With the official start of the bicycle club, the principal orders them to produce results within three months, or the school won't recognize their club. Hiromi and her friends wonder what they can do to produce results. They decide to start by learning about bicycles and getting their own, but...
Let me know if you're 
interested in any of them.
.أعلمنني إن كنتنّ مهتمّات بإحداها
Sagt Bescheid,
wenn euch was interessiert.
Díganme si alguna les interesa.
Avisadme si os interesa alguna.
Dites-moi s’il y en a un
qui vous plaît.
Ditemi quali vi interessano.
Podem me dizer caso se
 interessem por alguma.