Specialized Tarmac SL9 Expert – Shimano Ultegra Di2
The Specialized Tarmac SL9 Expert delivers uncompromising race-winning speed, class-leading aero performance, and featherweight climbing efficiency. Engineered around a Tarmac SL9 FACT 10r Carbon frame with Rider-First Engineering™, Win Tunnel tuning, and UDH dropout compatibility, this build features Shimano Ultegra Di2 12-speed electronic shifting, hydraulic disc brakes, an aero Roval Rapide stem, carbon Roval C38 tubeless-ready wheels, and fast-rolling S-Works Turbo 30c tires.
Key Specifications & Frameset
| Frame | Tarmac SL9 FACT 10r Carbon, Rider-First Engineered™, Win Tunnel Engineered, Threaded BB, 12x142mm Thru-Axle, Flat-Mount Disc, UDH Dropout |
| Fork | FACT 12r Carbon, 12x100mm Thru-Axle, Flat-Mount Disc |
| Cockpit | Specialized Expert Shallow Drop Alloy Handlebar, Roval Rapide Alloy Stem (-6°), Supacaz Super Sticky Kush Tape |
| Saddle & Post | Body Geometry Power Expert (Hollow Titanium Rails) & S-Works Tarmac Carbon Seatpost (15mm offset) w/ Integrated Wedge |
| Weight | 7.53 kg / 16 lbs 9.6 oz (Size 56cm) |
Drivetrain & Brakes
| Drivetrain | Shimano Ultegra Di2 (FD-R8150 / RD-R8150), 2×12-Speed Electronic Wireless |
| Shifters / Levers | Shimano Ultegra Di2 ST-R8170 Hydraulic Disc |
| Brake System | Shimano Ultegra BR-8170 Hydraulic Disc |
| Crankset | Shimano Ultegra R8100, 52/36T Mid-Compact |
| Cassette | Shimano Ultegra CS-R8100, 11-34T, 12-Speed |
| Chain & BB | Shimano XT CN-M8100 12s & Shimano Threaded BSA Bottom Bracket |
Wheels & Tires
| Wheelset | Roval C38 Carbon Disc Wheelset (21mm internal width, Tubeless Ready) |
| Tires | S-Works Turbo, 700x30c |
| Inner Tubes | Presta Valve, 700×24-34mm, 60mm Valve Stem |





