After some time the brothers sold their share of the bicycle shop. And opened their own business manufacturing automobile parts and selling them to various manufacture. Dodge’s high quality parts led to a contract with Ransom Eli Olds founder of the Oldsmobile, and the first manufacture in the automobile industry to use a assembly line to produce cars. But the brothers could still keep up with the contract of making the thousands of transmission and engines, and still have time to make some parts for other