DESCRIZIONE
A first seal member is disposed forward of a one-way clutch so as to prevent water intrusion into the one-way clutch. A second seal member is disposed forward of the first seal member so as to prevent water intrusion into the one-way clutch. Further, the second seal member has a first inner peripheral surface disposed with a gap from an outer peripheral surface of a tubular portion. The first inner peripheral surface facing the outer peripheral surface of a tubular portion. At least either of the first inner peripheral surface and the outer peripheral surface of the tubular portion has water-repellent properties.