Company offices move to the Takatsuka Plant site.[17] 1947: Head office moves to the present address.[2][17] 1949: Company lists on the Tokyo, Osaka and Nagoya Stock Exchanges.[17] 1950: Company has financial crisis due to labor difficulties.[17] 1952: "Power Free" motorized bicycle marketed.[4][5] 1953: Introduction of Diamond Free 60cc, 2-cycle motorized bicycle, displacement subsequently increases to 70cc.[18] 1954: Company name changed to Suzuki Motor Co., Ltd.[17] 1955: Introduction of Colleda COX 125cc 4-stroke single-cylinder,[18] and Colleda ST 125cc, two-stroke single-cylinder motorcycles.