Questions tagged [caliper]
The caliper tag has no usage guidance.
23
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7
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Caliper brake lubrication
Good day all, I have a question about caliper brake maintenance.
Occasionally, my caliper brakes remain a little "stuck" closed, in that I have to manually open them/spread them back out in ...
- 417
7
votes
1
answer
438
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How can I keep my brakes centered?
If I move the brake device by hand, I can get it centered.
However, after riding a bit I guess the bumps of the road shift it either to the right or left, causing either the right or left brake pad to ...
- 237
5
votes
1
answer
375
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Facing flat mount fork
Front brake on one of my bikes has always been near impossible to adjust. Since it is my first bike with flatmount calipers I thought that this is just specific to flat mount brakes.
However recently ...
- 2,857
4
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4
answers
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How to prevent disc brake caliper from slipping while tightening caliper mount screws?
While adjusting disc brakes, I often find that the caliper body slightly slides sideways when tightening the mounting screws. It is sometimes due to sticky washers, but I also encounter this issue ...
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4
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1
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428
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What's the significance of "Inside" vs "Outside" caliper hose connection?
When Shimano rolled over from the "x000" series mtb brakes (e.g. 6000, 7000, 8000) to the x100 series, one thing that changed is where the hose connects to the caliper. Before, it was on the ...
4
votes
1
answer
509
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Brake piston fell out during bleeding - anything to fix?
When bleeding a brake, I did not insert the correct spacer, pushed the lever too eagerly, and the piston fell out (and the oil was on the floor).
Is there anything to fix after this besides just ...
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3
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2
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Can I replace my rear cantilever brake with a caliper brake?
Can I replace my damaged rear cantilever brake with a caliper brake?
I assume there are two things to consider: frame and lever.
Frame
The frame has a black, hook-shaped part, which I believe Sheldon ...
- 2,364
3
votes
3
answers
780
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What limits the rotor size in flat-mount brakes?
Let's consider Shimano BR-RS305 caliper. The only numbers which are floating around are 140 mm and 160 mm for the rotor.
My question is -- what stops this caliper from using 180 mm or bigger rotor? ...
- 2,064
3
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1
answer
1k
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Brakes rubbing on ride after centering, brand new bike
I recently purchased a new mountain bike. The brakes are Clark M2 hydraulic disc brakes. The bike came pre-assembled except for the pedals, handlebars, and front wheel. I don't see anything wrong with ...
- 31
2
votes
4
answers
565
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I was leaning the bike against the wall
I have a quite a new bike (aluminium frame) and I came home after a ride and when I was leaning a bike against the wall I hit the brake caliper (or more like the tube, that's next to it) against the ...
- 21
2
votes
1
answer
223
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Replacing Tektro MD-M280
I have a Lectric 2.0 ST ebike and it seems it is hard to find a good replacement for its Tektro MD-M280 calipers. I was wondering if the Tektro MD-C550 could be better as this model is dual piston but ...
- 121
2
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1
answer
168
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How to diagnose and fix a mechanical disc brake rotor that is bent
I have a 2022 GT Aggressor with mechanical disc brake rubbing on the rear wheel. I tried realignment of the caliper several times and I got the wheel trued. But my brakes still rub in one spot. Does ...
- 1,277
2
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1
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Schwinn Kids Bike brake caliper spring not attached. Help!
I recently ordered a child bike for my daughter as a Christmas present.
The hand brake caliper was not assembled with the brake spring in place. Based on my basic understanding of how this works I ...
- 123
2
votes
1
answer
249
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Shimano 105 Disk Brake Failure
While bleeding my Shimano 105 hydraulic rear disk brake (BR-R7070) the seal around one of the caliper pistons failed.
I was following the Shimano dealer manual meticulously and I had only just done ...
- 21
2
votes
2
answers
269
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Shimano BR-MT400 caliper upgrade?
After 2 years calipers no longer retract fully (pistons) causing annoying rubbing sound.
What options do I have to upgrade it (perhaps something more durable) providing I still want to reuse the same ...
- 65