Proven aerodynamic technology for trailers

Simple to install, proven on the road

OptiFlow™ SideWings from WABCO instantly make a trailer more economical on the road, delivering fuel savings of up to 1.5 liters per 100 km at highway speeds.

OptiFlow™ SideWings panels are modular, designed to allow access to fixtures and inspection points located under the trailer. Highly-durable, the system will deliver a CO2-emissions saving of up to 3.8t per trailer, per year. You can see the OptiFlow SideWings video also in YouTube.


Additional benefits of OptiFlow™ SideWings are the larger under-ride protection offered to vulnerable road users and the reduction in water spray enhancing safety for all road users. OptiFlow™ SideWings can easily replace existing side guard systems.

Aerodynamic solution to combat rising fuel costs


OptiFlow™ SideWings are formed from Polydicyclopentadiene (PDCPD), a lightweight but robust material that proves extremely durable under the toughest road conditions as well as being highly resistant to vibrations.