Sigma Sports on Twitter: "Blue and white, which colour would you choose? These are two of the three colours in the @CastelliCycling Aero Race 6.0 Short Sleeve Jersey range. Discover the
GCN Castelli Aero Race Jersey
Castelli Aero Race 6.0 Short Sleeve Jersey - Silver Grey
Castelli Via Ciclante Aero Race 6.0 Jersey - Via Ciclante
Maillot Castelli Aero Race 6.0 - Mantel Bikes
Castelli Maillot de Manga Corta - Aero Race 6.0 - savile blue/pro red 414