The Convert System is a system equipped by Tech Bakugan in Bakugan: Tech Brawlers & The Tavanel Cup & can enable different Tech Bakugan with this system to exchange parts made of different material, such as metal, rubber (BakuSBS), & plastic. Two types of parts that can be exchanged are called the Cross & Sole respectively. Cross is an armor-like part while Sole is Bakugan's feet parts. The exchange-able parts which are made of plastic are known as 'Normal' whereas the metal ones are simply known as 'Metal'. Rubber tight grip is used to create a better connection between parts.