Same performance with little visual defect.
Designed in 2013 with Jules Hornung for a school project. The Principia had originally a 5mm high W bump in the back that we flatened to 2.5mm in 2018.
The Principa is the most popular board in the Team. Destinated to Downhill racing and freeride it's made of bamboo, mapple and triaxial glass fiber. 
Rocker : 10 mm Soft Rocker
Concave : front : Original 9.81 concave  11mm/23cm
                     back :  W 2.5mm 
Dimension : 85 x 23cm
Wheelsbase : 54 to 62cm