Big O #05840 is a tire dealer located in Poway, California that offers a range of services for all your tire needs. They have a selection of tire brands and sizes available, as well as flexible pricing. Big O #05840 may or may not have the option to schedule appointments. In addition to tire sales and installation, they may also offer tire repair and maintenance services. Contact Big O #05840 to learn more about their services and to schedule an appointment.