The Giant TCR Advanced Pro 0 Di2 in Ocean Twilight represents the tenth generation of the "Total Compact Road" legacy, a bike that has spent decades perfecting the balance between climbing efficiency and aerodynamic speed. This iteration is built around the philosophy of "System Optimization," where the frame, wheels, and cockpit are engineered as a singular, aerodynamic unit.
Technically, this build is an overachiever, bridging the gap between enthusiast and professional racing tiers. By pairing the Advanced-grade composite frame with the top-tier Advanced SL-grade composite fork, Giant provides the razor-sharp handling and weight savings of their flagship models at a more accessible level. The inclusion of a Shimano Ultegra Di2 wireless groupset and a factory-fitted Giant Power Pro dual-sided power meter means this bike is race-ready from the moment it leaves the shop. With the ultra-light SLR 0 40 Carbon wheels featuring aero carbon spokes, it is designed to hold speed on the flats while remaining one of the most capable climbers in the peloton.
Frameset & Geometry
Frame: Advanced-Grade Composite, 12x142mm thru-axle, disc, Integrated Cable Routing
Fork: Advanced SL-Grade Composite, Full-Composite OverDrive Aero Steerer, 12x100mm thru-axle, disc
Handlebar: Giant Contact SLR, Carbon, 10.5 degree flare (Internal Cable Routing)
Stem: Giant Contact SL AeroLight, -10 Degree (Internal Cable Routing)
Seatpost: Giant Variant, Composite, -5/+15mm offset
Saddle: Giant Fleet SL
Color: Ocean Twilight
Drivetrain & Brakes
Shifters: Shimano Ultegra Di2 R8170, 2x12-speed
Front Derailleur: Shimano Ultegra Di2 R8150
Rear Derailleur: Shimano Ultegra Di2 R8150
Crankset: Shimano Ultegra, 36/52T with Giant Power Pro dual-sided power meter
Cassette: Shimano Ultegra, 11-34T, 12-speed
Chain: Shimano CN-M8100
Brakes: Shimano Ultegra Hydraulic Disc, RT-CL800 rotors (160mm/140mm)
Brake Levers: Shimano Ultegra Di2 Hydraulic
Wheels & Tires
Wheelset: Giant SLR 0 40 Carbon Disc WheelSystem, Hookless, 40mm depth
Hubs: Giant Low Friction Hub, 40t Ratchet Driver, 12mm Thru-Axle
Spokes: Giant Aero Carbon Spokes
Tires: CADEX Race GC, Tubeless, 700x28c (Effective width ~29mm)
Max Tire Clearance: 33mm
Key Technologies
Advanced Composite: High-performance grade raw carbon material woven in Giant’s own factory for a superior stiffness-to-weight ratio.
OverDrive Aero: The D-shaped fork steerer tube and integrated spacers provide a streamlined, aerodynamic cockpit while remaining easy to service.
Power Pro: An integrated, dual-sided power meter that delivers accurate data (±2%) to track watts, pedal balance, and cadence.
SLR 0 WheelSystem: Ultra-light carbon wheels featuring carbon spokes and hookless technology for maximum efficiency and aerodynamic stability.