Our Patented ROAMBUILT Chicane ladder was designed to work with Tilt-Out side windows (or Passenger Sprinter Emergency exit) while still maintaining 12" wide steps to make climbing easier and safer than pinched bottom side ladders. The Chicane ladder was designed to allow space for a spare tire mount and storage box behind both rear doors. It also provides a helpful side load for longboards, SUPs and roof boxes. The Chicane ladder minimizes visual obstruction by offering a 2" wide step