| 摘要 |
A brake disc for cycle brake systems includes an outer peripheral portion, a hub portion, and an air circulating device attached to the brake disc, and inclined relative to the brake disc, to propel and circulate air around the brake disc when the brake disc is rotated. For example, the air circulating device includes a number of spokes or fan blades secured between the outer peripheral portion and the hub portion of the brake disc, and inclined relative to the brake disc. The fan blades may be secured to the spokes.
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