Wolf Tooth Encase Pump with Tire Plug Tool - 40cc. The Wolf Tooth EnCase Pump offers easy access quick use and reliable performance for mountain gravel and fat bike tires. It requires less force per stroke than competitors making it efficient for high-volume tires. The EnviroLock sealing protects internal components from water and debris. The pump is easily accessible when mounted on a frame ensuring it remains clean and ready to use. Part of the EnCase System The pump can store an EnCase System tools.