This 'Dante Fastback' sports seat is MADE IN ITALY to fit any Lambretta S1 S2 S3 GP DL or Serveta, and features waffle patterned sides. This seat is designed for use without an under seat air scoop.
The Unofficial Lambretta Manual Update by Mark Haines
LAMBRETTA - ILLUSTRATED GUIDE TO THE IDENTIFICATION by Vittorio Tessera
Lambretta Performance Tuning and Conversions - 8099990
Lambretta Tuning Manual by Dave Webster - 8099992