Questions tagged [rim-brake]

Questions referring to the braking system in which pressure is applied to a track on the rim of the bike tire.

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43
votes
6answers
70k views

How do I make my rim brakes stop squealing?

My rear rim brakes are squeaking loudly. I don't know what the problem is, but I am sure it has nothing to do with rain because it happens all the time even if it is dry. Anybody have an idea what ...
21
votes
2answers
242k views

Converting bike from rim brakes to disc brakes

I just bought a used 2009 Kona Dew and it comes with regular rim brakes. I'm perfectly happy with them so far, but have been wondering if disc brakes would come handy when it rains. What is involved ...
0
votes
1answer
310 views

What is the mechanical advantage of mechanical rim brakes and levers?

I understand that the amount of hand force required for a given braking force depends on the mechanical advantage of the braking system, which in turn is a multiplication of the mechanical advantage ...
54
votes
18answers
56k views

What is the practical advantage of disk brakes over rim brakes?

Disk brakes are becomming more popular on bikes now, and I was just wondering what the advantage is of this type of brake over the older rim brakes.
12
votes
2answers
8k views

Why are there metal shavings in my brake pads?

I have several brake pads on my cantilever brakes that have several small metal shavings embedded in the pad. Is this normal? What should I do about it?
9
votes
3answers
4k views

Do aluminum rims provide better braking than steel ones when wet?

When I upgraded the brakes on my bicycle recently, the shop asked if I wanted to also switch from my (chromed) steel rims to aluminum rims, saying the aluminum rims would provide better braking power. ...
13
votes
5answers
37k 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 ...
11
votes
2answers
5k views

Is it possible to control two brakes from a single lever?

Up until the start of the year, I was a keen road cyclist, I even dabbled a bit on here amongst the experts, but unfortunately in February I suffered a stroke. I am gradually starting to pick things ...
7
votes
2answers
4k views

Re-painting Rims

Over time, the paint on the rims of a wheel has slowly been eaten by a set of brake pads. How do I strip left over paint? What type of paint should be used? How can I ensure the new paintjob will ...
7
votes
1answer
10k views

Fixing damage to brake rim surface

somehow the alloy braking surface of my rear wheel's rim has got a series of quite shallow lacerations, less than a mil' deep bunched quite closely together (the effected area is no more than 1/8 of ...
4
votes
2answers
2k views

How to remove play in cantilever pivot point?

I have been working my way through issues with noisy front cantilever brakes. After running through many different ways to solve the issue including new pads (Kool Stop Dura2 Duel Compound), setting ...
1
vote
2answers
1k views

Rim seems to be shedding metal chunks

I have rim brakes on my mountain bike that's outfitted for urban duty. Two weeks ago, I noticed that my rear brakes were weaker and louder than normal. I found that, although my pads still indicated ...
28
votes
6answers
125k views

Direct Pull (V-Brake) vs. Center Pull Cantilevers (pros and cons)

I am looking around for an old mountain bike to ride this winter (and this summer when it is wet). I was just browsing around and was curious what the difference was between Direct pull brakes: ...
7
votes
7answers
7k views

Why do my brakes squeak? Do I have an incorrect distance between brake pads and rims?

My brakes were working normally until I adjust them today. I thought the brake pads were too close to the rims so I increase the distance a bit. Now every time I brake, they make horrible squeaking ...
11
votes
4answers
16k views

How do I get my brakes to stop squealing [duplicate]

I've tried sanding them down just a bit, cleaning the brake surface on the wheels, and this does stop them from squealing for a day or two, but it always comes back. I'm using Kool-stop pads if it ...
3
votes
2answers
31k views

How to tell if a new pair of brake calipers will fit my wheel, tire, and frame?

I have a Takara Kabuto. It has 700x32 tires (I don't really know what that means). I was looking at upgrading the brake calipers. I was looking at these, among others. How do I tell if they will ...
10
votes
3answers
17k views

Is it possible to mount a disk brake hub to a rim-brake rim?

Suppose I have a disk-compatible hub and frame, but want build a wheel based around a very specific touring rim, which is labelled as being for rim brakes. My understanding is that you cannot attach ...
6
votes
1answer
1k views

Changing Magura HS33 rim brake pads

My brake pads have worn to the point where the lever can no longer apply full pressure, and there isn't much pad protruding beyond the pad mounting. So they need replacing and I want to do it myself ...
6
votes
3answers
3k views

Why would my rear brake pads wear faster than front?

It has already been established that most of braking power comes from front brake. Now, several times that I have been replacing brake pads on my commuter cyclocross bike I have noticed that rear pads ...
5
votes
3answers
803 views

Switching the position of brake levers for a bike ordered from another country

I purchased a bike from Germany and I noticed the front brake lever is on the left and the back brake level is on the right. I'm from the UK, and all the bikes I've ever ridden have had a setup that's ...
3
votes
2answers
2k views

What size is the tiny ball bearing used in SRAM rim-brake caliper quick release detents?

SRAM road rim-brake calipers (mine are specifically Rival from 2011) have a quick release lever to facilitate wheel changes, as many calipers do. The SRAM QR lever has detents which make a little "...
3
votes
2answers
2k views

Rear Tire 'Wobble' After Tire Change

I have an old huffy 26 inch mountain bike. I changed the tire a couple days ago and now it has a pronounced wobble (side to side movement, not at the axle). Its like its misaligned somewhere but ...
2
votes
5answers
508 views

What are the typical range of maximum braking friction forces?

There are many non-bike applications which benefit from using bicycle hardware. Case in point, there is a long and rich tradition of using bike parts in aviation. One particular area of interest is ...
2
votes
2answers
1k views

Shimano GRX groupset with mechanical brakes for CX/Gravel

I'm going to upgrade my cyclocross bike with new 1x11 dedicated components. Currently bike has old 105 5700 groupset and cantilever brakes. Those mechanical brakes are the main problem - I don't want ...
1
vote
1answer
685 views

one side of brake pad retention problem (i.e. attached to rim)

my front wheel brake pad (only one side) is still attached to the rim after I released brake lever. How do I fix this problem? I believe it is a cantilever brake.