The Giant TCR Advanced 1 - Pro Compact is a high-performance all-rounder that bridges the gap between enthusiast and professional racing tiers. For 2026, the TCR Advanced 1 has been upgraded to include the Shimano 105 Di2 electronic drivetrain, providing nearly instantaneous and effortless shifting. The "Pro Compact" designation in this series refers to the inclusion of more premium racing features—like high-performance tires and mid-compact gearing—on the versatile Advanced-grade composite frame.
This 10th-generation TCR features a more streamlined profile with truncated ellipse tube shaping to reduce drag. A major update for 2026 is the Contact AeroLight integration, which routes cables semi-internally under the stem for a significantly cleaner look. Finished in Dreamy Blue, this bike is built for the rider who wants the competitive edge of electronic shifting and the legendary "Total Compact Road" geometry that excels on both steep climbs and technical descents.
Frameset & Geometry
Frame: Advanced-Grade Composite, 12x142mm Thru-Axle, Disc
Fork: Advanced-Grade Composite, Full-Composite OverDrive Steerer, 12x100mm Thru-Axle, Disc
Handlebar: Giant Contact
Stem: Giant Contact AeroLight
Seatpost: Giant Variant, Composite, -5/+15mm Offset
Saddle: Giant Approach (with ParticleFlow technology)
Color: Dreamy Blue
Drivetrain & Brakes
Shifters: Shimano 105 Di2 ST-R7170, 2x12-Speed (Electronic)
Front Derailleur: Shimano 105 Di2 FD-R7150
Rear Derailleur: Shimano 105 Di2 RD-R7150
Crankset: Shimano 105 FC-R7100, 36/52T
Cassette: Shimano 105 CS-R7100, 12-Speed, 11-34T
Chain: KMC X12L-1
Brakes: Shimano 105 Di2 Hydraulic Disc
Brake Levers: Shimano 105 Di2 Hydraulic (SM-RT64 Rotors: 160mm Front / 140mm Rear)
Wheels & Tires
Wheelset: Giant P-R1 Disc Wheelset, Alloy (30mm deep rims)
Hubs: Giant Alloy, 12mm Thru-Axle
Spokes: Sapim Stainless
Tires: Giant Gavia Course 0, Tubeless, 700x28c
Max Tire Clearance: 33mm (effective width)
Key Technologies
OverDrive Steerer: Giant’s original oversized fork steerer tube technology for precise steering and front-end stiffness.
AeroLight Integration: New for 2026, the stem allows cables to be tucked away for a tidier, more aerodynamic front end that is still easy to adjust.
Compact Road Design: Sloping top tube creates smaller front and rear triangles for a lighter, stiffer, and more responsive frame.
Advanced Composite: High-performance carbon material and proprietary resin produced in Giant's own factory for maximum quality control.