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

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89 views

Safety of old brakes

I found an old bike and I am not experienced with bikes. I am wondering if these brakes need to be changed: I am not sure if this is in all bikes, but the mechanism of the brakes looks too old to ...
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2answers
802 views

How do I tell the size of my braking discs?

Looking to replace my hydraulic disc brakes but intend to use the old discs. How do I tell the size of the discs to ensure I purchase the right brakes?
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2answers
162 views

Rubbing disc brake caliper

Finally I bought my new hydraulic disc brakes (Shimano M-446) and installed it on my bike . It was a little difficult to adjust the calipers , because the space between the pads is smaller than on my ...
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1answer
540 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 ...
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2answers
423 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 ...
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1answer
430 views

Do I need better “springs” on my disc brakes?

After 20 years commuting on old/cheap bikes, I finally evolved up to a nice solid touring rig with cable disc brakes (Avid BB5). I love the bike and the brakes. They're much easier to maintain, ...
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1answer
151 views

Cane Creek Drop V cable compatibility

Are Cane Creek Drop V levers compatible with road brake cables or MTB brake cables? Specifically, road cables and MTB cables have different nipples that sit in the brake lever, and I need to know ...
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1answer
269 views

Are faceplates for different shimano brifters compatible?

I got a used brifter and the faceplate fell off. I am pretty sure it was a 105. It works well enough but it looks shitty. Does anyone know if I can just order whichever shimano brifter faceplate, and ...
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2answers
134 views

Burping v/s bleeding hydraulic disc brakes: is it safe?

I found a method for burping (get the air out of the circuit) hydraulic disc brakes in YouTube (see here). The method is: 1) Rotate/move the hand lever assembly until the reservoir cap is facing up ...
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1answer
97 views

Recessed brake pivot nut stuck in carbon fork

The recessed pivot nut for my front brake calliper (no. 4 in this diagram) has seized inside the fork. I've managed to remove the brake calliper itself by unscrewing it from the front, but the nut is ...
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2answers
139 views

What will I need to consider when modernizing a pre-1990s steel frame? [closed]

I'm in the process of upgrading a well loved 1970s steel frame from a downtube shifter system to a modern 'brifter' system. Through this process I've had to look at many disparate sources to get ...
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1answer
274 views

Are cross brake levers with compact drop bar redundant?

I currently have traditional drop bars and cross (interrupter) brake levers. I like the interrupters and use them a lot. But I'm going to get a compact drop bar (FSA Omega Compact bar on order), and ...
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1answer
140 views

Caliper drop for bike conversion

I'm trying to work out if my current brakes are long enough to work with 700C wheels (ie 622mm rim), rather than 630 (27"). The question I have is, will the wheel sit at the same point in the ...
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1answer
1k views

Use of Shimano long-reach calipers with “New Super SLR” brake levers/shifters

So my bike has Shimano Tiagra ST-4600/4603 brifters (it's a triple) but is fitted with long-drop BR-R451 calipers. In theory, these should be incompatible because of the change in cable pull ratio, ...
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1answer
191 views

Koolstop set compatible for folding bike?

Is this Koolstop Road Pad Holder and Brake Pad Set compatible for folding bike ? My bike is using Dahon Speed P8.
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3answers
311 views

drum brakes and drop handle bars

I have sturmey archer xfdd and xrd5. Which brake lever are suitable for these and drop handle bars. The cable is road type with a barrel rather than a nipple.
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1answer
1k views

loose brake calipers

I have some dia compa ac 500 brakes on an old road bike. While the calipers are installed on the bike, with everything tightened, I can move (rotate) the calipers side to side with my hand. I've ...
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1answer
286 views

When do my brake pads need replacement?

I have a bike that is almost two years old. It still has the original brakes (side pull caliper brakes), which seem to still be functional. However, they are worn and I am going to be doing a lot of ...
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1answer
130 views

How much better are ceramic rims at wicking away water

I assume the best advantage to ceramic rims would be the ability to shed water easier due to their relative flatness. How much better are they? Does it make that much of a difference when breaking?
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3answers
800 views

Thinking of upgrading my brakes to these, is there an issue with “mushy” braking?

I want to get these in combination with new levers for my bike, but under the description it says: "Use of these calipers with standard SLR enabled STI and brake levers results in a "mushy" brake ...
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2answers
378 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 - ...
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2answers
668 views

Rattling of a Shimano Nexave roller brake

In a suspended fork I use a Shimano Nexave BR-IM75-F roller brake and the cooling disc of the brake is not tighly fixed on the hub and it was like that since I got the roller-brake installed. I'm not ...
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1answer
222 views

My hydraulic MTB brakes squeal after I cleaned my bike

My hydraulic MTB brakes stated to squeal after I washed my bike why?
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1answer
325 views

Replacing 'cone nuts' on a damaged coaster brake

I'm attempting to refurbish a bike that I was given, it has a (not sure what brand) coaster brake, which according to sheldon brown's site has a peculiar kind of cone nut. The wheel might be 10 years ...
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1answer
2k views

Adding disc brake to a bike without rear disc brake mounts

I'm seeking advice on how to install disc brakes on a bike that does not have rear disc brake mounts. The bike I have is the Trek 7.1 FX. Does the Trek 7.1 FX have the mount for installing disc ...
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2answers
164 views

Do DC HUB Motors For Electric Bikes use regenerative braking?

Or do I need a special control circuit aside from the included electronics?
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4answers
203 views

Do these pads look contaminated?

These are the front brake pads of my bike. Lately I've seen a decrease in stopping force and some shudder when braking at low and very low speeds. I took them apart and they look like this: Do ...
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1answer
388 views

Rear V-brake pivots (cantilever studs) asymmetrical on Specialized Hardrock XC 2004 - how to fix?

This is a bit weird question. I bought a Specialized Hardrock XC used bike cheaply on e-bay. It had no front brake and the rear v-brake had different arms and was very dodgy. I thought I would able to ...
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1answer
258 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 ...
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2answers
237 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 ...
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1answer
214 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 ...
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3answers
725 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 ...
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1answer
952 views

Brake cable housing doesn't attach to lever

I got a new bike but the front brake doesn't work. I tried reading up about the brake system on line and learned quite a bit (they're cantilever brakes). But I am missing something elementary and ...
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3answers
300 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?
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114 views

Mystery item broken on old Dawes. Help!

I was adjusting rear brakes last night and this little thing snapped in half (see image [right]). The linear indent holds my brake cable in place and a 5mm bolt holds this in place. I guess I need to ...
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1answer
103 views

Vintage Campagnolo hood

I'm looking for a Campagnolo hood like the one in the photos below. Will the newer ErgoPower hoods fit? If not, what should I do?
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2answers
281 views

changing disc brake pad material while keeping same rotors

I would like to know what effect changing the material of a set of disc brake pads would have on the rotors if you kept them the same. for example, If I have resin pads and have been using them for ...
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1answer
197 views

What is the matter with this Shimano disc brake lever?

I got the BR-M445L + BL-M505L a month ago. I am new to hydraulic disc brakes, so I can't tell if there is any problem with air in the system or other problems. Asked a mechanic and he said the brake ...
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0answers
145 views

Can I put standard drop brakes on a MASI drop handlebar?

I've got a set of handlebars from a MASI Uno. I'd like to know if I can put standard drop bar brakes, similar to these (ignore the interrupter brakes and bar end shifter for now). The MASI bars ...
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2answers
551 views

Cantilever brakes for older narrow fork bosses (55mm)?

I have an 80s cyclocross frame I am restoring. The fork's cantilever bosses are spaced at 55mm - much narrower than the modern standard (around 70mm I believe). I tried to fit a pair of Tektro ...
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2answers
787 views

The quick release on my shimano sora brakes pops open during braking

Occasionally, when using my bike with shimano sora brakes on the front and rear, the quick release will pop open during braking, reducing my braking power. Is there some way to prevent this? Is it ...
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1answer
117 views

New Shimano m615 rear caliper fails and stops biting the rotor after 30 seconds of extreme downhill

I never had this problem with my Hayes stroker trail. It only seems to start working after I stop for a minute or two. I am riding 30% grades so a lot of force for the short time period, then the ...
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2answers
130 views

How do you tighten Shimano disc brakes?

I have just brought the Trek Fuel ex8 (on Christmas) and already the back brake is squeaking. Also both the front and back are not very sensitive and are not stopping the bike very well. I've looked ...
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1answer
138 views

Caliper bolts after crash: repair or replace?

A few days ago, I was looking down checking out my crank while riding and drifted into the LA River Bike Path and ended up crashing bending my front brake caliper. Can the recessed bolt that holds ...
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2answers
2k 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 ...
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4answers
661 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 ...
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1answer
76 views

What causes brakes to perform worse when the bike is loaded?

I adopted a thoroughly abandoned Univega Super Strada from somewhere in the '80s or '90s. It has Shimano caliper brakes in good condition with pads that are worn but still have plenty of the indicator ...
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4answers
188 views

Bike too big for me

I bought a bike online based on a recommendation that a 56cm frame would be ok for me (I am 5ft 10, with 30" inside leg). However I think it is slightly too big. I have to lean forward a lot and my ...
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1answer
177 views

Brakes feel like they are not even there on my used road bike. How can I fix it?

My friend gave me his old sanwa road bike that had been sitting in the snow for about a month. It looks like the one from the 1979 movie "breaking away" but with a different color and brand (to give ...
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2answers
90 views

How important is centring dual-pivot brakes?

My road bike has Shimano dual-pivot caliper brakes like these. Whenever I remove or refit the mudguards, or even sometimes just getting the wheel out, they seem to go slightly off-centre, by which I ...