The Hollywood Racks Sport Rider SE part # HLY84FR will work with most step-through frame bikes. The best chance you have of this is to switch the short hook to the bottom and then the long hook to the top on the upright as that will then allow for the lowest connection point. That said, there isn't really a measurement for this so best option would be to order the Hollywood Racks Bike Frame Adapter Bar part # HRBA-PRO which is designed to provide an attachment point for step-through frame... view full answer...