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Yes, we definitely worked on this. Here are a few points: The oil channel through the caliper is now circumferential, with no dead ends. This makes it much easier to catch every air bubble, and the caliper orientation is no longer as important. You no longer have to remove the caliper from the frame. We now finally have a bleed valve on the caliper. Once you remove the syringe, no air can get back in and no oil can escape. The axial expansion reservoir works better because the port connecting the piston chamber to the reservoir is positioned higher up...