- Siegl did all the custom work himself on the Leggero 3/12.
- Walt Siegl's Leggero 3/12 is powered by a Ducati 900 Supersport Twin.
- Walt Siegl's Leggero 3/12 is built for speed.
- Siegl designed a custom chromoly-tube frame for the Leggero.
- Siegl revamped the engine for more power and dropped as much weight as possible.
- Siegl conceptualized the Leggero as a limited series motorcycle, this being the third iteration in the line.
- Walt Siegl's Leggero 3/12.
- Walt Siegl builds some of the most beautiful and most powerful bikes around.