bicycle helmet

Noun

A helmet intended to be worn while riding a bicycle.

Japanese Meaning

自転車に乗る際に着用する頭部保護用のヘルメット

She tightened the strap on her bicycle helmet before heading out for a morning ride.

彼女は朝のサイクリングに出かける前に、自転車用ヘルメットのあごひもを締めた。

Sense（1）

A helmet intended to be worn while riding a bicycle.

Make locking up your bike as routine as strapping on a bicycle helmet.

bicycle helmets

（ plural ）