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Questions tagged [hydraulic-disc-brake]

Hydraulic disc brakes use fluid (either mineral oil or automotive brake fluid) to transmit brake pressure from the handlebar levers to the disc brakes on the wheel.

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7 votes
4 answers
3k 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 ...
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3 votes
3 answers
14k 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?
yeforriak's user avatar
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3 votes
1 answer
10k views

Can you add oil to a hydraulic disc brake reservoir without bleeding the brakes?

Is it possible to add oil to the hydraulic disc brake reservoir to increase the stiffness of the lever, without bleeding the brakes?
user1049697's user avatar
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12 votes
9 answers
30k views

Is there a reason for levers to be reversed on bikes with hydraulic brakes?

I recently bought a MTB with hydraulic disk brakes, and am finding really hard to adjust to the braking system. From the very beginning I was cycling with the front lever on the right. But now it’s ...
Starx's user avatar
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4 votes
1 answer
4k views

Front brake lever will not stay tightened

I have a 2011 Trek Cobia with Hornet brakes. About an hour and a half into my trek through the woods this morning I noticed that (once again) my left brake lever was hitting my knuckle when I fully ...
Joe McMurtrey's user avatar
1 vote
3 answers
379 views

Which rotor, Steel or Titanium comes with Avid CODE brakes?

I just bought Avid CODE brakes. It comes with a rotor (200mm). I checked the website and manual and I can't find out if the rotor is stainless steel or the titanium version. How can I tell? ...
Valamas's user avatar
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3 votes
2 answers
2k 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 ...
Warren Burton's user avatar
13 votes
4 answers
19k views

Do I need to replace hydraulic fluid in my brakes?

I've had my bike (GT Avalanche 1) for maybe four or five years now. I've changed the pads once, removed and cleaned all parts on the bike a few times now, but I've never touched the brake fluid. ...
Mick Sear's user avatar
  • 479
1 vote
1 answer
15k 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 ...
Soumen's user avatar
  • 113
7 votes
3 answers
30k views

How do I cut hydraulic brake hose without expensive tools?

I've seen some expensive hydraulic hose cutting tools for over $100, e.g., the "SRAM PitStop Hydraulic Hose Cutter Tool". I just want to cut the two new brake hoses I have now, so I don't ...
Jason S's user avatar
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15 votes
6 answers
47k 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 ...
Frantisek's user avatar
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22 votes
5 answers
102k views

How often should hydraulic 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 (...
Richard's user avatar
  • 579
2 votes
4 answers
2k 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 ...
Jon's user avatar
  • 507
8 votes
3 answers
4k 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 ...
DavidMasters84's user avatar
8 votes
4 answers
10k views

Can I put bullhorn bars on a bike with hydraulic disc brakes

The most comfortable bike I've ever owned was a road bike with bullhorn (aka pursuit) bars. I actually had a pair of STI levers on it, mounted upside down (with the handles pointing forward). They ...
stib's user avatar
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42 votes
6 answers
224k views

How do I separate hydraulic disc brake pads after pulling the brake while the wheel is off?

I take the front wheel off my mountain bike to get it in my car. When I get it out and try to put the front wheel back on, the space between the brake pads isn't wide enough for the rotor. Whoops! I ...
Phil Hale's user avatar
  • 1,571
35 votes
7 answers
29k views

How do self-adjusting hydraulic disc brakes work?

I have Avid Elixir brakes on my mountain bike. They are the only part of the bike that's a total black box to me. I understand the principle behind disc brakes, and I understand the principle behind ...
Benson's user avatar
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6 votes
4 answers
5k views

Why would hydraulic disk-brakes become sluggish in cold winter? Just an incident or due to the cold?

Related question, I haven't bled the brakes (again a possible error). I bought the bike as second-hand and the seller said that the mineral oil cannot be the problem. He said that the mineral oil in ...
user avatar
5 votes
1 answer
2k 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 ...
fettling_monkey's user avatar
3 votes
1 answer
638 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 ...
wonea's user avatar
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6 votes
2 answers
1k views

What is the difference between DOT brake fluids?

I know that the two main categories are the mineral oil (Shimano, Magura) and the DOT type (Avid, Hayes). But what is the difference between the DOT 3, DOT4, DOT 5.1? Which one should I choose for ...
csadam's user avatar
  • 336
5 votes
1 answer
5k 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 ...
Bizee Biker's user avatar
9 votes
1 answer
1k views

Tips for Bleeding Hayes Brakes

Does anyone have any tips for bleeding Hayes brakes? I have some Hayes Stroker Ryders and bleeding them is less than fun compared to bleeding my Avids. Do they make any syringes for bleeding the ...
Geoff's user avatar
  • 1,389
9 votes
2 answers
864 views

How do I change my disc brake pads?

How do I change my disc-brake pads? How do I avoid letting the fluid out?
Johan Dahlin's user avatar
  • 2,908
17 votes
2 answers
8k views

Hydraulic Disc Brakes Maintenance

I have Hayes Nine hydraulic disc brakes on my mountain bike. I have recently replaced the brake pads and after that it seems that the pads are almost touching the rotor. How can I adjust it? I have ...
kristof's user avatar
  • 941
15 votes
5 answers
7k views

What type of brakes are best for mountain bike racing?

Disc brakes are more expensive than v-brakes, but in a heavy rain they will break down. V-Brakes are becoming harder to find, but they're much easier to maintain and don't break down as easily. What ...
Johan Dahlin's user avatar
  • 2,908

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