| 摘要 |
PROBLEM TO BE SOLVED: To provide a bicycle disk brake rotor for preventing braking effect from rapidly lowering. SOLUTION: The bicycle disk brake rotor comprises a first rotor member 90, a second rotor member 91a, and a third rotor member 91b. The first rotor member 90 is mounted between the second rotor member 91a and the third rotor member 91b. A thickness of the second rotor member 91a is different from a thickness of the third rotor member 91b. COPYRIGHT: (C)2006,JPO&NCIPI
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