Nissan Dualis door side is not easy to clamp, But the manufacture had designed a reserve bolt hole at the door side, so we can install the roof rack with fix the roof rack hook at the hole, The front one and the rear one all use Size F

Nissan Dualis Roof Rack

The rear one fix in the middle hole

Nissan Dualis Roof Rack

The rear one fix in the middle hole

Nissan Dualis Roof Rack

The Front one fix in the bottom hole

Nissan Dualis Roof Rack

Reserve bolt design for install roof rack

Nissan Dualis Roof Rack

Reserve bolt design for install roof rack