Tagged Questions

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

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6
votes
3answers
1k views

What bicycle design factors affect stopping power?

I've been under the impression that bikes and motorcycles cannot stop as quickly as cars. I'm curious what factors have the largest impact on bike stopping distance. What comes to my mind are: ...
2
votes
4answers
274 views

Brakes won't stay tight

I have plain ol' v-brakes and I have to tighten them all the time, every three or four weeks. I've been given to understand this is not usual. I'm not sure what's wrong though -- am I hitting them too ...
28
votes
8answers
18k views

Why don't brakes come with 'Safety Levers' any more?

It used to be very common to see bikes with dual pull brake levers (if that's even the right name) as shown below. However now it seems almost impossible to find brakes like this. Even finding a ...
3
votes
5answers
1k views

Removing lubricant from the rear brake and rim?

I accidentally got lube on my rear brake (v-brake) and my stopping power seems diminished. What is the best way to get it off the brake pads and the rims?
0
votes
1answer
2k views

How do I fix sticking/tight hydraulic brake calipers?

I took my wheel off my front forks to repair a puncture. I had the bike upside down when I removed the wheel. When I came to replace the wheel back into the fork slots, the hydraulic disk calipers ...
2
votes
2answers
99 views

Putting brakes from a fat frame onto a skinny frame

I took a bunch of parts off of a bike with a hybrid titanium/carbon frame (it died), and am using them to build up a bike from a sweet steel frame I got on ebay for a song. It's my first time building ...
21
votes
8answers
8k views

Why is the front brake lever on the right if you 'drive' on the left and vice-versa?

I live in the UK and I expect my front brake lever to be operated by my right hand. However, I recently went on a friend's bike that had the brakes 'back to front', which would be the 'right way ...
6
votes
5answers
22k 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: ...
0
votes
4answers
633 views

Is there 28 hole front/rear drum brake hub

No time research this now, so has there ever been made a 28 hole front or rear drum brake hub? I know that Sachs and Sturmey-Archer have done a lot of drum brakes. Neither to my knowledge have such a ...
2
votes
3answers
2k views

How can I adjust for uneven brake wear?

Well, my problems with brakes have turned out to be not an issue with pad longevity at all -- see the following picture: Note how the one pad is excessively "toe-in" worn. Here's a picture of the ...
1
vote
4answers
1k views

Can anyone suggest a way to mount my rack to prevent it impeding the rear brake?

I have a topeak rear rack the mounting of which is interfering with the operation of the rear brake. Unfortunately, my frame (a 2009 Scott Sportster P4) only has mounting lugs on the outside of the ...
8
votes
3answers
5k views

Fixing noisy V brakes

My V brakes make a lot of noise when I brake!! I am annoyed by such noise not to mention the pedestrians. My Mechanic said that it will not make those noise after using for couple of days, but it is ...
3
votes
3answers
1k views

Fixing off-center Caliper brakes

The brakes pads of my front brake are off center, so far that when the brake is disengaged the right pad rubs slightly against the wheel even though there is plenty of clearance between the wheel and ...
13
votes
2answers
48k 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 ...
4
votes
3answers
2k views

Why does my back wheel keep becoming untrue?

So I broke a spoke a week ago, and when I put a new spoke in you know I trued it. Now, a week later, the bike feels like a kayak, because the back wheel is not very straight. Any idea why this would ...
17
votes
8answers
27k views

Why don't road bikes use v-brakes?

In my experience, linear pull brakes (v-brakes) have more stopping power than other types of cantilever brakes (let the flames start ;). Modern road bikes always come fitted with dual pivot brakes. ...
8
votes
5answers
2k views

Weight of disc brakes

People say (for example here) that disc brakes are relatively heavy, giving this as a reason for not using them. How much heavier than rim brakes are disc brakes? Is the extra heaviness in the ...
12
votes
4answers
2k views

What kinds of brake designs exist, and what are their general pros and cons?

Here are the ones I'm aware of: Center Pull Cantilever Slightly better braking than side pull brakes. No recentering problem. Relatively rare V-Brakes Cheap to produce. Similar in braking power ...
4
votes
1answer
2k views

How do I choose brake pads?

I use the plain self-centering side-pull cantilever brakes found on 99.9% of road bikes. (Well, it's a road bike. ;) ) I've got alloy rims. Both my current internship location and back home are ...
0
votes
2answers
153 views

Quick question about V-Brakes?

I'm interested in purchasing a bike, however due to my location can't get into a bike shop, so will need to order it online. The 2009 GT 2.0 Transeo I am interested in does not explicitly say it has ...
1
vote
3answers
293 views

Could road rims be damaged by using v-brakes?

I once heard that road rims aren't strong enough to deal with the force of v-brakes, is this true? What about your standard cantilever brakes?
7
votes
3answers
2k 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. ...
0
votes
2answers
1k views

Are the rear brake mounts on my Boardman Team HT post-mount or IS?

Boardman Team HT Last weekend I broke the rear brake lever in a crash. I'm looking for a replacement brake disc kit for the rear brake, but I don't know what kind of mounting I've got. There seem to ...
3
votes
4answers
3k views

What's the difference between galvanised brake cables versus stainless steel?

I'm looking at buying a set of new brake cables and I'm wondering what the difference is between the stainless steel ones and the galvanised cable? I'm only getting relatively cheap ones but I can't ...
18
votes
6answers
7k views

Can your rims wear down from too much braking?

I have a question about rims based on information in another question. The person asking states that he doesn't want his rims wearing down. Is this really a problem? Assuming you don't wear the ...
2
votes
5answers
1k views

Best brake pads for long distance travelling?

Me and a friend of mine are going on a long bike trip (which will take us a month) and we're finetuning our bikes for this. We will be bringing about 14kg of luggage each, only riding on paved roads ...
22
votes
6answers
2k views

Why do the front and rear brakes work independently?

Why do bicycles have two individual brake levers that work independently to brake each wheel? I've always used my right brake lever because it is more comfortable to do so and I haven't noticed any ...
34
votes
13answers
20k 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.
2
votes
3answers
11k views

How to fix a detached brake cable?

My rear brake cable detached yesterday while riding. When I pull the level all the way back (which I can now do with no tension), I think I can see the end of the brake cable inside the brake hood, ...
1
vote
3answers
942 views

Cantilever cable adjustment device

I'm about to build up a frame (Motobecane Fantom CX) with cantilevers and drop bars. I plan to use my old Campy 9-speed levers. Obviously, those levers don't have any way of adjusting the cable length ...
6
votes
3answers
2k views

Disk brake has never worked properly from new, pads replaced - still rubbish!

I've got Shimano hydraulic disc brakes and ever since I've had the bike (from new) the front brake has never worked properly. It used to squeak really loudly and perform badly but I assumed they just ...
8
votes
4answers
9k views

Disc brakes squeak on Trek mountain bike

I have a Trek 3900 mountain bike with disc brakes, and I just took it out of winter storage to start riding it for the season. Everything works well, except for one very annoying problem: when I stop ...
5
votes
1answer
2k views

Brake lever placement on a road bike

I am just going to re-wrap my road bike's handlebar tape tomorrow. Before I do that I was wondering what the proper place is to put the brake levers. I know they should be pointed vertically, ...
4
votes
2answers
5k views

How do I stop my brake from sticking?

The rear brake (calliper) on my road bike sticks. When I pull the brake it pulls down but only half springs back and there's then slack in the leavers. This is causing rubbing on the rim. It's a ...
4
votes
3answers
856 views

Brakes periodically make “finger nails on chalk board” sound

Both my rim brakes --- front and back --- have started to make a periodic noise when I engage them. They will be silent for a little bit, then gradually start to make noise. As I brake, the noise will ...
27
votes
5answers
16k views

How do I make my brakes stop squealing?

I am having a very loud squeaking voice in the brakes of the rear tyre. 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 ...
6
votes
2answers
2k views

Adjusting the pull/reach of STI levers with top-brakes (Tricross)

Please excuse my terminology, I have a Specialized Tricross (2008) with Shimano Tiagra STI levers, and convenience brakes on the top of the bars, running through the same cable. Naturally, adjusting ...
4
votes
1answer
854 views

One stripped post mount on suspension fork

I have a suspension fork, which has a stripped lower post mount, i.e. the bolt used to attach the brake caliper doesn't grip the post. Before anyone asks - yes, it is the correct size bolt, as the ...
5
votes
3answers
3k views

What is the stopping force of your average road bike?

Does anyone have any data on the stopping force of a modern road bike? IE when a road biker slams on the brakes the force applied to the ground is x.xxx Newtons (or lbf). Another way to ask would be ...
3
votes
1answer
555 views

RockShox Tora TK mountings for Hope Mini M4

I'm on the verge of buying a RockShox Tora fork for my bike, and plan to use them with Hope Mono Mini M4 brakes. I'm stumped as to what mounting to buy for these, how do you guys find out this ...
11
votes
6answers
11k views

Why don’t fixed gear bikes have brakes?

It seems to be assumed you will not have any brakes on a fixed gear bike, why?
5
votes
5answers
323 views

Is it ever legal in the USA not to have two brakes on a bike?

When using a bike on a road in the USA, is it ever legal not to have separate brakes on the front and back wheels?
3
votes
2answers
229 views

Is it ever legal in the UK not to have two brakes on a bike?

When using a bike on a road in the UK, is it ever legal not to have separate brakes on the front and back wheels?
66
votes
13answers
12k views

Why don't road bikes have disc brakes?

Window shopping for road bikes, can't see many that have disc brakes, any reason for this?
12
votes
2answers
2k views

How do you adjust the set-up of road bike brakes for women with small hands

My girlfriend has recently bought her first road bike. While the frame size is pretty much spot on and comfortable for her, she finds that the brakes are difficult to use and she ends up with pain in ...
5
votes
3answers
574 views

V-Brake pads for wet conditions

In wet conditions, my current brakes are pretty poor. Without switching to disc brakes, what are my options for v-brake pads that work better in the wet? I'm only thinking about this for my commuting ...
5
votes
2answers
954 views

Where can I get a basic toolkit for bicycle - Walmart etc?

I want some basic things in toolkit (like oiling of chain, tightening of brakes etc). Where can I find them and how much does it usually cost? I want to buy one, so can you name the basic tools with ...
13
votes
4answers
4k views

How to tighten a brake?

This is probably a really basic question but I'm confused by the whole brake mechanism so... My left (front wheel) brake has to be pulled in really far before it actually starts to brake (I guess ...
5
votes
1answer
3k views

How do I get rid of the noise on my Hayes Stroker Trail brakes

I recently bought a new bike that came with Hayes Stroker Trail hydraulic brakes. From day one they were squeeky and not very grippy. I wrote it off to the burn in period that most disc brakes ...
3
votes
1answer
398 views

How to service a 1995 Schwinn Phantom Coaster Brake hub?

I have a 1995 Schwinn Phantom beach cruiser with a coaster brake that I'd like to service. The coaster brake is staring to feel sloppy and hasn't been looked at in a long time. What tools will I ...