| 摘要 |
A bearing device for bicycles includes a first race with a support ring connected thereto and a plurality of beads connected by a ring are received in a space enclosed by the first race and the support ring. An annular engaging recess is defined in an inner periphery of the first race. A second race having an L-shaped cross section includes a horizontal flange and a vertical flange which is engaged with the annular engaging recess and the support ring is in contact with the horizontal flange. A seal ring is located between the horizontal flange of the second race and the support ring.
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