- SOLD - This is the waffle sided version of the 'Dante Fastback' sports seat. It is made to fit any Lambretta S1 S2 S3 model and really looks the business. That this seat is designed to fit without the scooters under seat airscoop (if fitted). PLEASE NOTE : we have just 5 of these seats available as they are the last of a limited production run to keep them exclusive. Once these are sold, that's it!