noun
road bike
Refers to a lightweight bicycle designed for paved roads, typically with drop handlebars and narrow tires. Common in cycling contexts.
週末はロードバイクで長距離を走るのが趣味です。
My hobby is riding long distances on my road bike on weekends.
新しいロードバイクを買ったので、
I bought a new road bike, so I'm going for a test ride tomorrow.