XDS X-LAB AD9 DA Di2 24-Speed Road Bike (C50ULR Wheelset)

Product Overview

WorldTour proven. Wind-tunnel tested. The first Chinese bike to race at the highest level of professional cycling.

The XDS X-LAB AD9 DA Di2 is the flagship aero road bike from XDS's performance brand—the exact platform raced by Team XDS Astana in the UCI WorldTour. Developed through rigorous Computational Fluid Dynamics (CFD) analysis and validated at the Silverstone wind tunnel, the AD9 delivers a rare combination of aerodynamic efficiency, ultra-light weight, and pro-level stiffness.

At its core lies a frame crafted from Toray T1100 and M40X carbon fibre—the highest-performing commercial carbon fibre available. Complete builds tip the scales at a mere 6.82kg (Size L), achieving the UCI weight limit without sacrificing aerodynamic advantage or structural integrity. This is not an imitation. The AD9 is a recalibration of what a WorldTour-ready road bike can be.

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Key Features

🏆 WorldTour Proven – Raced by XDS Astana

• The official race bike of the XDS Astana UCI WorldTour team

• Developed and tested at the highest level of professional cycling

• Davide Ballerini rode a similar build in the 2025 Tour de France

• Proven capable of competing with established Western brands including Cervélo, Colnago, Specialized, and Trek

⚡ Ultra-Lightweight Toray T1100 + M40X Carbon Frame

• Frame weight: 850g (Size M, unpainted)

• Crafted from a precision blend of Toray T1100 and M40X carbon fibre—the highest-grade commercial carbon available

• Complete builds achieve the UCI minimum weight limit of 6.82kg (Size L)

• XDS's decades of carbon mastery, tested on championship-winning bikes

💨 Wind Tunnel Validated – CFD Engineered

• Developed using the latest Computational Fluid Dynamics (CFD) engineering techniques

• Subjected to strenuous wind tunnel testing at Silverstone

• Designed to 'rival top aero bikes on the market'

• Deep aerofoil down tube and seat tube, tapered head tube, and winglets on the fork dropouts—all optimised for drag reduction

⚙️ Shimano Dura-Ace Di2 12-Speed Electronic Shifting

• Full Shimano Dura-Ace Di2 R9270 24-speed electronic groupset—the pinnacle of Shimano's road cycling engineering

• Shimano Dura-Ace ST-R9270 Di2 shifters and FD-R9250/RD-R9250 Di2 derailleurs

• Semi-wireless architecture with lightning-fast, precise gear changes

• Shimano Dura-Ace CS-R9200 cassette with 11-34T range

🔬 Branta Carbon Power Meter Crankset – Train Smarter

• Branta carbon fibre crankset with integrated power meter—track your effort on every ride

• 1.0% accuracy with dual-sided measurement and 150 hours of runtime

• 52-36T chainrings with 29mm alloy spindle

• Apple Find My anti-theft technology integrated into the crankset—an extra layer of security and modern connected convenience

🛞 Branta C50 ULR Carbon Wheelset – Ultra-Light & Aero

• Branta C50 ULR carbon wheelset with carbon bladed spokes—just 1,230 grams for the pair

• 50mm deep-section rim balances aerodynamic efficiency with climbing agility

• T800/T1100 high modulus carbon rim construction with ceramic bearings

• 4.3mm ultra-thin spoke profile for reduced rotational weight

• Enhances acceleration, climbing response, and overall ride speed and responsiveness

🛑 Shimano Dura-Ace Hydraulic Disc Brakes

• Shimano Dura-Ace BR-R9270 hydraulic disc brakes

• Shimano SM-MT900 rotors—160mm front / 160mm rear for confident, consistent stopping power

🔧 Fully Integrated Cockpit

• Branta carbon one-piece integrated handlebar/stem

• Fully internal cable routing for a clean, aerodynamic front end

• Note: The internal routing is optimised for the included Branta one-piece handlebar, so using your own bar/stem is not seamless

🛠️ Modern Standards – Built for the Future

• UDH (Universal Derailleur Hanger) compatible—future-proof for SRAM Full-Mount derailleurs

• T47 86mm threaded bottom bracket—creak-free, easy to service, and compatible with modern power meter cranks

• Max tyre clearance: 32mm—run high-volume tyres for comfort and speed

🪑 Premium Finishing Kit

• Prologo Nago R4 PAS saddle with carbon rails (Team Edition Replica)—race-proven comfort and lightweight performance

• XDS Carbon Aero Seatpost—optimised for aerodynamic efficiency

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Specifications

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Geometry & Sizing

Sizing to be used as a reference only. Please check with a local authorised XDS dealer to determine the correct size.

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What's in the Box

• XDS X-LAB AD9 Complete Bike × 1

• XDS Carbon Frame (Toray T1100 + M40X)

• XDS Carbon Fork (100x12mm Thru-Axle)

• Shimano Dura-Ace Di2 12-Speed Electronic Groupset

• Branta Carbon Power Meter Crankset with Apple Find My

• Branta C50 ULR Carbon Wheelset (Front + Rear)

• Michelin Pro 5 700x28C Tyres × 2

• Branta Carbon One-Piece Integrated Handlebar/Stem

• XDS Carbon Aero Seatpost

• Prologo Nago R4 PAS Saddle (Carbon Rails)

• Tubeless valves and sealant (pre-installed)

• Pedals not included

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What Riders Are Saying

"The X-Lab AD9 is an extremely competent, sure-footed machine that really sets the stall out for Chinese bikes being more than a match for established Western brands. It isn't the most exciting to ride, but it didn't put a foot wrong and really lends itself to high-wattage sprints." — Cyclingnews

"The X-Lab AD9 is not just another aero bike, it's a recalibration of expectations in the industry." — Urban Pedaler

"车身很轻，这么轻的车身让我蹬踏起来轻松不少，能更高效地把力量传递到车轮上，节省了不少体力。另外它的加速性能特别好。" — Maruccelli, Professional Cyclist
(Translation: "The bike is very light—such a light body makes pedalling much easier and transfers power to the wheels more efficiently, saving a lot of energy. Its acceleration performance is also excellent.")

"On the road, the AD9 proved to be a solid and predictable machine. It's not the lightest or the most exciting, but it's a bike that you can trust to perform consistently." — Cyclingnews

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Why Choose the XDS X-LAB AD9?

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Common Questions

Q: Is the handlebar replaceable?

A: The internal cable routing is specifically optimised for the included Branta one-piece handlebar. Using a different bar/stem combo is possible but will not be seamless and is not recommended.

Q: What bottom bracket standard does the AD9 use?

A: T47 86mm threaded—creak-free, easy to service, and compatible with 24mm and 29mm cranks.

Q: What is the maximum tyre clearance?

A: The AD9 fits tyres up to 32mm.

Q: Does the bike include a power meter?

A: Yes—the Branta carbon crankset features an integrated power meter with 1.0% accuracy, dual-sided measurement, 150 hours of runtime, and Apple Find My anti-theft technology.

Q: Is the AD9 UCI compliant?

A: Yes—XDS conducts extensive testing to ISO and ASTM standards, and the frame is UCI compliant.

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Technical Notes

⚠️ Pedals: Not included — purchase separately according to your preference

⚠️ Cockpit: The fully internal cable routing is optimised for the included Branta one-piece handlebar. Using your own bar/stem is not seamless

⚠️ Geometry: The AD9 is optimised for performance and speed—it is less suited for ultra-endurance events

⚠️ Wheelset: Ships with Michelin Pro 5 700x28C tyres. Tubeless setup may require sealant refreshment

⚠️ Bottom Bracket: T47 86mm / 29mm — threaded, compatible with 24mm and 29mm cranks

⚠️ UDH: Compatible with SRAM Universal Derailleur Hanger for precise shifting and future-proof compatibility

⚠️ Warranty: Lifetime warranty on frame, fork, and carbon wheelset

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About XDS and X-LAB

XDS is one of the world's largest bicycle manufacturers, with decades of carbon fibre expertise producing bikes for major Western brands. X-LAB is XDS's performance brand—created to take on the best road bikes on the market. The AD9 is the brand's flagship aero platform, raced by the XDS Astana UCI WorldTour team. It represents a significant milestone as the first Chinese-branded bike to compete at the highest level of professional cycling, proving that Chinese engineering can stand shoulder-to-shoulder with the sport's most established names.