The frame shell in a press fit bottom bracket system has no internal threads. The bore is slightly smaller in diameter than the bottom bracket cups that hold the bearings. This creates an interference fit, also known as a press fit. The bottom bracket is then held in by the pressure created by the interference.
보텀 브라켓 분해/조립: PRESS FIT
The frame shell in a press fit bottom bracket system has no internal threads. The bore is slightly smaller in diameter than the bottom bracket cups that hold the bearings. This creates an interference fit, also known as a press fit. The bottom bracket is then held in by the pressure created by the interference.