| 摘要 |
A brake rotor having an annular disc connected to an annular mounting flange, the mounting flange defining a radially inner flange wall and including a plurality of circumferentially spaced mounting holes, in which the flange wall includes a plurality of recesses, with each recess situated circumferentially between adjacent mounting holes in which the brake rotor includes ventilation vanes between opposing braking faces of the annular disc with at least some ventilation vanes including inner vane portions which extend inwardly of a radially inner edge of the annular disc.
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