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Questions tagged [brakes]

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

4
votes
2answers
3k views

Bike brake cables popping out of brake handles

A couple days ago I got in a small bike crash and since then both my front and back brakes have this issue. As shown in the picture, the metal ends of the cables come out of the handles when I squeeze ...
4
votes
1answer
508 views

Caliper road brakes on cantilever specific frame

I just bought a used bike with cantilever brakes that are very stiff (it's quite hard to push them) and weak. I have been fiddling with them for about two weeks now but to no avail (only the smallest ...
3
votes
1answer
629 views

Cross top Levers as primary brake

Has anyone ever tried to use Cross Top levers as your only braking method (ie not just as an interrupter for the drop levers)? I'm guessing it wouldn't work as you need the cable to go straight ...
9
votes
1answer
689 views

Do I need to bed in my disc brakes again after I clean rotors with alcohol?

After giving my bike a good wash and deep cleaning of drivetrain components, I like to clean my disc rotors as well. I typically use a small spray bottle full of 90% isopropyl alcohol and a clean ...
4
votes
3answers
1k views

Alternatives to Long Drop Calipers

Anyone have a clue what type of brake I can fit to this front fork? The reach to a 700C wheel would need to be 80MM (do you even get calipers this long?) and the only brazing on the fork is this ...
4
votes
1answer
808 views

Do brake pads designed for both carbon and Alloy rims exist?

I had in interesting question today that got me thinking. Are there any brake pads that are marketed specifically to be able to switch between alloy training rims and carbon race rims? As in switch ...
9
votes
5answers
4k views

Can a bike have both rim and disc brakes?

Was just wondering if a dual option like this was possible or even desirable.
4
votes
3answers
796 views

Interruptor Brakes on a Road Bike

I have recently upgraded my hybrid with regular flats for a road bike with drops. Much to my surprise I adapted to the drop handlebars pretty quickly, however, even though I have a ladies' specific ...
7
votes
2answers
440 views

Mountain Bike Disc brake pads price vs performance

I know the differences between organic and sintered pads. That bit is (fairly) easy. Where I come unstuck is finding out what is the difference between pads at different price points. Does anyone ...
5
votes
4answers
358 views

How to minimize wear on brakes?

My daily commute consists of a quite steep last part (around 1 km with average 12% steepness). On my way back home when going downhill, I have to extensively use my brakes to (more or less) keep the ...
3
votes
1answer
191 views

Cyclocross Frames and Disc Brake Compatibility?

I'm looking for some guidance on how to determine if a certain disc brake is compatible with a certain cyclocross frame. Specifically, here is my particular situation. I have an extra set of Spyre ...
4
votes
5answers
827 views

How can I stop an Adult trike when both front brakes fail?

I have a lovely easy adult trike and I use it all the time. Now the thing is because it's a trike, it only has front brakes. Well on the 14th Feb I was riding to my local charity, got to the hill and ...
5
votes
2answers
208 views

What holds back refinement of self-energizing bicycle brake designs?

Existing examples, that I've come across at least, are generally a mess and ride more like early proof of concept experiments than something that should ever have been put in the hands of normal ...
2
votes
1answer
99 views

Handlebar of my bike will not bolt onto the front forks

I decided I'd like to remove my front brake from my bmx, but having looked closer i realised I was looking at a gyro brake system. I proceeded anyway, thinking this wasn't going to be a problem, and I ...
5
votes
1answer
195 views

cleaning v-brake arms with riveted inner sleeve

I've got avid single digit 5 v-brakes, those with an inner sleeve riveted into the arm; the sleeve isn't supposed to move around the pivot, the arm itself moves around the sleeve instead. Arguably due ...
2
votes
1answer
96 views

Front Mountain Bike Cable Disk Brake Is Too Snappy on First Pull

When I grab my front disk brake for the first time on a ride after my bike has sat for a while it will buck me forward. Once it bucks me it works great. I have tried cleaning it with disc brake ...
1
vote
1answer
429 views

Mafac Racer Brake Replacement

I am getting tired of my Mafac Racers on my old Peugeot UO-8 and am looking for a modern side pull style brake upgrade. Are there any brakes that are good conversions to replace Mafacs? Anything I ...
5
votes
1answer
2k views

Orders of the washers on threaded-stud brake shoes

So today I changed my v-brake brake shoes on my old MTB to put cartridge brake shoes. I noticed that the order of the washers was different on both brake shoes. On the newer one the brake arm was ...
4
votes
1answer
461 views

Why did Shimano name them V Brakes?

Why did Shimano name and trademark their variety of direct pull brakes: V-Brakes®? Is it because of shape? The two arms look kind of like a V? That seems a fail as they are more parallel than most ...
4
votes
2answers
186 views

Hydraulic brakes, cold causes 0% braking capacity

Its recently been cold, around 0 degrees C at night, where my bike is stored in the outside shed. Ive replaced the pads, and bled the brakes around 6 months ago. When taking out my bike it has 0% ...
7
votes
3answers
2k views

How to fix a seized V-Brake arm?

I was checking the brake pads on my bicycle and I noticed one of the arms seems to be seized: It's this arm (I hope that's the right technical term). It will move but it's very stiff and when I use ...
4
votes
2answers
666 views

Common brake arm length on a road bike?

After switching the fork on a road bike I noticed that the brake pads could no longer be adjusted to sit properly on the rim but would sit too low even in the topmost position. I encountered the ...
5
votes
1answer
245 views

Online bought bike left brake lever doesnt do anything [closed]

I just bought a giordano libero 2.0, and the left brake lever has no resistance when pulled, and the front brakes don't squeeze when I push them. The right brake lever is fine and the back brakes ...
4
votes
2answers
258 views

Is the front center pull brake supposed to be free floating?

I have an old Motobecane (see this picture from another person's question) The brake assembly which is attached to the front forks doesn't move. As I recall, on other bikes that I have had like ...
1
vote
1answer
266 views

Magura MT7 on Commencal Meta AM V4.2 Race

I would like to mount a set of Magura MT7 brakes on my Commencal Meta AM V4.2 (Race) with 200mm discs front and rear and a RockShox Lyrik Fork. Which adaptors do I need? Is there anything else to ...
3
votes
1answer
240 views

Older Brompton front brake cable

I needed to replace the front brake cable on my old brompton, so (after a bit of searching) ordered what I thought was the right cable (QBRCABFA-M[3] from sjs cycles). Turns out, it was the wrong one ...
16
votes
1answer
43k views

What is the difference between I.S., post, and flat mount disc brake mounting standards?

What is the difference between "I.S." (international standard), "P.M." (post mount), and flat mount disc brake mounting standards? Does one have a clear advantage over the other and is there a ...
5
votes
1answer
859 views

V-brake noodle broken: replace immediately? With what?

I realized today that the front brake noodle on my folding bike is most likely broken. It looks normal as long as the wheel faces left or forward. As soon as the wheel faces right, however, the noodle ...
1
vote
1answer
567 views

Fix/replacement for v-brake part

I finally found out the answer as to why my v brake is not returning to open position. If you look closely, the screw that is supposed to hold spring is not doing its job; the spring slips down when ...
2
votes
1answer
279 views

Mechanical cable-actuated disc brakes started working really badly

Currently I have a cyclocross bike with Tektro Lyra mechanical cable actuated disc brakes with 160mm wave rotors. I have had issues with the brakes for some time now, mainly my fault, I accidently ...
1
vote
1answer
2k views

How to accurately measure brake calipers?

So I recently bought brake calipers only to realize they didn't reach my rims. In fact they only go to about the midpoint of my tire. The calipers are similar to these : Did I just happen to get a ...
1
vote
4answers
3k views

Removing stuck front brake caliper from a modern road bike

I'm trying to remove the front brake caliper from my Specialized Allez. It took me a long time, a lot of effort, and plenty of 3-in-1 to finally loosen and remove the recessed nut that screws onto ...
8
votes
1answer
2k views

What is the equivalent for Shimano Roller Brake grease?

I'd like to regrease my roller brakes, because it started to squeak. There is dedicated Shimano Roller Brake grease available, but I'm curious what kind of grease it is really like, what it is made ...
3
votes
1answer
168 views

How to store old hydraulic disc brakes?

Since I'm replacing my old Shimano M446 hydraulic disc brakes with new ones, I'm wondering is there a way to properly store disc brakes that are not in use (disassembled from bike frame)? At the ...
2
votes
2answers
629 views

Why does my cantilever brake squeal *nearly* all the time

One of my bikes has cantilever brakes on chrome rims. With dual compound Koolstop Eagle 2 pads braking is adequate and I can rely on the front brake at least in the dry. The back brake squeals ...
4
votes
1answer
939 views

Brake oil came out of the piston of my Tektro hdc 300 and the brake is not functioning. What to do?

One day, I tried to disassemble my hydraulic braking system (Tektro HDC 300) having a goal of dipping the brake pads in alcohol. Well, I had somehow managed to separate the pads and the spring like ...
3
votes
1answer
2k views

Clark's skeletal hydraulics issues

I know this is an older less expensive brake system so not sure of my best options. The brake lever are quite firm so is there a way I can remove a bit of the hydraulic fluid from the system? I also ...
4
votes
3answers
367 views

is there an easy fix for worn down brakes?

I have a really cheap Walmart bike with originally came with questionable brakes. After more than a year of commuting, they have worn down to next to nothing. Is there any easy fix at home to improve ...
2
votes
1answer
144 views

Updating brakes on a vintage tandem

I have a 25 year old Colnago road tandem on which I would like to update the brakes. The problem I am having is that they are 27" rims and I can't find a proper brake setup that will work. What ...
7
votes
2answers
638 views

How to roll-start with a back-pedal coaster brake?

I have a bicycle with a coaster brake. It is very "handy" to brake even without hands. But somehow I can only do a stand still start. This means if have to get on bike first and then start pedaling. ...
0
votes
3answers
228 views

Bike modification/alteration [duplicate]

Base on the photos as shown, is it possible to apply the following modification/s and/or alteration/s: a. replacement of wheels from 20" rear-18" front to 16" both rear and front. b. installation of ...
4
votes
1answer
95 views

Best XT pads for weak hand strength

After a serious crash that left my right hand with plates and pins installed, can anyone suggest a grippy pad for my rear XT disk brake? My hand strength is about 30% of normal. Thank you. David
8
votes
3answers
8k views

V-brake arm not returning to “open” position

I have a folding bike with v-brakes and I noticed that when I pull on the rear brake lever, one arm of the v-brake doesn't go back to its original position. I tried adjusting the screws but it still ...
10
votes
8answers
4k views

How to brake without falling during wet weather?

A couple of days ago I fell off my bike. I was on a wet, steep downhill, asphalted road with a lot of curves. I didn't expect neither the weather, nor the 15+ km downhill route. I was always reducing ...
0
votes
2answers
127 views

Adjusting road brake levers

Recently I got my bar tape, brake cables and brake levers changed, but when I picked up the bike I noticed that the brake levers were to low (at the tip of the drops) is there any way I can put them ...
2
votes
1answer
92 views

Mid-bar brakes for only rear wheel?

I'm interested in adding mid-bar brakes to a Salsa Vaya Deore. Is it advisable to add them only for the rear wheel (not both the front and rear wheels as is more common)? Are there clear downsides to ...
3
votes
2answers
705 views

Why do my rear caliper cable becomes loose after some squeezes in the brake lever?

I have bought this bike one week ago from a friend of mine, and when I checked it, it was clear that the rear brake caliper cable was loose. I could see, under the frame, the steel wire bulging from ...
16
votes
2answers
2k views

Why are disk brakes not completely round on the outside?

Why are disk brakes not 100% round? Why is the outside edge "rough"? Here's a pic of what I'm describing:
10
votes
7answers
3k views

When using the front brake, should I always move my weight to the back or is just bracing with arms is sufficient?

I always thought that OTB is caused by deceleration if the rider stops too abruptly. But I've found an article that says: Jobst Brandt has a quite plausible theory that the typical "over-the-bars"...
2
votes
1answer
556 views

Brake pads fall out of the caliper and stuck between the caliper and the disk

At one moment the bike just stuck with this problem. The brake pads fell out of the caliper and got stuck between the caliper and the disk. I repaired it by detaching the wheel and getting it back ...