It's "rojas".
Since "bicicletas" is plural, with a feminine ending, you pick "rojas", with it's plural, feminine ending.
I think the way you would relate to this is by saying "long live Spain" because Spain's official national language is Castilian Spanish and Spanish is used in this context e
and also by saying "long live honest commerce" because no one would want to trade with a dishonest person or buy goods and services from someone who is most likely to rob you because they are dishonest
Answer:
Quieren asegurar un futuro mejor para ellos y para sus familias
Explanation:
