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

learn more… | top users | synonyms (2)

4
votes
1answer
511 views

What is lever throw and cable slack?

In a guide for adjusting Avid BB7 mechanical road disc brakes, it said: Only use the barrel adjuster at the brake lever to adjust for cable slack. For lever throw, use the outboard adjustment ...
1
vote
1answer
180 views

What is the standard diameter for BMX brake mounts

First of, these are the sort of brake mounts I'm talking about (though I believe the diameter is standard whether the mounts are removable or welded to the frame/forks): What is the diameter on the ...
34
votes
14answers
6k views

Safest way to slow down a bike quickly if both sets of brakes fail

This may sound like a crazy question, however today in the wet my rear brakes decided to stop working effectively. It has been pouring rain here which makes the problem more apparent. I managed to ...
1
vote
1answer
374 views

Brake pad rubbing the rim

I have a v-brake mounted on my bike. I can feel some stopping from the pads. If i spin the wheel, it stops because of one of the pads rubbing. I can't find a setting where one of the pads doesn't ...
3
votes
1answer
257 views

Life metrics for v-brake pads (time to replace, time to change)

I ride my bikes quite frequently and need to use the brakes slightly harshly (because of the traffic light changes and cars at my front) as I approach some gradients worth 40 degrees downhill. My ...
3
votes
7answers
3k 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 ...
6
votes
5answers
3k views

How do I prevent my hydraulic brakes from getting pressed/damaged when the wheels are off?

When I was buying my bike, the technician in the shop told me not to press the brakes when the wheels are off (detached), otherwise the brakes will get damaged (I don't know how). I need to detach ...
2
votes
1answer
175 views

How can I fit this mudguard?

I thought this would be simple. The problem is that the entire brake assembly needs to be rotated to screw into a thread built-in to the fork. There's also a hex/allen hollow tube-nut at the back ...
4
votes
2answers
1k views

What is the braking (stopping) distance for bicycles?

A vehicle driver must keep enough braking distance (aka stopping distance) between him/her and a vehicle in front in order to avoid collision. It depends on the driving speed. What is the braking ...
4
votes
4answers
2k views

How can I stop a belt brake (band brake) from squealing?

One of our bikes is an electric bike. It's an older iZip HG 1000, and although we got it through the American "manufacturer" (Currie Technologies), like most of the low-end ebikes it's made in China ...
9
votes
1answer
2k views

Disabling back-pedal brake

I have a bike with the so-called back-pedal brake, but since it's for someone who's learning I think that it's more an obstacle than an advantage. Since the bike also has hand-actioned brakes, can I ...
2
votes
1answer
143 views

Rear brake rubs against the tire

I just had my rear tire replaced at an -- admittedly shady -- bike shop, and now the upper part of the rear brake is rubbing against the lower part of the tire: The yellow dust on the picture ...
0
votes
1answer
523 views

Brakes contacting wheel after reattaching

I removed the rear wheel (quick release) from my Trek bike to install a bike trailer hitch. After replacing the wheel, the brake pads are rubbing. I did over-tighten the wheel when I first put it ...
1
vote
2answers
350 views

What torque for caliper brakes onto carbon-alloy forks?

I've recently got a new bike with a Kinesis DC07 carbon/alloy fork. This comes with deep-drop calliper brakes (Shimano R451 Dual Pivot). The first time out I bumped one of the brakes and it twisted ...
1
vote
2answers
203 views

Cannot raise V-brake blocks high enough to align with wheel rim

After adjusting my V-brake blocks to their highest setting on the lever, they still do not align with the wheel rim (they sit half on, half off). Is there any thing I can do about this, or is it an ...
3
votes
2answers
2k views

How do I align my front brake disk with the caliper?

I have manual Avid disc brakes. I took my front wheel off like I've done hundreds of times. When I put it back on the wheel is aligned properly with my fork, but the disc presses against one of the ...
1
vote
2answers
321 views

Upgrading my cockpit- brakes, stem and bars for longer reach

I want to upgrade my cockpit so that I have a longer reach. I currently use it as my city bike. Its an old vintage HR bates frame. Currently the stem is a little short. I want to change the bars - ...
0
votes
1answer
193 views

Cycling fast - and brakes don't work - what to do? [duplicate]

I hope this doesn't occur to any of us, but it can. What must the cyclist do when he/she is cycling (too) fast and needs to stop or slow down immediately, but neither the front and rear brakes work ...
3
votes
1answer
998 views

How do to determine if an adapter is needed for disc brakes and rotors?

I have an old older (not too old) bike that already has disc brakes, but I would like to replace them with a totally new set and new rotors. How can I determine if a given replacement (caliper and ...
10
votes
6answers
1k views

How many fingers on the brake lever?

I have seen people stop with one finger, two fingers or the whole hands on the levers. Is there a recommended number of fingers on the brake levers when stopping/anticipating an emergency stop? Do ...
2
votes
2answers
205 views

Replaceable cartridges for rim brakes

I have a set of Shimano CX70 canti brakes the pads of which are replacable by changing the pad only (cartridges). I see in no document for any specification of a cartridge that fits. Are brake ...
2
votes
2answers
121 views

Jammed rear brakes

My rear brake is jamming to the point that only half seems to be moving. With worn blocks I got away with it, but now I have changed the pads I finally need to sort the problem. Could the brakes be ...
4
votes
2answers
317 views

What alters the efficiency of (cantilever) brakes?

I have installed on my bike brand new cantilever brakes (Shimano CX-70). On the rear, the braking is justas efficient as I would have expected it to be. But on the front, it feels quite weak. Front ...
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 ...
2
votes
2answers
211 views

Hydraulic brakes with time trial levers?

I've read that only mechanical brakes work with road bike levers (I'm assuming that means the type that goes on the front of drop bars). Is this restriction the case with time trial brake levers that ...
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 ...
2
votes
1answer
204 views

What should I do about salt in V-brakes?

I've been riding a lot thins winter in spite of unusually snowy, icy, and slushy conditions. While I know how to lube and clean my chain and can deal with other accumulated filth, I'm having trouble ...
1
vote
1answer
186 views

5 Month old bike, pedals and brake issue

got a Merida Matts 40-D bike in September/October, now I'm having some issues and need some help fixing them. Bearing in mind I've had this bike that long, I didn't start riding it until mid October ...
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 ...
1
vote
1answer
184 views

My hydraulic MTB brakes squeal after I cleaned my bike

My hydraulic MTB brakes stated to squeal after I washed my bike why?
-4
votes
1answer
120 views

Ladies Western Flyer [closed]

I have a great vintage Western Flyer, Ladies bike, that I am trying to find a few parts for. I need to replace the rear Altenburger Synchron brake and I want to replace the seat and pedals back to ...
2
votes
2answers
166 views

How to fit tt brakes

got a set of profile design bull horns and fitting an aero lever/tt brake. name this one how is this inserted into the handlebar and how does one adjust? Cheers
3
votes
1answer
1k views

Are v-brake pads compatible with cantilever brakes

I have a set of Avid Shorty 4 cantilever brakes, well two sets (front and back) and wish to upgrade the pads. These are centre pull, linear pull brakes and have brake pads which are mounted from the ...
2
votes
3answers
530 views

(V-)Brake pad lifespan

Just for the record, my rims are brand new (~800 km) and clean. I have a set of KoolStop salmon brake pads (actually 2 sets, .... well, front and rear). I installed them ~600 km ago and I already had ...
3
votes
2answers
1k views

Brakes for a mountain bike frame (26'r) with 27" road wheels

I have converted a mountain bike to a commuter. the frame accommodated 27 " wheels, so I installed for a better ride. I have a road carbon kinesis fork up front with a v-brake, but need a rear ...
6
votes
1answer
388 views

Fitting brake cables on Tektro rl726 levers

Iv'e got some Tektro RL726 brake levers that I want to fit to a project bike. I bought the cables online & they have arrived with a stopper on both ends. Am I right in thinking I have to cut one ...
8
votes
6answers
10k views

brake lever will not return

My friend has a mountain bike that survived last years Queensland's floods (Australia, that is), but is all battered and bruised after not being ridden for a year. With my beginner's repair skills, I ...
6
votes
2answers
2k views

How to prevent my disc brakes from locking/sticking due to debris?

Context: I have a commuter/crossover bike with disc brakes, and a daily commute of ~20km. I upgraded to a bike with disc brakes after standard caliper brakes kept losing their stick and requiring pad ...
1
vote
3answers
613 views

Do brake hoods come in different sizes?

I have a Ribble Sportive Carbon road bike. The brake hoods are much smaller than most other bikes whihc makes them much less comfortable than other bikes (Scott, Specialised etc.) Can I just replace ...
0
votes
2answers
1k views

My v-brake lever (just one) is stiff. What's wrong?

After tuning my brakes a lot (I was learning how) I noticed suddenly my back brake got really stiff. Does't really matter if the cable is loose or not, the lever itself feels really hard to pull when ...
3
votes
1answer
474 views

Looking for components needed to route 3 cables on top of toptube for cyclocross bike

My bike is setup for cable routing under the downtube. I would like to route my rear brake, front derailleur, and rear derailleur cables along the top tube of a bike I plan to use for cyclocross to ...
21
votes
8answers
2k views

What type of brakes is least subject to failure in the winter?

There is a lot of snow in the winter where I live. Different kinds of snow; soft, sticky, wet, etc. And ice too. It can get pretty cold: -25 °C (-15 °F). We drop salt, sand and gravel on our roads. ...
3
votes
2answers
171 views

Brake lever seizing up from cold

I have perfectly ordinary standard-pull brake levers on my bike. When the temperature gets below 20F or so, the left-hand one seizes up, not wanting to pull, and not braking well if I force it. Once ...
4
votes
2answers
345 views

CB Roubaix upgrade to Shimano Tiagra - brake problems

I installed the new Tiagra brakes (4600) to my Claud Butler bike following the accompanying instructions. I've also installed new Tiagra levers. There is not enough adjustment in the brakes to allow ...
8
votes
4answers
4k views

How do I get my brakes to stop squealing

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 ...
5
votes
6answers
4k views

Is there a reason for brakes to be reversed in bikes with Hydraulic Brakes?

I recently bought a MTB with Hydraulic Disk Brakes, and am finding really hard to adjust with the braking system. From the very beginning I was cycling with Front brakes on right hand. But now its ...
6
votes
2answers
406 views

Replacing brake system on a bike

Is it possible to change the braking system from rim brakes to rotary. I want to replace them because I hate how after a while the pads wear out and I need to replace it so I think the rotary might be ...
0
votes
2answers
191 views

Which brake posts do I need?

I have a Schwinn Rocket mountain bike with front and rear V-brakes. While removing the rear brakes to be replaced with higher quality ones, I managed to twist one of the brake posts out of the frame ...
1
vote
2answers
177 views

installing brand new cartridge brakes, something seems fishy

So I am installing a brand new cartridge brake pad assembly on my mountain bike. I noticed that the brakes have a left and right written on them so i install them properly. What seems fishy to me is ...
4
votes
2answers
712 views

Rollerbrakes very noisy when used

One of my bikes has "rollerbrakes" (commuter bike). When I brake very gently, they work silent. If I squeeze the brakes a liiitle more, I hear a terrible metal to metal screaching sound. It makes ...