Hello Scott! If you end up parting out the base 2 bike rack from the add-on, I’d be interested in the add-on. I already have the base and have been thinking of getting the add-on for the ability to carry four bikes. Thanks, Rod > On Aug 9, 2020, at 1:48 AM, Scott Forman via Bike-racers <bike-racers at mailman.swcp.com> wrote: >