The X-LAB AD8 is a race-focused carbon road bike built to deliver aerodynamic performance and electronic shifting at a price point that typically doesn’t exist in the current market. Built with Toray T800 carbon, a full Shimano 105 Di2 groupset, carbon wheels, and a carbon power meter crankset, this is a complete high-performance system—not a bike that needs upgrades.
This platform takes WorldTour-level design concepts and brings them into a real-world build that riders can actually access.
Key Functional Details
- Toray T800 carbon frame and fork for lightweight stiffness and efficiency
- Shimano 105 Di2 12-speed electronic shifting system
- Branta carbon crankset with integrated power meter
- Apple Find My integrated into crankset for anti-theft tracking
- Branta C45 UL carbon wheelset with carbon spokes (1,330g)
- Fully integrated carbon cockpit for aerodynamic efficiency
- T47 threaded bottom bracket for durability and serviceability
- Race-ready geometry derived from AD9 platform
- Michelin Pro 5 tires for performance road grip and rolling speed
- Complete bike weight: 7.41kg (Size L)
Technical Specifications
| Frame |
XDS Carbon (Toray T800), UDH Compatible |
| Fork |
XDS Carbon (Toray T800), 100x12mm Thru-Axle |
| Drivetrain |
Shimano 105 Di2 12-Speed |
| Shifters |
Shimano 105 ST-R7120 Di2 |
| Rear Derailleur |
Shimano 105 RD-R7150 Di2 |
| Front Derailleur |
Shimano 105 FD-R7150 Di2 |
| Crankset |
Branta Carbon w/ Power Meter, 52/36T, 29mm spindle |
| Cassette |
Shimano 105 CS-R7101, 11-34T |
| Chain |
Shimano CN-M7100 |
| Brakes |
Shimano 105 Hydraulic Disc (BR-R7170) |
| Rotors |
Shimano SM-RT70, 160mm Front / 140mm Rear |
| Wheelset |
Branta C45 UL Carbon (Carbon Spokes) |
| Tires |
Michelin Pro 5, 700x28c |
| Handlebar/Stem |
Branta Carbon Integrated |
| Seatpost |
XDS Carbon, Aero Profile |
| Bottom Bracket |
T47 Threaded, 29mm |
| Weight |
7.41kg / 16.3 lbs (Size L) |
| Sizes |
XS / S / M / L / XL |
Compatibility & Technical Notes
Good Fit:
- Performance road riders seeking aerodynamic advantage
- Riders wanting electronic shifting without premium brand pricing
- Structured training riders needing built-in power meter
- Fast group rides, racing, and high-speed endurance riding
Not A Fit:
- Riders looking for relaxed upright geometry (race-oriented fit)
- Beginner riders needing high cockpit adjustability
- Riders unwilling to manage Di2 charging and setup
This is a race-oriented carbon platform designed for speed, efficiency, and performance consistency.
Service / Ownership Context
The T47 threaded bottom bracket provides a more reliable and serviceable interface compared to press-fit systems. Shimano Di2 requires periodic charging but offers consistent, precise shifting with minimal adjustment. Carbon wheels and spokes reduce rotational weight and improve acceleration.
Fit & Use Signals
- Ideal for riders moving into high-performance road cycling
- Strong option for racing, fast group rides, and training blocks
- Designed for riders prioritizing speed and efficiency
- Minimal upgrade path—core performance components already included
This is a major value disruption: Di2 + carbon wheels + carbon power meter crank at this price point is almost unheard of. Customers will question durability—Toray T800 is a premium carbon used across the industry. The 29mm spindle is less common than Shimano’s 24mm—BB is T47 so it’s serviceable, but replacement options are more specific. Di2 setup requires initial pairing and charging—set expectations. Carbon spokes reduce weight but require careful truing—shop service recommended. This bike eliminates the typical $2k+ upgrade path (wheels, power meter, drivetrain).
