Bicycles that use a press fit bottom bracket system have no internal threading in the frame shell. These designs work by pressing in a non-threaded cup. The “thread-thru” or “thread-together” systems are an alternate system designed for the press fit frame.
보텀 브라켓 분해/조립 : 나사산+프레스 핏
Bicycles that use a press fit bottom bracket system have no internal threading in the frame shell. These designs work by pressing in a non-threaded cup. The “thread-thru” or “thread-together” systems are an alternate system designed for the press fit frame.