All Questions
Tagged with brakes disc-brake
214
questions
1
vote
1
answer
71
views
Brake problems (need adjustment too often)
I've been having problems with my bicycle brakes for not a short time and I've been having it with a couple different bikes. The brakes get loose after 1-2 weeks. I deliver with my bike so I use it 50-...
6
votes
2
answers
215
views
How to temporarily plug hydraulic brake hoses to route them through frame without leaking fluid
Is there a way to temporarily plug and seal hydraulic disc brake hoses as well as hydraulic dropper post hoses, before installing them or removing them from a frame? The idea is to keep things tidy ...
4
votes
2
answers
647
views
Disc Brakes disengage when braking, why does this happen?
I have a fairly heavy e-bike and I'm a fairly heavy rider. My bike has mechanical disc brakes, and around 5 months ago I was having an issue where the brakes became useless, as in when I applied them ...
14
votes
4
answers
2k
views
Is this brake mounted incorrectly?
A friend of mine just got her bike back from the store after getting new brake pads, a new fork and a new cassette. After riding a few meters I noticed a weird behaviour while using the front brakes ...
1
vote
1
answer
1k
views
TEKTRO Road Bike Mechanical Disc Brakes MD-C550 Pads
About TEKTRO Road Bike Mechanical Disc Brakes MD-C550 pads
I search the internet for replacement and all results shows the model: E10.11
and in the compatibility chart it does not for the MD-C550
...
0
votes
1
answer
566
views
SRAM force axs brake judder/shake/vibrate
I have problem with my SRAM force axs brakes, I bought new disc brake rotors and as well brake pads, cleaned it all changed it, but yet when I brake it just totally judders or vibrates it just doesn’t ...
6
votes
3
answers
535
views
What are the failure modes of the brake rotor worn beyond limit
Background
I have been maintaining two bikes for a few years. Both have disk brakes. One has around 10 000 km on it another one is well over 35 000 km. The disks on the bike with 35k+ are now reaching ...
0
votes
1
answer
613
views
What are the exact dimensions of Shimano disc brake split (cotter) pins?
What are the exact dimensions of Shimano disc brake split (cotter) pins, such as part nr. 25 (Y8DB06100) on BR-MT410 caliper (https://si.shimano.com/en/ev/BR-MT410-4663)?
Looking to buy generic ...
16
votes
1
answer
3k
views
Why are disc brakes (disc & caliper) always installed on the left side of the bicycle?
When reading the question Front tire and downtube are extremely close, I realized that disc brakes (referring to the assembly of brake disc and caliper, not the brake levers) are always installed on ...
10
votes
2
answers
2k
views
Do we need to repeat the bed-in process for disk brakes after replacing only the pads?
I know that we need to go through the bed-in process when installing a new disk, but what about when changing only the pads?
Technically, the surface of the disk has already been prepared with the ...
-1
votes
1
answer
98
views
Mechanical bike disc brake caliper lever
Where can I find a data sheet for this part? I want to know if there is a magnification factor between the force which acts on the disc brake by pads, and the force that I pull the wire with, as I ...
7
votes
5
answers
282
views
Braking system conversion for Pashley Cargo Bike
I've picked up a Pashley Classic No.33 cargo trike and am turning it into a coffee trike. Once I've got an extra 120kg + my weight on there I'm aware I'm going to need a pretty good braking system. It ...
4
votes
2
answers
399
views
Is it normal for resin brake pads to contain small amounts of metal?
I just bought these brake pads from amazon (the resin variant, NOT the semi-metallic variant, see picture), and even though they are supposed (?) to be non-metallic, I can see small amounts of a ...
0
votes
1
answer
119
views
Which Banjo bolts do I need for Zee M640 calipers?
I've just ordered a set of Zee M640 calipers to replace the old BR-M596 2 piston calipers on a bike I bought recently.
While looking for other parts I need I noticed that the calipers don't come with ...
3
votes
2
answers
1k
views
Immense difficulties bleeding a shigura setup
I set up a shigura system with BL-M8000 levers, MT5 and MT4 Callipers and Magura hoses and shimano parts on the lever end. But I couldn't get even a decent bleed on them. I tried a couple of ...
5
votes
2
answers
432
views
Brake or Wheel Click under braking
I have a clicking from my rear wheel (sometimes in the front too), when applying my brakes. Sounds similar to a aluminum can tab being snapped, or can being flexed.
Product
Brand
Model
Caliper
...
3
votes
2
answers
477
views
Why aren't mechanical disk brakes self-adjusting?
Hydraulic disk brakes usually adjust for pad wear via special seals that allow the pad to "creep" closer to the brake disk as they wear down. It seems that such seals could equally well be ...
8
votes
1
answer
620
views
How do hydraulic interrupter brake levers work?
It has come to my attention that interrupter-style levers are available for hydraulic brakes now.
By interrupter lever, I mean those levers which can be mounted to the same cable on an alternate ...
13
votes
3
answers
3k
views
Are brake calipers directional?
I'm interested in putting a discs brake on the right side of a bicycle. The goal is to have dual front discs, similar to how motorcycles often use double front brake discs.
I can buy or make a custom ...
1
vote
2
answers
295
views
Mechanical Disk Brake Pads Too Thick
I decided to replace my front brake pads since they are worn out beyond function. So after removing the old pads, I made sure the piston was fully out, and the adjusting screw was fully tight as well, ...
17
votes
9
answers
5k
views
V-brake vs hydraulic disk-brake - which is more environmentally friendly
Let me start the question by saying that I have a pretty good impression of the advantages of disk brakes vs. V-brakes, so I'm not asking about performance comparisons.
I'm MTB-ing several thousand ...
9
votes
4
answers
2k
views
How do bicycle brake manufacturers balance their products' physical limitations?
This question is valid for both mechanical and hydraulic brake systems.
Premises:
The human hand has a threshold value for what a comfortable level of squeezing force is, which will decrease with ...
5
votes
1
answer
4k
views
Brake pads keep getting contaminated - how to diagnose?
(see updates at the bottom)
My bike uses Shimano hydraulic disc brakes. I can't find any markings on the calipers or handles, but the manufacturer's website says they're BR-M315.
Over the past few ...
8
votes
3
answers
3k
views
Removing wd40 from disk brakes
I sprayed WD40 on my disk rotor and now my rotor and pads are contaminated and now my rear brakes are practically useless.Is there any way to fix the problem without swapping out the brake pads and ...
0
votes
2
answers
240
views
Is it worth switching from V brakes to disc brakes? [duplicate]
The bike that I am getting has v brakes and I was wondering if it would be worth the money to get disc brakes for it. Can someone please help me here?
2
votes
2
answers
511
views
Avid Jucy 3 Piston Removal (seized)
I have a set of Avid Juicy 3 calipers that I have sucessfully replaced the pistons and seals on. Getting the pistons out of one of the calipers was not so easy though, and I ended up drilling the ...
3
votes
4
answers
1k
views
How to increase brake responsiveness on Microshift style STI brifters paired with mechanical disc brake
I have a set of microshift style STI brifters. They are paired to a generic brand mechanical brake set on a Kent Nazz gravel bike.
I can't seem to get the brakes to be as responsive as I would like. ...
1
vote
0
answers
117
views
Disk brake issues
I’m new to disc brakes and noticed my braking power decreasing. Took the pads off and they look like this. Do these lines indicate anything? What is a used disc brake pad supposed to look like? What’s ...
2
votes
2
answers
614
views
Fixed piston on promax render r caliper doesn't adjust up or down
I have a bike setup with Promax Render R disc brake calipers. They use mechanical action to brake (no fluid). There's an active piston that's actuated by the brake lever, and a fixed piston that sits ...
9
votes
3
answers
4k
views
Front brake causes violent shudder
My bike is equipped with disk-brakes. It also has a fork with suspension.
When I apply the front brake, my fork vibrates violently, as can be seen below:
I've adjusted ...