S - M - L ( FOR MECHANICAL GROUPSET, external cable routing ) PLEASE, VISIT http://www.nevi.it/p/bicycle-frame-sizes
The Spinas is designed as a high performance race frame. It is stiff like a proper race bike
The down tube is what lends the Spinas it's incredible rigidity on the BB and power transfer, inviting you to ride from the first pedal stroke.
It is intended to be the most race oriented road frame
responsive handling and light weight