The following models are dual passenger capable

The following models are designed for cargo and dual passenger capabilities. The connect+ Passenger kit fits with any rack integrated with the connected+ system, but the following models have a frame welded rack that is designed to carry more weight. 

Portola - Weight limit - 130lbs

Cafe Cruiser - Weight limit 150lbs

Rift  - Weight limit 150lbs 

Revv 1 Weight limit 130lbs