CAGE: Spacer used to maintain proper roller distribution around cone in assembled bearing; holds unit together.

保持架：轴承组件中用于使滚子保持一定间隔分布在内圈滚道上的装置。

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Hutchinson's unconventional route to fitness included strapping water bottles to his leg and lifting it while he lay in his hospital bed to maintain his leg muscles and he also cycled extensively with a protective metal cage on the injured left leg.

BBC: Ian Hutchinson will miss 2011 Isle of Man TT races