All Questions
Tagged with brakes hydraulic-disc-brake
132
questions
3
votes
1
answer
401
views
Magura brake pad change: friction noise?
After replacing my worn-out Magura brake pads (MT4 brakes, 7P brake pads), I now have a continous light friction noise when the wheel is spinning (front wheel).
The brake disc is brand new as well. ...
- 63
6
votes
4
answers
3k
views
Mechanic told me to replace the entire brake system because of "slow return"?
A bit of back story first: I bought a second-hand bike in 2020. It has SRAM Level TL installed from the start. It caught my attention that brake lever didn't return to the end and had very little ...
- 942
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 ...
- 203
4
votes
1
answer
199
views
Can an out of alignment brake caliper lead to the piston falling out?
The hydraulic brake caliper on my bike is slightly out of alignment. It's not fully rubbing, it more or less looks like the slight rub picture here - https://www.parktool.com/en-int/blog/repair-help/...
- 295
5
votes
2
answers
431
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
...
- 51
3
votes
2
answers
476
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 ...
- 249
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 ...
- 185
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 ...
- 3,456
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 ...
- 287
3
votes
1
answer
429
views
Problem bleeding Shimano XT brakes
I have a problem bleeding Shimano XT brakes:
The oil can come down if I open the system at the bottom, and the oil drips down. But once I connect the syringe, put the little plastic cup screws on the ...
- 606
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
12
votes
1
answer
5k
views
How do I rebuild Shimano XTR hydraulic brake levers?
My right brake lever (Shimano BL-M9020 to be specific) has attracted some dirt around the blade pivot area, and some parts look shiny. I suspect the master piston seals are starting to leak. Replacing ...
- 16.4k
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 ...
- 14.6k
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
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