also: トレイルバイク
noun
trail bike
A lightweight motorcycle designed for off-road riding on trails and rough terrain.
週末にトレールバイクで山道を走るのが趣味です。
My hobby is riding mountain trails on a trail bike on weekends.
Spelling with interpunct; rarely used in practice.
Spelling with interpunct; rarely used in practice.
オフロードバイク is a broader term for any off-road motorcycle, while トレールバイク specifically refers to bikes designed for trail riding.
Borrowed from English 'trail bike'.