2019 Cervélo S3 aero road bike undercuts S5 pricing, offers rim & disc brake choice - Bikerumor
Cervelo updates S3 - improved aero and disc or rim brakes | road.cc
48cm Cervelo S3 Carbon Aero Rim Brake Road Frameset
VBike - New bike day for Grant - 2019 Cervelo S3 rim brake frame kit with Ultegra Di2 and his old Zipp wheels... what a sexy machine!! Can't wipe the smile off