden have no housing below the frame of the bike?

I observed that the bowden of the rear brake calipers runs "naked" below the bike frame. (Also the gear shifting cables, but let's focus on brake cables for this question.) (I.e. the section ...
6
votes
3answers
712 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)?
2
votes
1answer
379 views

Anyone seen a hollow crank spindle cut through by an internally-routed derailleur cable?

I just want to share a recent observation, but I have to pose it as a question. A person showed me an FSA Gossamer 30mm hollow crank spindle broken into 2 parts. The break looked almost as good as a ...
4
votes
3answers
545 views

Replacing a lost disc brake pinch bolt

While replacing the cable for my front disc brake, I lost the bolt and plate that attaches the cable to the calliper. In this Park Tool guide, they call it a 'pinch bolt' — labelled E in the image ...
3
votes
2answers
114 views

Why is this STI shifter cable corkscrewing?

I have a roadbike with an older Shimano 105 set of brifters. The left hand / front shifter has always had problems getting the chain to the big ring, to the point I often have to dismount to reset ...
1
vote
1answer
144 views

Replacing an ebike's cable disc brakes with hydraulic disc

I have a Viking Gravity 250w 24v ebike. I'm just wondering if I can replace the braking system with a hydraulic type and what would happen to the wired braking safety feature? Would I have to retrace ...
-2
votes
1answer
335 views

Apparently too much rear derailleur cable pull

I have a Deore XT RD-M761 GS medium cage derailleur on my touring bike that seems to move too much per shift. It shifts the chain on a 11-30 8-speed cassette with chainrings being 36/48 and the ...
-1
votes
1answer
85 views

What is this hardware inline with the brake cable?

The brake caliper is an Avid BB7_MTN, but there seems to be some kind of additional element inline with the brake cable. From what I can gather looking at the picture, there's an electric cable coming ...
0
votes
1answer
426 views

Brompton cable & housing replacement

What type of cables & housing should I buy to replace them on my 2016 M6R Brompton? I've put a lot of tough miles since I bought my Brompton, and one of my shifting cables finally frayed and fell ...
1
vote
1answer
160 views

Shifter won't click and cable doesn't move

My front gear is set on the smallest gear then the shifter suddenly doesn't click. I also see no cable movement from the front derailleur. Here is the link for the vid: https://imgur.com/ZncNh70
1
vote
1answer
81 views

What type of lever is this cable for?

I recently bought a rear brake cable for my 60s era Schwinn: I was expecting it to have a lever interface that looks like: But they are clearly different: I was browsing eBay for another cable and ...
4
votes
1answer
113 views

Shift Cable for 1963 Schwinn w/Sturmey Archer Shifter

This is the shifter on my 1963-64 Schwinn Racer: This is the old cable: I'd like to replace the cable and found this: It's hard to tell what the cable ends look like inside the packaging but is ...
5
votes
2answers
138 views

Data on cable lubricant

Chain lubrication is a popular topic. Perhaps for this reason, it is possible to find data for chain friction and chain lubrication. Some of the results of the research are quite interesting. I'm ...
3
votes
3answers
119 views

Shift lever tight when cable clamped in derailleur, adjustments seem futile

I have a 2020 Giant Trance 2 I purchased new at the beginning of June 2020. Recently I had to replace my shifter cable (I broke a ferrule and the cable was fraying and very short, so I figured the ...
4
votes
1answer
206 views

What is the plastic inside this barrel adjuster, and is it okay to be worn?

I'm replacing the brake cables (inner / outer) on my ~2 year old bike, and noticed that there is a piece of hard plastic tubing (2–3mm diameter) inside the metal part of the barrel adjuster that feeds ...
10
votes
3answers
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.
4
votes
1answer
1k views

How to replace hub motor cable in e-bike?

The hub motor wires are cut from near the axle and looks like I can't repair it without completely replacing it. The motor is similar to this one on Ali Express. I failed to open the motor because ...
3
votes
1answer
467 views

Replace vintage barrel nipple Shimano shifter cable

My West German bike has an old friction shifter. The shifting cable snapped and I discovered the nipple is barrel shaped but horizontal, much like a MTB brake cable, but smaller. I can't figure out ...
4
votes
1answer
98 views

Post head-on crash w/ another bike, shifters no longer shift

Hi everyone on bicycles StackExchange, I had a head-on crash with a drunk guy who rode his bike into mine and since both shifters stopped shifting. the right hand shifter clicks but does absolutely ...
5
votes
3answers
169 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.
5
votes
2answers
814 views

Frayed cable inside front derailleur

I noticed today that my the cable controlling my front derailleur is beginning to fray. Hoping to get this great group's thoughts on the situation. It's a Shimano 105 2x11. Bike has about 150 miles on ...
5
votes
4answers
488 views

Mechanical Ultegra's R8000 right-mech cable failure

On my Giant TCR Advanced SL I have mechanical ultegra R8000 groupset and every 7/8 thousands kilometers the cable constantly breaks(usually it should happens every 20 thousands kilometers). It ...
7
votes
1answer
267 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?
4
votes
2answers
676 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
1answer
173 views

Are rear derailleur cable intervals equal?

On one occasion in the past I paid attention to get the rear derailleur to be "just right". On eight gears on an MTB, I would get gears 1-2-3 and 5-6-7-8 to be perfect (minus the chain rub on one end ...
1
vote
3answers
582 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 ...
1
vote
1answer
218 views

V brake tension adjusted by bending a wire

enter image description hereI have v brakes with a stiff wire which you bend to adjust the release tension, as opposed to turning a screw. I love this system, it's such an instinctive way to adjust ...
4
votes
4answers
650 views

Front derailleur cable hits path of pedal

The front derailleur cable is on the path of the pedal. Derailleur cable is in the path of the pedal (right of picture): The amateurish solution of pulling it back with a loop requires a solution ...
2
votes
1answer
159 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 (...
0
votes
3answers
99 views

Brake cable rubbing seat post

I am building a tandem and I can run the rear brake and shifter cables three ways. I can run cable housing the whole way. Since it's really far, that's a lot of housing! And I don't think it would ...
2
votes
1answer
172 views

Replacing rapid-fire shifters with 105 integrated shifters

I have a Fuji Absolute 2.0LE with straight handlebars, mini-v brakes, rapid-fire shifters, 3 chainrings, 9-speed Tiagra derailleur. I found a set of drop bars with Shimano 105 integrated brakes and ...