Bicycle is "la bicicleta", but just as that can be shortened in English to "bike", Spanish uses "la bici".
Estoy muy emocionado de montar en la bicicleta would be the best way to say "I am excited to ride on your bike" in Spanish.
"Yo no tengo una bicicleta"literally.
Anda en bicicleta (él / ella)
Me gusta la suciedad bicicleta
Ir en bici.Me iré / voy a ir en mi bici.
Gracias por la bicicleta y el casco.
Va en su bicicleta sin las ruedas de apoyo (él).
Yes, that is the correct way to say it however if it sounds strange to you or others change it and say "I ride my bike to school" or "I bike to school"
Paseo en bicicleta.
The difference is the person who is possessing. For example you would say "I have a bike" or "He has a bike". You would not, however, say "I has a bike" or "He have a bike" unless you're ignorant and uneducated.
bicicleta de montaña