The original products are all satellite shafts, which is normal. Remove the blank space. Maybe the satellite shaft is loose and not stuck.Just press it yourself.
The card key is usually caused by water ingress and ash ingress. You'd better buy another one.Think about the Coyote CIY mechanical keyboard. You can change the axis by yourself. There is no need for tools at all. It is so simple to solve the key card problem.
The sound of the balance bar is normal. The best thing I have done in this regard is that Filco's high-quality balance bar is basically silent, but I haven't seen any other brand that can make no sound except this one
ZOL Q&A>keyboard>Other classifications>How to deal with the problem that the Cherry mechanical keyboard I just bought will get stuck below if I press the blank space hard?