Brakes with a disc near the hub and calipers that grip that disc.

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5
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1answer
467 views

Brand new disk brakes are barely stopping the bike

I just built a mountain bike with Avid BB7 brakes and Shimano V-brake levers. I used the exact same configuration on another bike, and it worked beautifully. But on this one, the brakes are just weak ...
3
votes
5answers
3k views

A bike for city commute - disc brakes, bar-end shifters, tires

I'm planning on buying a bike for city commute. My commute to work is approximately 12km (7.5 miles) one way. I live in Vancouver which means: I'll be riding in rainy weather frequently. I'll be ...
12
votes
3answers
6k views

Why are single-speed bikes with disc brakes hard to find?

I've been looking around for bikes (decent frame & components), and find that hybrids do have disc brakes (hydraulic), but are never single-speed. While single-speed bikes typically have ...
3
votes
2answers
3k 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 ...
3
votes
1answer
376 views

Is my disc brake caliper correctly mounted on the frame?

I have been in the process of upgrading my bike a bit. A friend of mine convinced me to upgrade my brakes from my stock Shimanos to some disc brakes. After having a look around and asking question, I ...
4
votes
3answers
13k views

Can you put disc brakes on road forks originally intended for calipers?

I've decided I want a disc brake, at least on the front, which seems a good enough reason to go bike shopping, but am I overlooking the possibility of fitting a cable pull disc brake to my current ...
5
votes
3answers
4k views

Rear hydraulic disc sticking

My 2012 Model Scott Sub 10 has recently been experiencing issues with the rear disc sticking on my daily commute and getting so bad that I have to stop, wait for it to cool and then push the disc a ...
2
votes
2answers
2k views

How to deal with long pre-bled brake line?

I bought and installed a set of pre-bled hydraulic brakes onto my bike to replace the mechanical discs that came with it. My future plan is to buy a new bike, transfer the brakes to my wife's bike and ...
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 ...
3
votes
1answer
1k 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 ...
2
votes
2answers
2k views

Can I run a wheel with a 130mm hub on a mountain bike with 135mm spacing?

I'd like to build a wheelset that would work on my cross bike or my 29er, assuming I had disc brakes on the 29er and rim brakes on the cross bike, is there any way I could use a 130mm hub (that fits ...
2
votes
1answer
398 views

Tubus Rack Compatibility on a 29er With Discs

I have a Trek 520 with a Tubus Tara rack on the front and a Tubus Cargo (not the newer Evo model) rack on the rear. I'm thinking about trading in the 520 for a 29er with disc brakes, probably a Salsa ...
0
votes
1answer
161 views

How to loosen cable tension in disc brakes

I have a Victory VEGASJACKPOT bike with cable disk brakes, and I need to loosen my cable tension. How do you do this? I've already done it all the way on the screw/knob by the brake lever. Thanks!
15
votes
3answers
18k views

Hydraulic Vs. Mechanical disc brakes

What is the difference between hydraulic and mechanical disc brakes? Are hydraulics more reliable? Or more powerful? All I know (I'm an amateur and a new user) is that hydraulics seem to get more ...
2
votes
1answer
251 views

Fixed (inside) front disk brake adjustment

I got a new bike for Christmas (12-25-12) and it is a VICTORY VEGASJACKPOT w/medium-travel front fork and full suspension. The front disc brake rubs against the inside pad (the one on the fork side of ...
7
votes
4answers
1k views

Would hydraulic disc brakes be easier on my hands than mechanical disc brakes?

I ride MTB in a coastal town where all roads are dirt roads with lots of uphill/downhill. Nothing extreme, I just ride to relax and enjoy the landscape. I have mechanical disc brakes and after a 2-4 ...
5
votes
6answers
9k views

Adjusting disk brakes after taking off the wheel

I recently took off the front wheel off of my mountain bike, and have been having considerably difficulty getting the front wheel on the right spot such that the wheel doesn't rub against the brake ...
3
votes
3answers
2k views

could I mount a different manufacturer brand rotor to use with my brakes?

I've a tektro draco hydraulic brakes on my mtb and I would like to know if it is possible to mount a different brand rotor to use with my brakes?
1
vote
1answer
418 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, ...
5
votes
3answers
2k views

Can I run rim brakes on a disc rim?

I'm trying to buy a front wheel which will work with both disc and rim brakes so that I can use it on my cross bike (with rim brakes) and my mountain bike (with disc brakes) with a dynamo hub to power ...
3
votes
2answers
1k views

Is a pad spacer needed when installing disc brake pads?

I need to replace my disc brake pads on my Shimano XT brakes. This seems like a pretty straight forward procedure, and I have all the tools needed except for the pad spacer. Do I need this to install ...
4
votes
3answers
252 views

Disc brake freezing at end of ride

At the end of my last ride the back brake started rubbing hard on the disc. It almost feels like the brake cable had popped out of the lever. The bike is relatively new to me, and I am not very ...
2
votes
2answers
649 views

Ferrule to mount hydraulic disc brake hose to frame

Is there some kind of ferrule(or similar) that can be used to fasten a hydraulic disc brake hose to the braze-ons of a frame that used to have v-brakes? The hose is to thin to stick to the braze-ons, ...
3
votes
2answers
5k views

What to consider when changing V-brake for a disc brake?

The frame of this bike has the capacity for V-brakes and disc brakes. There are some problems with the rear V-brake and I am considering installing a disc brake instead (just for elevated coolness). ...
1
vote
2answers
764 views

Hayes Sole Disk Brake sudden loss of pressure.

I braked hard today and felt the pressure in my disk brake drop very suddenly. Since that point the brake has not been working with no action at the calliper and little pressure in the lever but ...
3
votes
1answer
3k views

Hydraulic disc pads binding on disc

I took the front wheel off my mountain bike and the hydraulic disc pads closed. I’ve opened them back up and replaced the wheel. However, the pads seem to now be closing up all the time and binding on ...
2
votes
1answer
10k views

How to adjust Avid Elixir 1 hydraulic disc brakes?

I have a Trek X-Caliber and the rear disc is rubbing a little. So I want to adjust the brakes so it doesn't rub and make things a bit easier of course. I see many videos about brake adjustment but ...
1
vote
1answer
325 views

Which disc brake pads do I need

I have Tektro Aigura Sub disc brakes and the pads need replacing. The only pads for this make I could find online were discontinued. Do I need to get the same make, and if not how do I know they'll ...
2
votes
1answer
808 views

How can I unbend, straighten or flatten a bent rotor?

Some possibilities, which I haven't tried: try to bend it back into shape with my hands while still mounted take off the rotor, sandwich it between a couple of wooden blocks, put some weight on it ...
7
votes
3answers
15k views

How long should MTB disc brake pads last?

I'm fairly new to mountain biking and I was able to put in around 900 miles on my first set of brake pads on my Giant Anthem X2. At that point they started grinding metal on metal. I went and bought ...
2
votes
1answer
677 views

New bike: disc brakes squeal in wet conditions when NOT braking! Normal?

I just bought a new bike, and a lot of people seem to have problems with disc brakes squeaking when they brake in wet conditions--however, mine seem to squeak the whole d*mn time. The bike is fresh ...
1
vote
2answers
388 views

Quando Brake Pads - Anyone know where I can get a pair

I have just bought a second hand Diamond Back Sorrento mountain bike, the bike is about 5 - 6yrs old apparently and needs some minor maintenance. The brakes are absolutely shot and I need to replace ...
2
votes
2answers
381 views

135mm rear end, 130mm rear wheel, Titanium frame

I'm looking at a Ti frame with a 135mm rear end, disc brake. And I have invested in wheels for my commuter, which is disc brake... but a 130 mm spacing. Is 5 mm enough of a concern -- impact to the ...
5
votes
1answer
1k views

How do I correctly align the brake disc with the callipers when replacing my quick-release wheel?

My bike's front wheel is quick-release (QR), but the rear has a traditional skewer (because of the hub gears). It also has disc brakes, and as you'd expect, there isn't a lot of clearance between the ...
3
votes
1answer
920 views

Require a star tool to remove disc rotor

I need to change my disc brake rotors. So i discover I require a star tool. Here is a picture of my rotor bolts. Can someone point out a tool that will fit this? Prefer a bike tool. To give some ...
1
vote
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 ...
3
votes
2answers
1k views

Disc brake pads - steel vs aluminium back plate

I am looking at a set of Organic Disc brake pads. The brake pads come with a steel back plate or as an aluminium back plate. Why would I choose one over the other?
11
votes
7answers
8k views

Why do my disc brakes squeal when wet?

Picture the scene... It's just been raining and you are getting ready to commute home after work, you cycle out on to the tarmac and as you do so, you notice a bunch of pedestrians push the button on ...
2
votes
2answers
1k views

Disc brake pads are loose in the calipers, is this a problem?

I recently bought a new commuting bike (Norco ccx3) which has mechanical disc brakes (Promax DSK-715 Road Mechanical Disc). Thus far I've been pretty happy with them. In the last couple of commutes, ...
7
votes
3answers
3k views

Is it worth switching from regular “rim brakes” to the new disk brakes?

I have an old Haro mountain bike I love. One feature request I have for a new bike is disk brakes. Is it possible to install disk brakes on an old bike? Is it worth it?
6
votes
5answers
4k 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 ...
10
votes
2answers
1k views

Disc Brakes: Resurface your Pads?

Is resurfacing the brake pads in disc brakes (hydraulic or mechanical) necessary? If so, what would you use to do this - medium sandpaper? I spoke to one mechanic while shopping for a bike, who ...
6
votes
5answers
17k views

How often should disk brakes need bleeding?

The brake handles for my disk brakes became very loose four months after I bought the bike. The bike shop bled the brakes and put new oil in them, which sorted it. They're feeling a bit loose again ...
4
votes
2answers
2k views

Adjusting disk brake pad positions

I have had experience on a couple of mountain bikes when I could not adjust the disk brake caliper positions far enough left or right to keep the pads from rubbing the rotor a little. Is this common ...
6
votes
3answers
10k views

Specialized Hardrock - How to stop disc brakes from squealing?

I have a Specialized Hardrock 2011 Disc brake mountain bike with a front brake that squeals when used lightly. It's OK if I use the brake hard - but I usually don't need or want to stop in such a ...
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 ...
13
votes
2answers
51k 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 ...
2
votes
1answer
318 views

How to practice jumping over cars with disc brakes and SPD shoes?

This question here raises a sub-question, to avoid accidents. I am looking for some safe ways to practice jumping over cars. I use SPD shoes and disc brakes because I have noticed that I can burst ...
1
vote
4answers
694 views

Disk brakes severely reduced in power after replacing bearings

so I am creating a few posts about bearings and wheels, (story so far): how to reassemble mountain bike rear wheel hub and bearings mountain bike freewheel hub stopped rotating I have now got the ...
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 ...