All Questions
Tagged with brakes hydraulic-disc-brake
132
questions
5
votes
1
answer
742
views
Should I replace my disk brake calipers?
I have a pair of Shimano Deore BR-M615s on my mountain bike with about 3,000 miles and 5 years on them. Lately I've noticed that both brakes have too long of "pull" before providing braking. ...
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 ...
0
votes
1
answer
2k
views
How to adjust brake level movement on hydraulic brake?
My bicycle has Tektro Auriga hydraulic disc brakes. I can adjust how far the level stitches out with a small screw (see here, figure c2).
I was wondering if it is possible to adjust how much the ...
0
votes
0
answers
42
views
I require advice on a recurring problem with my brakes
I've had a bike with hydraulic brakes for about six months now, and have a problem with the brake just losing power. I think it's fluid being lost.
This is a question I asked earlier
Something wrong ...
2
votes
1
answer
4k
views
I would like to upgrade my Shimano disc rotors from 160mm to 203mm. How to pick the right rotors?
My bicycle came with the BR-MT200 (https://www.bike-discount.de/en/buy/shimano-br-mt200-disc-brake-set-721603) brake set: hydraulic levers, 160mm rotors.
I'd like to upgrade to 203mm, but I don't ...
7
votes
2
answers
14k
views
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 ...
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 ...
0
votes
2
answers
6k
views
Upgrade 160mm to 200mm disc brake rotor
I want to upgrade my mtb's front brake to a 200 or 203mm brake rotor.
current setup (180mm):
My front fork's posts are for a 160mm rotor (without any adapters/brackets, with the brake caliper bolted ...
1
vote
0
answers
84
views
Differences and effects of brake lever offset
I've seen some flat bar brake levers where the the pivoting plane of the lever blade is offset and not in line with the center of the handlebar's cross section.
What's the purpose for such design? ...
2
votes
1
answer
368
views
Clamp width of new Shimano brake levers
Can anyone measure the width of the clamp (the dimension parallel to the bar) of the new XT M8100 12 speed Shimano brake levers?
I want to know the amount of 'bar space' the clamp takes up.
The ...
1
vote
1
answer
150
views
Is master cylinder hydraulic fluid level critical (Shimano)?
I managed to successfully bleed a Shimano hydraulic brake but used an improvised kit instead of the official Shimano one. Since I used a regular syringe instead of the funnel+plunger system which may ...
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 ...
0
votes
1
answer
821
views
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.
0
votes
1
answer
1k
views
Shimano MT500 leaking from bleed port
My rear Shimano MT500 hydraulic disk brake has acting up for a while. After doing a full bleed and new set of pads it would be fine for about 2 weeks then start rapidly losing performance and ...
1
vote
1
answer
826
views
New hydraulic disc brake has less stopping power than old rim brake—why?
Recently, I upgraded to a Rockrider 540 bicycle. My previous bicycle (a similar but simpler model) had rim brakes, this one has hydraulic disc brakes.
On the new bicycle, the stopping power of the ...