All Questions
53
questions
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 ...
- 2,857
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 ...
- 405
-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 ...
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
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
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
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
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
6
votes
1
answer
7k
views
Why is my hydraulic front disc brake clicking?
I noticed that there's a mysterious click that seems to be tied to wheel rotation when riding my bike. It is barely audible when there's no traffic nearby. I initially assumed that it's a hub or the ...
- 20.1k
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 ...
- 1,077
6
votes
2
answers
2k
views
Is the banjo bolt the same between the Shimano XTR and Shimano Saint rear brake caliper?
Earlier today, I went to install a brand new Shimano Saint caliper in place of an old XTR that's leaking from the pistons, only to find that Shimano doesn't include the banjo bolt...
Do the XTR and ...
- 1,077
2
votes
3
answers
3k
views
Hydraulic brake bleed fail - try again or replace?
I bled and completely replaced the fluid on a set of Tektro Orion hydraulic brakes, using Shimano mineral oil. Before bleeding, one worked a little bit, and the other didn't at all. In my impression,...
- 121
5
votes
1
answer
3k
views
Magura rim caliper and Shimano hydraulic road lever compatibility
I have a trekking bike with a slightly short reach for me. On the other hand I wish to get a drop bar bicycle. I could check on this bike that the position is good with drop bars.
On this bike I have ...
- 734