Questions tagged [brakes]
Disc/rim/drum/coaster brakes; braking technique, maintaining brakes, anything else about stopping a bike.
59
questions
5
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1
answer
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views
Why is QR considered a problem for disc rotor alignment and not rim brake alignment?
My QR disc bike has never had an issue with rubbing rotors after putting the wheel in, and it feels like the axle only has one resting place in both my front and rear dropouts. What about QR would let ...
- 193
2
votes
2
answers
238
views
Rear disc brakes work intermittently
My son's 26" mountain bike's rear mechanical disc brakes work when it's on my bike stand, but will not grip or stop when the bike is on the ground.
When there is any downward force on the rear ...
4
votes
2
answers
649
views
Brakes not going back on their own
Found a some what rusted bike frame on side of road, and I’m working on fixing it. The rear brakes seem to be sticking quite a bit, they stay in the actuated position after release.
There doesn’t seem ...
- 41
7
votes
4
answers
4k
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Why is my bike clunky, and what is this loose string?
I have a black sport trail all terrain Rockrider that I bought from Walmart for around 150 dollars. All was well for a few months, until I noticed a loud clunky sound with my pedals that made it hard ...
6
votes
1
answer
176
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Replacement for "Weinmann Symetric"
Can I replace these "Weinmann Symetric" brakes on my city bike with something modern? The rim width is ~25mm. I have only found similar brakes online for road bikes, which do not fit the rim ...
- 1,508
3
votes
1
answer
394
views
What's this nugget called in these tektro drop levers?
Inside of this hole there used to be a cylindrical stopper or drift that was used to set the lever pull distance. It dropped out of this on a ride at some point and I can't find it. Since I don't know ...
- 387
0
votes
2
answers
122
views
How to upgrade Scale 930 to reduce weight and gain speed?
I need to upgrade Scott Scale 930 (2022) with the following properties:
fork: FOX 32 Float Rhythm Grip 3 (100mm travel)
bottom bracket: Shimano BB-MT500 / shell 41x92mm
rear derailleur: Shimano XT RD-...
- 153
0
votes
0
answers
95
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How do you put a usable brake on a bike trailer?
How are you able to brake when on a bike trailer? I am making a bike trailer and need some tips on how to make it.
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3
votes
1
answer
126
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Why do brake cables come out of barrel adjuster when they are loose?
My brake cable got unattached from the pinch bolt and came loose. I then noticed that at the other end the cable housing was not inside the barrel adjuster anymore. I thought something broke at the ...
- 31
1
vote
1
answer
70
views
Brake problems (need adjustment too often)
I've been having problems with my bicycle brakes for not a short time and I've been having it with a couple different bikes. The brakes get loose after 1-2 weeks. I deliver with my bike so I use it 50-...
- 11
7
votes
1
answer
437
views
How can I keep my brakes centered?
If I move the brake device by hand, I can get it centered.
However, after riding a bit I guess the bumps of the road shift it either to the right or left, causing either the right or left brake pad to ...
- 237
3
votes
2
answers
83
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Should front brakes have this much give?
https://photos.app.goo.gl/uQdrppNmAwJsiyHk9
I never paid attention to how much give the brakes had when the bike was new.
The video shows the brakes clamped down onto the tire, and as I rock the bike ...
- 237
6
votes
0
answers
105
views
What is forward drag on a coaster brake
I have a single-gear coaster brake bicycle that needed fixing. I would have to pedal real hard to get it to go and backpedal a block in advance for bike to stop. Very spongy brakes. Well I took brake ...
- 1,225
1
vote
2
answers
55
views
Which brake levers and brake calipers to replace Sram s-series HRD700 (postmount)?
I own a Giant TCX SLR 1 from 2014, with Sram s-series HRD700 brakes (post mount right?) and 10 speed sram force transmission. Discs are 140mm rear and 160mm front.
My brakes are completly gone and I ...
- 13
0
votes
1
answer
58
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v brake + adapter vs mini v
I am interested in Paul Components Motolite or Minimoto (or Box Components’ One offerings).
I want the best rim braking performance on cantilever posts to go with my TRP RRL levers
I know there’s v ...
- 1
4
votes
1
answer
674
views
Is this slight movement of Cantilever brake arms intentional?
There is some slight movement of my canti brake arms on the brake bosses when the lever is pulled. It's pretty minimal but I'd be interested if if this is intended and whether it might cause any ...
- 733
5
votes
5
answers
429
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Comparing hub/disk brake vs rim brake. Power, reaction, and skidding
I'm not a bike enthusiast but I've commuted quite a lot with bikes. I don't always understand the physics but believe I can extract well what happens per experience. I could be mistaken though. I've ...
- 153
2
votes
1
answer
72
views
Sram/Avid brake hose compatiblity
I have Sram Rival AXS which I want to transfer from one bike to another. Unfortunately the new bike is bigger (M -> XL) so new brake hose is required. SRAM recommends SRAM Brake Hose Kit - Double ...
- 31
1
vote
1
answer
111
views
Front hydraulic brake lever dislodged
This is a brand new mountain bike for kids with hydraulic brakes.
The bike fell on its side and when we picked it up, the brake handle got caught by a branch. With a little effort, we were able to ...
- 13
6
votes
2
answers
194
views
How to temporarily plug hydraulic brake hoses to route them through frame without leaking fluid
Is there a way to temporarily plug and seal hydraulic disc brake hoses as well as hydraulic dropper post hoses, before installing them or removing them from a frame? The idea is to keep things tidy ...
- 393
4
votes
2
answers
644
views
Disc Brakes disengage when braking, why does this happen?
I have a fairly heavy e-bike and I'm a fairly heavy rider. My bike has mechanical disc brakes, and around 5 months ago I was having an issue where the brakes became useless, as in when I applied them ...
- 43
1
vote
1
answer
85
views
In what order do the washers go on smooth post cantilever brakes
I have a Specialized Rockhopper that is missing the brakes. It has cantilever brakes smooth post. I have the parts but don't know what order the washers go in. Does the concave part go against the ...
- 1,225
0
votes
1
answer
42
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Replacing pivot bolt on Shimano Sora caliper brakes
first time posting. I've lurked for years and have found answers to a ton of questions, but can't seem to find a discussion on one specific thing. I have a 1980s Peugeot Elan—I believe from scouring ...
2
votes
1
answer
123
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Which brake arms of Shimano XTR M900 go in front?
The Shimano XTR BR-M900 Cantilever brake arms come in two different lengths. Which go in front, the long ones with the stamped "F" or the shorter ones?
- 733
2
votes
2
answers
137
views
Standard oil grease as Shimano Roller Brake grease short-term replacement
I am currently in the process of cleaning up the rear axle from dirt and excessive grease, legacy of the previous owner. I will be replacing a ball bearing and few other small components, but would ...
- 21
6
votes
5
answers
5k
views
Is there any advantage to using brakes the UK style?
For a moment forget about the current downsides of preferring UK brakes living in a non-UK marketplace:
Hard to test ride bikes in stores
Rental bikes won't be set up that way
Some frames might not ...
- 140
4
votes
3
answers
1k
views
How to find out about my 1970's JC Penny 3 speed bicycle?
I recently got a 1970s jcpenney Lightweight 3 Speed bicycle but it doesn't have a brake on it whatsoever. I cannot find the specs or any information about this bike. Does anyone know where I could ...
- 1,225
0
votes
1
answer
66
views
Brake sensor wire
I have an electric bike, and I am looking for an electric wire that is attached to the brake lever.
how can I get it?
regards.
Hussein Talib.
1
vote
1
answer
127
views
U-brake conversion from up pull to side pull (like bmx front brake)
I have an old steel Belgian bike from the 80s (I believe) which I am trying to restore to make it my daily commuter. I have to replace many things and every time I encounter that the bike is far away ...
- 11
2
votes
2
answers
176
views
Fork V-Brakes won't come out
I can't remove these v brakes out of my fork, any idea how to remove these?
Also, i unscrewed the bolts as you can see at the photo but still no go.
- 79
5
votes
1
answer
351
views
Facing flat mount fork
Front brake on one of my bikes has always been near impossible to adjust. Since it is my first bike with flatmount calipers I thought that this is just specific to flat mount brakes.
However recently ...
- 2,837
4
votes
3
answers
808
views
Replacing hydraulic brake lever
This is my first time dealing with hydraulic brakes.
The front brake on my bike is Shimano BL-M4100 lever with MT410 caliper. I stripped the lever's clamp thread and going to replace the lever with a ...
- 143
4
votes
1
answer
191
views
Are all top of the line components always compromising on durability in order to save weight?
It often written that top of the line components are less durable (Dura-Ace and XTR for Shimano), with the explanation that they meant for competition and so they compromise on durability to save ...
- 21.2k
2
votes
1
answer
490
views
What tool do I need to adjust the brake cable here?
I need to loosen very tight bicycle brakes(pads). This is the only thing running over the cable, have no idea what it is and don't have many tools to begin with so assuming I don't have what is needed ...
- 21
3
votes
1
answer
119
views
What kind of Julet cut off plug is this?
I own a NCM Moscow that uses a Tektro EL555-RT with this Julet 2pin connector
I would like to replace the braking system with a hydraulic one however I simply can't find brakes with this connection, ...
- 255
3
votes
3
answers
329
views
can you replace Tektro M280 pad adjuster bolt only?
I totally stripped the adjuster bolt on my rear caliper, it had a hex head, now it's round and doesn't turn anymore. Do you know if it's possible to replace the pad adjuster bolt only without ...
- 255
1
vote
2
answers
125
views
How do I reattach a screw to my front wheel's V - brakes, if it has come out? [Pictures attached]
I noticed today that some ruffians had jammed my bike into my bikestand, and pushed it in so hard, that while pulling it out, one of the brake screws of the V - brakes on the front wheel broke off.
I ...
- 113
14
votes
4
answers
2k
views
Is this brake mounted incorrectly?
A friend of mine just got her bike back from the store after getting new brake pads, a new fork and a new cassette. After riding a few meters I noticed a weird behaviour while using the front brakes ...
- 315
2
votes
4
answers
564
views
I was leaning the bike against the wall
I have a quite a new bike (aluminium frame) and I came home after a ride and when I was leaning a bike against the wall I hit the brake caliper (or more like the tube, that's next to it) against the ...
- 21
2
votes
2
answers
157
views
Specialized Stumpjumper Women's HT 2006 Worth Rebuilding Back Up?
I absolutely love my Specialized Stumpjumper HT 15.5 (26" wheels), so light and nimble - a dream for single-track and general xc trail-riding (and nice and nifty for running around town too) but ...
- 21
1
vote
2
answers
281
views
Light fork recommendations?
I just built my first bike up, it's a total frankenbike and it's a lot of fun, but I'd like, just for fun, to see how light I can make it as I do mostly use it for practical commuting. The frame is a ...
6
votes
2
answers
924
views
Is it important to cover the brake lever apparatus with a protective hood?
This question may just be too basic, but was unable to find a direct answer. People seem to assume that a brake lever hood* is a given, but I'm wondering if it's necessary or really does all that much ...
4
votes
3
answers
183
views
New V-brake arms don't spring back
I installed new V-type brakes on my bike, which is the same type of brakes as it previously had.
When I tighten the single bolt that holds the brake arm, the arm does not spring back.
If the bolt is ...
- 101
2
votes
2
answers
265
views
Shimano BR-MT400 caliper upgrade?
After 2 years calipers no longer retract fully (pistons) causing annoying rubbing sound.
What options do I have to upgrade it (perhaps something more durable) providing I still want to reuse the same ...
- 65
0
votes
1
answer
361
views
Tektro HD-M275 rear brake making grinding noises while braking
I got Tektro HD-M275 hydraulic disc brakes with 180mm rotors, front brake is working perfectly with no issues. Under light braking rear brake works normally without any noises or vibrations, but as ...
1
vote
1
answer
171
views
Height-adjustable V-brakes?
I'm converting my Surly LHT from 26" to 650B, requiring to adjust the height of the V-brake pads.
I have learned this can be done using a V-brake such as the Motolite by Paul Components 1. ...
- 227
1
vote
1
answer
1k
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TEKTRO Road Bike Mechanical Disc Brakes MD-C550 Pads
About TEKTRO Road Bike Mechanical Disc Brakes MD-C550 pads
I search the internet for replacement and all results shows the model: E10.11
and in the compatibility chart it does not for the MD-C550
...
- 53
0
votes
1
answer
543
views
SRAM force axs brake judder/shake/vibrate
I have problem with my SRAM force axs brakes, I bought new disc brake rotors and as well brake pads, cleaned it all changed it, but yet when I brake it just totally judders or vibrates it just doesn’t ...
6
votes
3
answers
513
views
What are the failure modes of the brake rotor worn beyond limit
Background
I have been maintaining two bikes for a few years. Both have disk brakes. One has around 10 000 km on it another one is well over 35 000 km. The disks on the bike with 35k+ are now reaching ...
- 2,837
0
votes
1
answer
66
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Problem tensioning brake lever cable
Good morning everyone,
I have a problem with adjusting mechanical disc brakes, especially the avid bb7's,
I have adjusted the caliper position, the position of the pads and connected the cable to the ...
