Questions tagged [caliper]
The caliper tag has no usage guidance.
23
questions
2
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1
answer
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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 ...
0
votes
2
answers
63
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brake rotor offset inconsistency
I previously ran a promax 160mm rotor with a BB7 avid brake caliper. My rotor is spent and is not braking correctly. The tech suggested I used a Shimano ice-tech disk. It seems to me that, relative to ...
7
votes
1
answer
437
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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 ...
1
vote
2
answers
55
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Which brake levers and brake calipers to replace Sram s-series HRD700 (postmount)?
I own a Giant TCX SLR 1 from 2014, with Sram s-series HRD700 brakes (post mount right?) and 10 speed sram force transmission. Discs are 140mm rear and 160mm front.
My brakes are completly gone and I ...
1
vote
2
answers
131
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Rusty bolts/screws on Shimano Claris brake calipers
I've spent a number of hours 'deep cleaning' my Giant Defy 4 road bike and it looks really good.... with the exception of the rust which is visible on the brake caliber screws/bolts. Are they ...
4
votes
4
answers
543
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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 ...
2
votes
1
answer
206
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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 ...
5
votes
1
answer
351
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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
votes
1
answer
244
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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 ...
2
votes
4
answers
564
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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 ...
2
votes
2
answers
265
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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 ...
4
votes
1
answer
481
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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 ...
7
votes
2
answers
2k
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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 ...
4
votes
1
answer
424
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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 ...
0
votes
1
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794
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Why is there no pressure in brakes after leak?
I made a mistake when trying to align the caliper to correct for the disc rubbing against the brake pads. Instead of unscrewing the bolts mounting the caliper body to allow adjustment, I unscrewed the ...