• If the calipers have 22mm (white ceramic) pistons then yes.

    if the pistons are aluminium edge, black center / 21mm then also yes but you now get more less mechanical advantage and levers move less for same brake action and probably feel too hard (but could work, never heard of anyone trying it).

  • yes piston area is ~10% smaller so ~10% less fluid needed to engage. A bit like different lever pull with cable brakes.

    ...I dont know if it works in a good way.

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