It would be helpful if you posted a full build list for anyone to make suggestions on weight reduction. If you really just bought the bike ride it and look to make upgrades later as you wear parts out but do make upgrades right away that improve fit.
It's basically an all stock cervelo bike.
Fork: Wolf CL
Seatpost: Cervélo aero Aluminum - 2-position
Shift/Brake Levers: Shimano Ultegra STI
Front Derailleur: Shimano Ultegra
Rear Derailleur: Shimano Ultegra
Cassette: Shimano Ultegra 11-23
Chain: Shimano Ultegra
Brake Calipers: Cervélo Mach 2
Crankset: FSA Gossamer MegaExo
Bottom Bracket: FSA Gossamer MegaExo
Headset Cane Creek: IS-2 1 1/8"
Stem: 3TTT THE
Handlebars: 3TTT THE
Saddle: Selle Italia SLR XP
Wheels: Easton Vista
Tires: Vittoria Diamante Pro Lite