These are made from Eaton 18 speed shifters and adapted to work with a computer. Magnets are used to trigger signals creating virtually no wear and tear on electrical components. Customizable with Chrome and colored accents including splitter and range selector chrome covers as well as base skirts. Add ons are priced as follows and are automatically applied. All easy jake skirts are 3d printed and are NOT AVAILABLE IN CHROME. They are available in any color. Shipping is 1-5 Business days after ordering. 2 Year Warranty. New batches are usually available weekly.