this post was submitted on 21 May 2025
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TIFU

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I fucking did it again, just a few minutes ago. This time on a bike. I had the old brake pads out, i leaned on the handle bar to stand up and get the new ones because I'm old and managed to bump the brake handle against the wall with my body weight. The caliper piston shot out of there and mineral oil is all over the place, all over the rotor, all over me. So now i need to order a bleed kit for a bike, which I'd need eventually anyway but I'm just annoyed because I made this mistake years ago on a prius.

I was changing a lug stud, they need to be in the 12 o'clock position to come out but I had the car in park and only jacked on one side and the caliper was already hanging by a bungee cord. As I went to put the car in neutral I pushed the brake without thinking and I hear a thunk followed by a metallic rolling noise. I shot the caliper piston across my driveway. So as soon as it happened on my bike I fucking new exactly how I fucked up. Typing this out has calmed me down, lol. I use arch btw.

TLDR: I tried to change brake pads and shot out my caliper piston. Again.

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[–] Mac@mander.xyz 7 points 1 week ago* (last edited 1 week ago) (1 children)

"They" are the market because we actually prefer functional brakes on our machines.

Plus, disc pads are super easy to change.

[–] grue@lemmy.world 2 points 1 week ago* (last edited 1 week ago) (2 children)

The cantilever rim brakes on my old acoustic utility bike are perfectly capable of locking up the wheels, and they almost certainly dissipate heat/resist fade better than the disk brakes on my e-bike do. The only actual advantages of discs are when you're riding a mountain or cyclocross bike in muddy conditions or if you've got fancy carbon rims that you don't want to be a wear surface; otherwise, there's nothing wrong with rim brakes.

Also, trying to change the disc brake pads without removing the wheel can be tricky due to the tight fit, and removing the rear wheel of an e-bike with a hub motor so the rotor isn't in the way is even more of a pain in the ass.

[–] Mac@mander.xyz 3 points 1 week ago* (last edited 1 week ago) (1 children)

You forgot one small advantage: braking lol

Anything can be designed poorly, that's not the fault of the concept.

[–] grue@lemmy.world 1 points 1 week ago* (last edited 1 week ago)

How much more braking force beyond locking up the wheel and doing an endo do you think you need?

[–] Wahots@pawb.social 1 points 1 week ago

Hmm, might wanna switch to semi-metallic or metallic pads if you're getting bad brake fade. They'll be louder and won't have as much bite as organic, but they work well in the wet, and they won't fade as much as organics.