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.
彼はオフロードバイクで山道を走るのが好きだ。
He likes riding mountain trails on his off-road motorcycle.
この車はオフロード性能が高い。
This car has high off-road performance.