I decided to replace my front brake pads since they are worn out beyond function. So after removing the old pads, I made sure the piston was fully out, and the adjusting screw was fully tight as well, and still I could not get both of the pads in. I can get only one of them in perfectly so I do not doubt a compatibility issue.

I decided to take out some of my worn-out brake pads from the rear brake so at least I would have some braking power in the front but I could not remove the rear brakes because they were also too thick to get out. What other options do I have other than manually opening the caliper in half?

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    Hi, welcome to bicycles! As always, some pictures might help; something a potential answerer can't quite imagine might be quite obvious to them when looking at a photo.
    – DavidW
    Commented Apr 12, 2022 at 16:00
  • There are some calipers where you have to sequence the inner and outer correctly or you won't have the clearance you need - let us know what brake you have. Commented Apr 12, 2022 at 16:27
  • Thanks for the responses, will attach a picture once available, in the meantime I'm afraid I am using an off-brand caliper that came with the bike. My bike is a turkish "Volta VB1" ebike, if that helps though. Commented Apr 12, 2022 at 17:26
  • Related - possible dupe: bicycles.stackexchange.com/questions/32745/…
    – Criggie
    Commented Apr 12, 2022 at 22:13

2 Answers 2


I've asked around other people who use the same brakes, turns out I have to de-assemble the caliper and then install the new pads. Incredibly bad design but apparently it is what it is.

  • which caliper is this? as it stands, neither the question or answer is very information to future readers who might have a similar problem
    – Paul H
    Commented Apr 13, 2022 at 15:24

I don't think it is a pad compatibility issue: I believe after market pads are the same width.

But the next step would be to try it without the cable attached at all. Also I would clean the pistons. They may be stuck.

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