Questions tagged [brakes]

Disc/rim/drum/coaster brakes; braking technique, maintaining brakes, anything else about stopping a bike.

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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 ...
Alison's user avatar
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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 ...
johnamble's user avatar
2 votes
1 answer
63 views

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?
user430's user avatar
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2 votes
2 answers
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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 ...
CasseroleBoi's user avatar
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 ...
bitmaker's user avatar
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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 ...
Alison's user avatar
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1 answer
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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.
Hussein Ali's user avatar
1 vote
1 answer
70 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 ...
Jaboto's user avatar
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2 votes
2 answers
158 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.
Clayde's user avatar
  • 69
5 votes
1 answer
203 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 ...
Art Gertner's user avatar
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4 votes
3 answers
397 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 ...
Andrey Agibalov's user avatar
4 votes
1 answer
183 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 ...
Renaud's user avatar
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2 votes
1 answer
388 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 ...
Tom hardy's user avatar
3 votes
0 answers
71 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, ...
Sandro Antonucci's user avatar
3 votes
3 answers
134 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 ...
Sandro Antonucci's user avatar
1 vote
2 answers
112 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 ...
Bongo Man's user avatar
15 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 ...
andii1997's user avatar
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2 votes
4 answers
525 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 ...
Simon's user avatar
  • 21
2 votes
2 answers
136 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 ...
Ali Bee's user avatar
  • 21
1 vote
2 answers
276 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 ...
Gedwyn Cantrell's user avatar
7 votes
2 answers
821 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 ...
Obert Seb Luger's user avatar
4 votes
3 answers
130 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 ...
GeoK's user avatar
  • 101
2 votes
2 answers
162 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 ...
Pekotski Bit's user avatar
0 votes
1 answer
209 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 ...
57_Pixels's user avatar
1 vote
1 answer
117 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. ...
sebastian's user avatar
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1 vote
1 answer
513 views

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 ...
Emadness's user avatar
0 votes
1 answer
238 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 ...
Natalie G.'s user avatar
6 votes
3 answers
286 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 ...
Art Gertner's user avatar
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0 votes
1 answer
56 views

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 ...
Alberto Murgia's user avatar
4 votes
2 answers
441 views

Front brake broken

I bought this bike from my friend about 2 months ago, and back then the bike seemed to work fine except for slightly flat tires. I could ride it around in the garage. I decided to pump it up today but ...
jmy's user avatar
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2 votes
1 answer
387 views

UK Carrera Vengeance Mens Mountain Bike -- I can't confirm mechanical disc brake pad sizes to replace

I am trying to do something trivially easy and I can't find the information I need. I need to replace the mechanical disc brake pads on my Carrera Vengeance Mens Mountain Bike. I bought some pads that ...
Martin's user avatar
  • 174
3 votes
6 answers
913 views

When does the braking power stop scaling with Rotor Size

It's commonly established that the braking power scales with rotor size, and an optimal braking technique is to provide enough force for the rear wheel just to lift up. However, my question is wouldn'...
isotope's user avatar
  • 33
6 votes
2 answers
649 views

Attachmentpoint rim brakes carbon bike, sratches/crack?

I own a 2019 Rose XLITE carbon road bike with rim brakes. Today, I conducted a thorough inspection, taking things apart. At the rear of the bike, on the attachment point where the brake is fixed to ...
roverhendrix's user avatar
1 vote
1 answer
94 views

Can i replace just the brake on a bike that has a combined shifter/brake lever unit

i’ve just bought a new bike with shifter and brake units together on the handlebars. i want to replace the brakes with hydraulics from my last bike (new bike has cable brakes), however i don’t know if ...
Liam Duffell's user avatar
2 votes
2 answers
297 views

700c to 26in V-brake conversion

I have search high and low and feel like I’m kinda close to the solution but.. does anyone know if there is some sort of adapter that facilitates my V-brakes to be lower, offering me the chance to put ...
duhnlic's user avatar
  • 151
3 votes
1 answer
494 views

Improving braking performance of long reach Tektro R559 calipers?

I've been gradually restoring an old Fuji 3-speed, and I'm looking to improve the braking performance. Right now, if I have any speed at all, I feel like I can barely get enough braking power to come ...
John Wulsin's user avatar
0 votes
1 answer
125 views

I need to know what kind and size of brakes I need for my road bike/fixie

I'm pretty sure it's a fixie but it's one speed and if I turn the rear wheel around it turns it into a fixie. I'm not aware of make and model but I bought a pair of brakes on Amazon that I thought ...
A.J.A's user avatar
  • 1
2 votes
0 answers
78 views

Cable housing end cap for BR-M375

I replaced the no name brake calipers on an entry-level ebike for Shimano BR-M375. The cable housing for the rear caliper was a bit too long, so I cut off a few centimeters. Then, I put a new 5 mm end ...
olliebulle's user avatar
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5 votes
1 answer
296 views

Is the part of the v-brake noodle which sticks out of the noodle holder a standard fixed length on all noodles?

I have found when setting up v-brakes that adjusting the brake cable to ensure the brake pads do not touch the rims is a bit of trial and error affair, and the instructions with a Shimano brake set I ...
vfclists's user avatar
  • 329
1 vote
2 answers
242 views

What to considering when replacing disc brake calipers?

I currently have an endurance road bike equipped with Shimano 105 hydraulic disc brake calipers. Since I am transforming it into a gravel bike, I would like to change the calipers to the Shimano GRX ...
Bob's user avatar
  • 292
0 votes
2 answers
256 views

Mountain bike brake pistons not compressing when brake is pulled

I have a Shimano BR-MT201 Hydraulic Disc Brake on my rear brake. I was replacing the brake pads and accidentally pressed the brake too many times and the piston popped out leaking brake fluid. ...
TopherInLoafers's user avatar
4 votes
2 answers
359 views

Mountain bike brake pistons not compressing when brake is pulled

I have a Shimano BR-MT201 Hydraulic Disc Brake on my rear brake. I was replacing the brake pads and accidentally pressed the brake too many times and the piston popped out leaking brake fluid. ...
TopherInLoafers's user avatar
0 votes
1 answer
379 views

What are the exact dimensions of Shimano disc brake split (cotter) pins?

What are the exact dimensions of Shimano disc brake split (cotter) pins, such as part nr. 25 (Y8DB06100) on BR-MT410 caliper (https://si.shimano.com/en/ev/BR-MT410-4663)? Looking to buy generic ...
Nik Kharlamov's user avatar
8 votes
6 answers
716 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
6 votes
3 answers
820 views

Purpose of some "mounting points" on a suspension fork? (left rear side, 2 eyelets)

I recently bought a bike equipped with a Fox 34 AWL suspension fork (pictured below). As it is shown on the picture, the left leg has 5 mounting points: the 3 lower ones are clearly identified: ...
Renaud's user avatar
  • 19k
5 votes
1 answer
261 views

Rear brake cable rubbing (internal routing), what am I missing?

I just bought a used bike and it is my first bike with internally routed cables. I felt that rear brake is not smooth and feels like the cable is rubbing against metal so I am trying to replace it. I ...
Metal Mathematician's user avatar
1 vote
2 answers
183 views

Repair/Replace rim brakes with bottom cable routing

Ok people I need some knowledge around here. I'm working on fixing up my wife's bike. It's a wonderful classic Peugeot women's city bike. Mid 70s steel frame. I've run into the issue of the brakes. ...
Ben King's user avatar
6 votes
2 answers
623 views

What is the purpose of mixing brake cable housings?

Jagwire has in its offer Road Pro Brake Kit -- https://jagwire.com/products/diy-cable-kits/2017road-pro-brake-kit. The housing is two segments -- compressible next to the brake levers and for the rest ...
greenoldman's user avatar
  • 2,064
2 votes
2 answers
264 views

Front fork brake posts removal

I wonder if the v brake pivot posts can be removed from the front fork, even though the posts have no flat side to undo them with a spanner? Can these be removed with a pair of pliers or a grip of ...
D D's user avatar
  • 17
5 votes
2 answers
599 views

Cantilever Brake Installation (can thick and thin cup washers be swapped?)

I'm reinstalling the rear cantilever brakes after taking them off for a thorough cleaning. I'm also upgrading the pads at the same time to a Kool Stop model with "extra material" (i.e. ...
SSilk's user avatar
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