Product Description. You do not have to be racing on the circuit to get a high quality gear bag thanks to Thor and the Circuit gear bag that has the space for all your gear. Thor developed a three compartment gear bag that converts into one large compartment to match your needs. Each compartment in the Circuit gear bag is specifically designed to tackle the storage needs for each piece of your riding gear. Thor added ventilation to the Circuit bag to help with the gnarly session stench build up. Throw the Thor Circuit gear bag around without worrying about tearing it up. The base of the bag is lined with durable PVC. Multiple handles and an adjustable over-the-shoulder strap make it easy to transport the Thor Circuit gear bag.