Mũ bảo hiểm giúp tăng tốc xe đạp
Để tăng tốc cho xe đạp đua, đội tuyển đua xe đạp nước Anh cho biết họ đang thử nghiệm loại mũ bảo hiểm với ống dẫn để giảm sức cản của không khí. Bên cạnh đó là bộ áo quần phù hợp hơn khi xe leo núi.
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