All Questions
15
questions
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 ...
-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 ...
2
votes
0
answers
284
views
after multiple brake bleed, lever's max stiffness is still close to bar
so after a few bleeds i've done on these Shimano saints, because of new levers replacement, i've found that the rear brake lever, although on max stiffness, goes way further to the bar then the other ...
2
votes
2
answers
2k
views
failed brake bleed, lever is blocked up
My brakes are Shimano Saint.
I tried bleeding my brake to identify a problem and no fluid went through. I took the brake lever off separately and pushed water through it, still blocked so I gathered ...
1
vote
1
answer
3k
views
Brake lever suddenly lost its extra movement (extremely stiff). before the pads contact the Disk
a month back i had a crash where the brake lever got a clump of sand on it, so i washed it out with water and didn't have any problems, then one random day when i took my bike out for a ride i noticed ...
2
votes
1
answer
5k
views
My Hydraulic Brakes Always Need To Be Pumped/Burped Before Braking Sharply
So my mechanic and I bled my brakes after it always needing to be pumped before it brakes, brake fluid came out black and seemed to have metal shavings at the bottom. The only problem now is weirdly ...
7
votes
2
answers
559
views
Are clear hydraulic brake lines available for sale?
Since all brake lines are not see through, the only way to determine if your brake needs a bleed is by feeling the brakes. If they are "squishy", then you need a brake bleed.
I'm of the ...
2
votes
2
answers
2k
views
Are there downsides to cross-top brake levers? Compatible with all mechanical-hydraulic disc brakes?
I have a Genesis Croix de Fer 20 from a few years ago with the following specs:
Brakes: TRP HY-RD mechanical-hydraulic caliper w/160mm TR160 rotors
Levers: Shimano Tiagra ST-4700
I would like to fit ...
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 ...
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
2
answers
2k
views
Why are brake levers still bent in form to accomodate more than one finger?
I thought of it for a while now. Our brake levers look like this:
Why aren't they designed more like this?
Is there a purpose for the extra space? Is two-finger braking still essential in hydraulic ...
3
votes
3
answers
349
views
TRP quadiem brakes - lever not in place
Today I got my new YT Tues bike and I've noticed that front brake lever came off the piston and I have no idea how to get it in place if it is even possible? Is it defective or can I fix it? Rear ...
0
votes
1
answer
98
views
Bike brake bleed question
so after bleeding my Tektro mineral oil brakes, the brakes appear to no longer be functional. when I depress the lever until it touches the handle bars. I am still able to spin the wheel. I think it ...
4
votes
2
answers
1k
views
Interoperability of hydraulic disc brakes and levers between model lines/manufacturers
My bike came with Shimano Deore XT M765 hydraulic disc brakes and Shimano Deore XT M756 hydraulic levers Dual Control units.
I wonder whether the calipers from one manufacturer can be connected to ...