Having just moved from Nagasaki to Kamakura, Maiharu Hiromi leaves her house on a bike to attend the Minami Kamakura High School entrance ceremony, but she realizes that she's forgotten how to ride a bike for some reason. When she runs into Akizuki Tomoe, she begins practicing how to ride a bike, but...
Bicycle frames are made 
of different materials,
،تُصنع هياكل الدّرّاجات من مختلف المواد
Fahrradrahmen werden aus
verschiedenen Materialien hergestellt.
El cuadro de las bicicletas
se hace de materiales diferentes,
El cuadro de las bicicletas
se hace con diferentes materiales.
Concernant le cadre des vélos,
I telai delle biciclette
vengono costruiti con materiali diversi,
Os quadros das bicicletas são 
feitos de materiais diferentes,