All Questions
Tagged with brake-levers hydraulic-disc-brake
36 questions
2
votes
1
answer
86
views
Replace lever for hydraulic brakes
I was moving my mountain bike in a moving van, and the the brake lever was damaged in transit.
The brake is a tektro hydraulic, and it is the Front brake.
The connector to fluid tube is gone but no ...
0
votes
0
answers
47
views
Hydraulic road levers bleeding not working
a long time reader here that was usually able to find an answer, but not on this one. I've done some basic and slightly more advanced fixes and part replacements on bicycles, but I've never installed ...
- 123
4
votes
3
answers
1k
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 ...
- 143
3
votes
2
answers
3k
views
Why is my brake lever loose on my hydraulic disc brake i took my wheel off and pressed the brake now the brake lever is loose and touches the grips
What i did in order :
cleaned the brake pads
-put them back in
pressed the brake lever
pushed the brake pads inwards
put the front wheel on
Now as a result of this the brake lever is loose
- 31
1
vote
0
answers
420
views
Cross (also called in-line or sub) brake levers compatible with SRAM Apex
Does somebody know of cross/in-line/sub brake levers compatible with SRAM Apex? Could the Shimano GRX sub brake levers perhaps work?
See https://bike.shimano.com/en-EU/product/component/grx-11-speed/...
-1
votes
1
answer
101
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 ...
10
votes
2
answers
1k
views
Shimano Dura-Ace R9120 lever leaking
My bike's Dura-Ace R9120 rear-brake/front derailleur shifter (left shifter in UK) leaks brake fluid when I pull hard on the lever. It leaks from this specific place:
I understand this lever is ...
- 251
2
votes
0
answers
295
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 ...
- 185
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 ...
- 185
1
vote
2
answers
1k
views
Bleeding brake lever impossible (sucks air)
I did the bleeding procedure for my Avid Elixir CR (hydraulic disc brakes), following the Avid service manual. While performing the last step, bleeding the lever, it seems that air was sucked in from ...
- 111
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 ...
- 185
11
votes
1
answer
1k
views
Ultegra ST-R8020 Lever: crack near brake hose interface
I have a bike with a left ST-R8020 hydraulic disc Ultegra lever, and I just noticed a large radial crack on a what seems to be part of the brake connection path (see picture). The crack seems to ...
- 1,114
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 ...
- 21
7
votes
2
answers
594
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 ...
- 1,077
2
votes
1
answer
2k
views
How to reduce brake lever rattling sound at the pivot pin either by a fix or by replacement?
Context
I have a Merida Speeder 200 with a Shimano MT-200 hydraulic brake system, which uses BL-MT200 levers.
Over time these levers have developed a rattling sound. It appears to come from the lever ...
- 2,331
2
votes
2
answers
3k
views
Is losing power when pulling Shimano GRX lever a bleed problem?
Recently I had an accident on my bike, and my front brake 11-speed, front brake GRX 600 shifter isn’t braking well anymore.
The shifter took a bit of damage in the fall. Initially it didn’t shift, ...
- 123
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 ...
- 1,595
0
votes
1
answer
1k
views
Tektro HD-M290, change to a dropbar lever configuration. Which levers are compatible?
I want to change my cowboy flat handlebar to a drop bar. I have Tektro HD-M290 brakes and I'm searching for a compatible model of drop bar levers.
The bicycle has automatic speeds, so I just need ...
7
votes
3
answers
10k
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 ...
8
votes
6
answers
11k
views
What and where is the weeping port on Shimano MTB brake levers?
I understand that when you overfill some models of Shimano hydraulic brakes with oil, the excess will flow out of a one-way valve called weeping port, but cannot find any technical documents, pictures ...
- 746
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 ...
- 141
4
votes
4
answers
8k
views
Hydraulic disc brake - lever compatibility
I purchased a gravel bike with drop handlebars, mostly for commuting and maybe for some weekend bike camping trips. I've only ever ridden mountain bikes with flat bars in the past, but I figured I'd ...
- 41
3
votes
1
answer
638
views
Shimano Alfine lever does not seem to pump oil into the hose even with reservoir full
I am trying to refill a Shimano Alfine BR-S500 disk brake system with oil. I have filled the reservoir with mineral oil...
And am repeatedly squeezing the lever, but it feels like no oil is getting ...
- 561
1
vote
1
answer
431
views
Hydraulic Disc Brake (how to choose correct model)
I recently broke off the lever of my front brake and am looking for a replacement lever or front brake. Need some input/suggestions from more experiences riders.
Some of my questions:
What are the (...
1
vote
0
answers
86
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? ...
- 1,315
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 ...
- 1,315
3
votes
3
answers
354
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 ...
- 31
1
vote
1
answer
139
views
Where to find replacement Clarks Skeletal right brake? [closed]
I had completely fixed a stuck piston, when I bloody managed to perfectly snap a reservoir screw so I have no chance of removing it. I’ve had a look online, but I can’t find anywhere selling either ...
3
votes
2
answers
3k
views
Can I swap front & back brake levers on Shimano ST-RS685? (hydraulic road disk brakes)
I have Shimano ST-RS685 hydraulic disk brake set.
I'm used to having front brake lever on the right and rear on the left. (UK).
But this bike has front on the left and rear on the right.
Is it ...
- 339
9
votes
3
answers
12k
views
Can a Shimano XT (mountain) hydraulic disc brake caliper be used with an Ultegra STI road brake lever?
Specifically, is the XT BR-M8020 mountain caliper compatible with an Ultegra hydraulic road brifter like like the ST-R8020 or ST-R8070?
I have confirmed that they both use BH90 brake hose ("high ...
- 175
0
votes
1
answer
99
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 ...
- 109
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 ...
3
votes
3
answers
6k
views
How to tighten SRAM HRD Rival brake lever?
I have SRAM Rival HRD brake/gear shifters on my cross bike. It's a 1X setup.
The left brake lever (this is the UK where rear brake lever is on the left, so it's the rear brake lever only) has lateral ...
- 223
9
votes
2
answers
3k
views
Shimano Hydraulic brake 90-degree angle hack
Does anybody know of a way to get Shimano Hydraulic brake hoses to exit the levers at a 90-degree angle?
I ride a recumbent and at the moment I have to put up with a huge loop in front of my eyeline ...
- 91
1
vote
1
answer
1k
views
Shimano M355 brake handle parts
My son has a Diamondback Recoil Comp MB with Shimano M355 brakes. The rear brake lever got messed up somehow. The snapring that holds the plunger/piston into the master cylinder assembly got popped ...
- 11
6
votes
1
answer
3k
views
Shimano Hydraulic disc brakes- Lever compatibility
I am looking for practical advice on compatibility between various Shimano hydraulic disc brakes, especially the lever assembly. Currently I have two separate sets, one M446 Left lever, attached to a ...
- 705