| 摘要 |
A ventilated type disc brake rotor includes a spindle, a wheel hub rotatably supported by the spindle, a fitting portion fixed to the wheel hub, a brake pad engaging portion, a step portion for connecting the fitting portion with the brake pad engaging portion, and a plurality of reinforcing and cooling fins fixed on the outer periphery of the step portion which are separate, and radially project from the outer periphery of the step portion. The fins are also fixed at one end thereof to the brake pad engaging portion so that the fins are placed over the brake pad engaging portion. |
