オフロード

noun which may take the genitive case particle 'no', noun

off-road

Used attributively with nouns like 車 (car), バイク (motorcycle), コース (course) to describe vehicles or activities designed for unpaved terrain.

• 彼かれはオフロードバイクで山やま道みちを走はしるのが好すきだ。

  He likes riding mountain trails on his off-road motorcycle.