Giant Composite Aero Road Bike – Shimano 105 Di2
Built to go faster. Whether you’re climbing, cornering, or launching an attack, this all-new Giant composite road racer is engineered for speed in every situation. Lightweight, efficient, and fully integrated, it delivers a decisive competitive edge when it matters most.
Key Performance Factors
System Optimization
The frameset, wheels, cockpit, and components are engineered as one complete system. The new Contact AeroLight stem integrates cables, spacers, and top cap for a cleaner, more aerodynamic, and user-friendly setup.
Winning Efficiency
With an improved stiffness-to-weight ratio, refined aero tube shaping, and reduced overall weight, this race bike delivers explosive acceleration and uncompromising pedaling efficiency for race-winning performance.
Integrated Aerodynamics
Tube shapes optimized via CFD modeling and wind-tunnel testing create a streamlined profile. Truncated ellipse tubing, integrated cockpit, and component harmony reduce drag compared to the previous generation.
Made Faster
Integrated components, a compliant Variant carbon seatpost, and generous tire clearance up to 33mm ensure speed, comfort, and control on smooth tarmac or rough roads.
| Frame | Advanced-Grade Composite, 12x142mm thru-axle, disc |
|---|---|
| Fork | Advanced-Grade Composite, full-composite OverDrive steerer, 12x100mm |
| Sizes | XS, S, M, M/L, L, XL |
| Color | Frost Silver |
| Max Tire Clearance | Up to 33mm |
| Shifters | Shimano 105 Di2, 2x12-speed |
|---|---|
| Front Derailleur | Shimano 105 Di2 FD-R7150 |
| Rear Derailleur | Shimano 105 Di2 RD-R7150 |
| Cassette | Shimano 105, 11-34T |
| Chain | KMC X12 |
| Crankset | Shimano 105, 36/52T |
| Bottom Bracket | Shimano BB71, Press Fit |
| Brakes | Shimano 105 hydraulic disc, SM-RT70 rotors (160mm / 140mm) |
|---|---|
| Wheelset | Giant SLR 2 36 Carbon Disc WheelSystem |
| Rim Depth | 36mm front / 36mm rear |
| Hubs | Giant alloy, CenterLock, 12mm thru-axle |
| Spokes | Sapim Sprint |
| Tires | Giant Gavia Course 1, tubeless, 700x25c (28mm) |
| Handlebar | Giant Contact |
|---|---|
| Stem | Giant Contact AeroLight, -10° |
| Seatpost | Giant Variant Carbon, -5/+15mm offset |
| Saddle | Giant Approach |
| Grips | Stratus Lite 2.0 |
| Wheel Size | 700C (All Sizes) |
|---|---|
| Chainstay Length | 405 mm |
| Bottom Bracket Drop | 67–72 mm (size dependent) |
| Head Tube Angle | 71.0° – 73.5° |
| Stack | 517 – 596 mm |
| Reach | 376 – 412 mm |
