Fees vary according to bicycle models and rental times:
Bicycle pick-up and return during during store hours.
The renter shall be the only person authorized to ride the bicycle being rented, and they shall keep it in perfect condition throughout the rental period. The renter shall be held responsible for fines, sanctions or damages to third parties and they shall take out a liability insurance policy covering said use. This condition shall not apply to renters who show their national license as issued by the Spanish Royal Cycling Federation (RFEC).
The renter shall return the bicycle on rent in good condition and clean.
For more info, take a look at the clauses of the bicycle rental agreement.