The Filante SL inherits its forms, its lines and its racing spirit from the Filante SLR, Wilier's high-end aero racing bike used by professionals in the most important World Tour competitions. What makes the change beneficial is the application of few and simple technical solutions. The different carbon fibre lamination used for the frame gives it a less extreme and more comfortable structure compared to the SLR version. All of this with a weight gain of just under 150 g for the same size frame.