X-LAB AD8 Shimano 105 Di2 Road Bike, Starlight Blue/White

Experience race-day speed without the superbike price tag. The X-LAB AD8 Shimano 105 Di2 Road Bike, Starlight Blue/White, is a high-performance aero road bike inspired by the WorldTour-proven AD9, sharing the same aerodynamic frame design and aggressive race geometry. Constructed from responsive Toray T800 carbon, the AD8 balances low weight, stiffness, and durability for fast group rides, criteriums, solo training efforts, and competitive road racing. Shimano 105 Di2 provides quick, precise electronic shifting, while the Branta carbon crankset includes a dual-sided power meter to help you train and race with accurate performance data. Branta C45 UL carbon wheels with carbon spokes keep the complete bike remarkably light and responsive. The integrated carbon cockpit, aero-profile seatpost, and internal cable routing complete its clean, speed-focused design. With a claimed weight of just 16.3 pounds in size Large, the X-LAB AD8 delivers genuine racing performance for riders ready to take their speed to the next level. Features WorldTour-inspired aerodynamic frame design and race geometry Lightweight Toray T800 carbon frame and fork Shimano 105 Di2 electronic drivetrain Branta carbon crankset with an integrated dual-sided power meter ANT+ and Bluetooth power-data connectivity Apple Find My anti-theft technology integrated into the crankset Lightweight Branta C45 UL carbon wheels with carbon spokes Fully integrated Branta carbon handlebar and stem Shimano 105 hydraulic disc brakes Aero-profile carbon seatpost Tubeless-ready carbon rims and Michelin Pro 5 tires Clearance for tires up to 32C UDH-compatible frame Selle Italia SLR Boost saddle with carbon rails Claimed complete-bike weight of 16.3 pounds in size Large Specifications Component Specification Frame XDS Toray T800 carbon frame, UDH compatible Fork XDS Toray T800 carbon fork, 100 x 12mm thru-axle Handlebar/Stem Branta integrated carbon cockpit Seatpost XDS carbon seatpost, aero profile Rear Derailleur Shimano 105 RD-R7150 Di2 Front Derailleur Shimano 105 FD-R7150 Di2 Shifters Shimano 105 ST-R7170 Di2 Brakes Shimano 105 BR-R7170 hydraulic disc brakes Brake Rotors Shimano SM-RT70, 160mm front and 140mm rear Cassette Shimano 105 CS-R7101, 11–34T Crankset Branta carbon dual-sided power-meter crankset, 52/36T Crank Technology 29mm alloy spindle and Apple Find My anti-theft technology Bottom Bracket T47, 29mm Chain Shimano CN-M7100 Wheelset Branta C45 UL carbon rims and carbon spokes Wheelset Weight Approximately 1,330g Tires Michelin Pro 5, 700 x 28C Maximum Tire Clearance 32C Tubeless Ready Yes; tubeless rim tape installed Saddle Selle Italia SLR Boost with carbon rails Weight Approximately 7.41kg / 16.3 lb, size Large Sizes XS, S, M, L and XL Color Sunspot Red/Black Rider and Gear Weight Limit 220 lb / 100kg X-LAB AD8 Frequently Asked Questions What type of rider is the X-LAB AD8 designed for? The X-LAB AD8 is designed for serious road cyclists who want aerodynamic performance, responsive handling, electronic shifting, and premium carbon components. It is an excellent choice for fast group rides, criteriums, road racing, and high-speed training. What is the X-LAB AD8 frame made from? The frame and fork are constructed with Toray T800 carbon fiber. This material provides a performance-focused balance of low weight, stiffness, responsiveness, and durability. Does the X-LAB AD8 include electronic shifting? Yes. The AD8 is equipped with a Shimano 105 Di2 electronic drivetrain, providing fast, precise, and consistent shifting. Does the X-LAB AD8 come with a power meter? Yes. The Branta carbon crankset includes an integrated dual-sided power meter that measures power from the left and right legs separately. Can the power meter connect to a cycling computer? Yes. The integrated power meter can connect to most major cycling computers and compatible fitness devices through ANT+. It can also share live power data with the X-LAB Bikes mobile app through Bluetooth. What is the Apple Find My feature on the AD8? Apple Find My technology is integrated into the Branta crankset to provide an additional way for compatible Apple users to locate the bicycle. This feature can assist with tracking but should not replace a quality bicycle lock or other theft-prevention measures. Are the X-LAB AD8 wheels and tires tubeless ready? Yes. The Branta carbon rims and Michelin tires are tubeless ready, and tubeless rim tape is already installed. Tubeless valves and sealant are sold separately. What is the maximum tire clearance? The X-LAB AD8 has clearance for tires up to 32C, allowing riders to choose a wider road tire for additional traction, comfort, and control. How much does the X-LAB AD8 weigh? The claimed complete-bike weight is approximately 7.41kg, or 16.3 pounds, for a size Large. Actual weight may vary depending on frame size, production components, and accessories. What sizes are available? The X-LAB AD8 is offered in XS, S, M, L, and XL. Contact Bixby Bicycles for professional sizing assistance and current size availability. What is the rider weight limit? The AD8 has a total weight limit of 220 pounds, or 100kg. This limit includes the rider, clothing, accessories, and any gear carried on the bicycle. Is the X-LAB AD8 compatible with a UDH derailleur hanger? Yes. The AD8 frame uses the Universal Derailleur Hanger standard, commonly known as UDH. Where can I purchase and service the X-LAB AD8? Contact Bixby Bicycles for current AD8 availability, professional sizing, assembly, component guidance, and ongoing bicycle service.