All Questions
Tagged with brakes hydraulic-disc-brake
132
questions
0
votes
1
answer
381
views
Tektro HD-M275 rear brake making grinding noises while braking
I got Tektro HD-M275 hydraulic disc brakes with 180mm rotors, front brake is working perfectly with no issues. Under light braking rear brake works normally without any noises or vibrations, but as ...
CommunityBot
- 1
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 ...
- 29.9k
7
votes
3
answers
9k
views
Hydraulic brake lever doesn't return after being released, dependent on weather
I have a pair of second-hand Shimano ST-RS685 hydraulic brake levers / shifters. Unbeknownst to me they hadn't been used for a year and had quite a bit of dirt / grit inside, which I've cleaned to a ...
2
votes
6
answers
25k
views
Alternatives for mineral brake fluid / oil (in a pinch)
In case you don't have 'original' bicycle specific brake fluid on hand (e.g. "Magura Royal Blood"), what might be a good alternative to use (in a pinch)
in hydraulic (disc) brakes? (for brakes that ...
4
votes
3
answers
844
views
Replacing hydraulic brake lever
This is my first time dealing with hydraulic brakes.
The front brake on my bike is Shimano BL-M4100 lever with MT410 caliper. I stripped the lever's clamp thread and going to replace the lever with a ...
- 15
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votes
1
answer
821
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Can I use a Shimano BL-MT200 lever on a Shimano BR-M446 brake caliper?
I have a leakage on my lever, and can't find any Shimano BR-M446s for sale. Was wondering if Shimano BL-MT200s were compatible.
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 ...
- 563
7
votes
2
answers
14k
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Pros and cons of mixed hydraulic/mechanical brakes vs pure hydraulics
Title of question is self-explanatory.
Recently, it was added to the market brakes that are an hybrid mix between the mechanical Bowden steel cable and hydraulic system, which their oil tank is near ...
- 163
2
votes
2
answers
269
views
Shimano BR-MT400 caliper upgrade?
After 2 years calipers no longer retract fully (pistons) causing annoying rubbing sound.
What options do I have to upgrade it (perhaps something more durable) providing I still want to reuse the same ...
- 65
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 ...
- 1,581
3
votes
6
answers
980
views
When does the braking power stop scaling with Rotor Size
It's commonly established that the braking power scales with rotor size, and an optimal braking technique is to provide enough force for the rear wheel just to lift up. However, my question is wouldn'...
- 420
13
votes
5
answers
9k
views
What causes and how to fix wandering bite point on Shimano hydraulic brakes?
For the last two months and less than 600 km of riding I have been using a pair of new Shimano SLX BR-M7120 "high power" 4-piston hydraulic disc brakes. Yesterday I have noticed that the bite point of ...
- 369
0
votes
2
answers
507
views
Mountain bike brake pistons not compressing when brake is pulled
I have a Shimano BR-MT201 Hydraulic Disc Brake on my rear brake. I was replacing the brake pads and accidentally pressed the brake too many times and the piston popped out leaking brake fluid. ...
- 11k
1
vote
2
answers
500
views
What to considering when replacing disc brake calipers?
I currently have an endurance road bike equipped with Shimano 105 hydraulic disc brake calipers. Since I am transforming it into a gravel bike, I would like to change the calipers to the Shimano GRX ...
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 ...
- 11k