Specialized Tarmac SL8 Pro Ultegra Di2 Frame Tarmac SL8 FACT 10r Carbon, Rider First Engineered™, Win Tunnel Engineered, Clean Routing, Threaded BB, 12x142mm thru-axle, flat-mount disc BB Standard: BSA, 68mm, Threaded Tire Clearance: 32c Colors: Gloss Pine Green Metallic / White; Satin Blue Onyx / Black Fork FACT 10r Carbon, 12x100mm thru-axle, flat-mount disc Bottom Bracket Shimano Threaded BSA Stem Tarmac integrated stem, 6-degree Handlebar Roval Rapide Handlebar, carbon Saddle Body Geometry Power Pro, hollow titanium rails Seatpost S-Works Tarmac SL8 Carbon seat post, FACT Carbon, 15mm offset Type: Rigid Groupset Rear Derailleur Shimano Ultegra Di2 R8150, 12-speed Front Derailleur Shimano Ultegra Di2 R8150, braze-on Crank Shimano Ultegra R8100 with 4iiii power meter, 52/36T Power Meter Shimano Ultegra R8100 with 4iiii power meter, 52/36T Shifters Shimano Ultegra Di2 R8170, hydraulic disc Cassette Shimano Ultegra, 12-speed, 11-30t Chain Shimano Ultegra, 12-speed Brakes Front: Shimano Ultegra Di2 R8170, hydraulic disc 160mm rotor, Rear: Shimano Ultegra Di2 R8170, hydraulic disc 140mm rotor Type: Shimano Ultegra Hydraulic Disc Wheels Rims Front: Roval Rapide CL II, 21mm internal width carbon rim tubeless ready, Win Tunnel Engineered, DT for Roval 350 hub, DT Swiss Revolution spokes, 51mm depth, Rear: Roval Rapide CL II, 21mm internal width carbon rim tubeless ready, Win Tunnel Engineered, DT for Roval 350 hub, DT Swiss Revolution spokes, 60mm depth Tires Front: S-Works Turbo, 2BR, 700x26mm, Rear: S-Works Turbo, 2BR, 700x26mm