The Giant TCR Advanced 1 in Gloss Asphalt Green is the benchmark for a "modern classic" race bike. For 2025, Giant has refined the TCR to be even more aerodynamic while retaining its legendary stiffness-to-weight ratio. The Asphalt Green color is a deep, sophisticated metallic forest green with Mercury (silver) accents, giving it a premium look that stands out from the typical black or red race rigs.
This model hits the "goldilocks" spec for serious road riders: you get the high-performance Advanced-grade composite frame paired with the lightning-fast Shimano 105 Di2 electronic groupset. While it utilizes dependable P-R2 alloy wheels rather than carbon to keep the price competitive, the frame and cockpit are fully optimized for speed, featuring the new Contact AeroLight stem for hidden cable routing.
Frameset & Geometry
Frame: Advanced-Grade Composite, 12x142mm thru-axle, Disc.
Fork: Advanced-Grade Composite, Full-Composite OverDrive Steerer, 12x100mm thru-axle.
Handlebar: Giant Contact (size-specific widths).
Stem: Giant Contact AeroLight (Integrated cable routing).
Seatpost: Giant Variant, composite, -5/+15mm offset.
Saddle: Giant Approach with ParticleFlow technology.
Colour: Gloss Asphalt Green / Mercury.
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, 52/36T (Mid-compact).
Cassette: Shimano 105, 11-34T, 12-speed.
Chain: KMC X12.
Brakes: Shimano 105 Hydraulic Disc.
Rotors: Giant MPH, 160mm (Front) / 140mm (Rear).
Wheels & Tires
Wheelset: Giant P-R2 Disc, Alloy, 22mm inner width.
Hubs: Giant Alloy, 12mm Thru-Axle.
Spokes: Sapim Stainless Steel.
Tires: Giant Gavia Course 1, 700x25c, Tubeless (factory set-up).
Max Tire Clearance: 33mm.
Key Technologies
Shimano 105 Di2: This is the star of the show. It brings pro-level electronic shifting—fast, precise, and programmable via the E-TUBE app—to a much more accessible price point.
System Optimization: Unlike many brands that mix parts, Giant designs the frame, seatpost, and cockpit as a single unit to ensure the bike handles with the "TCR snap" the model is famous for.
OverDrive Steerer: The oversized fork steerer tube technology provides significantly more front-end stiffness, resulting in razor-sharp cornering and sprinting stability.
Aero Integration: The truncated ellipse tube shapes and the new AeroLight stem significantly reduce drag compared to previous generations, essentially giving you "free speed" on the flats.