The X-Lab AD9 is the top-level aero road bike in the X-Lab lineup, built around a Toray T-1100 carbon frame, Shimano Dura-Ace Di2 drivetrain, integrated power meter crankset, and full carbon Branta C50 ULR wheelset with carbon spokes. This is a true race bike designed for riders who want pro-level aero performance without stepping into the typical $12,000–$14,000 price category from larger brands.
Key Functional Details
- Toray T-1100 full carbon aero frame and fork
- Shimano Dura-Ace R9250 Di2 2x12 electronic drivetrain
- Branta carbon crankset with integrated power meter
- Apple Find My anti-theft technology integrated into crankset
- Branta C50 ULR carbon wheelset with carbon spokes
- Integrated Branta carbon cockpit (bar + stem)
- T47 bottom bracket with 29mm alloy spindle
- UDH compatible rear dropout
- Michelin Pro 5 700x28c tires
- Claimed weight: 6.82 kg / 15.03 lbs (Size L)
Technical Specifications
| Frame |
XDS Carbon Frame, Toray T-1100, UDH Compatible |
| Fork |
XDS Carbon Fork, Toray T-1100, 100x12mm Thru-Axle |
| Handlebar / Stem |
Branta Carbon Integrated Cockpit |
| Seatpost |
XDS Carbon Aero Seatpost |
| Rear Derailleur |
Shimano Dura-Ace RD-R9250 Di2 |
| Front Derailleur |
Shimano Dura-Ace FD-R9250 Di2 |
| Shifters |
Shimano Dura-Ace ST-R9270 Di2 |
| Brakes |
Shimano Dura-Ace BR-R9270 Hydraulic Disc |
| Cassette |
Shimano Dura-Ace CS-R9200 11-34T |
| Crankset |
Branta Carbon Power Meter Crankset, 52/36T, 29mm Alloy Spindle, Apple Find My |
| Bottom Bracket |
T47 / 29mm |
| Rotors |
Shimano SM-MT900 Front 160mm / Rear 140mm |
| Chain |
Shimano CN-M9100 |
| Wheelset |
Branta C50 ULR Carbon Wheels with Carbon Spokes |
| Tires |
Michelin Pro 5 700x28c |
| Saddle |
Prologo Nago R4 PAS Carbon Rails (Team Replica) / Selle Italia SLR Boost Carbon Rails (Hawkeye) |
| Claimed Weight |
6.82 kg / 15.03 lbs (Size L) |
| Sizes |
XS / S / M / L / XL |
Compatibility & Technical Notes
Good Fit: Strong riders, racers, triathletes, and performance-focused road cyclists looking for a true aero race platform with elite-level spec. Ideal for riders who want Dura-Ace Di2, integrated power data, and carbon wheel performance without paying traditional superbike pricing.
Not A Fit: Not ideal for riders prioritizing comfort-first endurance geometry, relaxed fit, or heavy all-road use. Not a good fit for riders who frequently change stem length or handlebar width since the integrated cockpit limits quick fit changes. Not ideal for beginners still figuring out aggressive road positioning.
This is a full aero race bike with integrated routing and an aggressive front-end. Fit matters. Integrated cockpits are clean and fast, but sizing mistakes are more expensive than traditional bar/stem setups. The T47 bottom bracket is a major positive for serviceability compared to many press-fit systems. UDH compatibility also helps future hanger support and replacement.
Service / Ownership Context
The AD9 is built like a true flagship race machine. The included power meter saves a major upgrade cost most brands leave for later, and the Branta carbon wheelset with carbon spokes puts this bike directly against bikes that typically retail for significantly more. This is the kind of bike where proper initial fit, torque setup, and Di2 setup matter from day one. We strongly recommend professional fit confirmation before final delivery.
Fit & Use Signals
- Best for aero road racing, fast group rides, triathlon prep, and high-speed climbing
- Good for riders who already know their fit numbers and riding position preferences
- Excellent value compared to other Dura-Ace Di2 superbikes in the $12k+ category
- Less ideal for casual fitness riding or frequent fit experimentation
- Best when purchased with professional sizing guidance due to integrated cockpit limitations
This is the bike customers compare against S-Works, Madone SLR, Dogma, and Aeroad builds. The major hidden value is the included power meter and carbon spoke wheelset—those are often expensive upgrades added after purchase elsewhere. The T47 bottom bracket is a big mechanic win because it is easier to service and quieter long-term than many press-fit systems. Biggest buying mistake is wrong cockpit sizing—bar width and stem length matter here because integrated systems are expensive to swap. Strong upsells include bike fit, ceramic cage bottles, race tires, power meter head unit pairing, and premium pedals. This is not the bike to “figure out your fit later.”
