X-LAB XDS X-LAB RT9
In stock at 1 shop in New York City
Prices and stock checked Oct 22.
Where to buy
1 shopAbout this bike
The lightest production road frame ever built.
- World’s lightest production carbon road frame
- A WorldTour-proven climbing bike
- Highest performing commercial carbon fiber
- Branta C50 ULR 50mm 1230g Carbon Wheelset
The RT9 redefines what is possible in lightweight performance engineering.
Constructed from Toray T1100 carbon and refined through extensive structural analysis, the frame weighs an astonishing 550 grams while maintaining the stiffness and durability required for elite racing.
Show full description and specs
The result is a machine built for the purest expression of climbing performance with instant acceleration, unmatched efficiency, and effortless elevation gain.
The RT9 is the lightest production road bike frame in the world. Period.
Technical Specifications
- Frame
- XDS Carbon Frame, Toray T-1100 + M40X, UDH Compatible
Fork: XDS Carbon Fork, Toray T-1100, 100x12mm Thru-axle, Handlebar / STEM, Branta Carbon Integrated
- Seatpost
- XDS Carbon Seatpost, 27.2mm
- 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
- Cassette
- Shimano Dura-Ace CS-R9200, 11-34T
Crankset: Branta Carbon Power Meter Crankset, 52-36T,, 29mm Alloy Spindle, Apple Find My Anti-Theft Technology
- Bottom Bracket
- BSA 29mm
- Rotors
- Shimano SM-MT900, F:160mm R:140mm
- Chain
- Shimano CN-M9100
- Wheelset
- Branta C50 ULR, Carbon Rims & Spokes, Ceramic Bearings
- Tires
- Michelin Pro 5 700x28C, Max Tire Clearance: 30C
- Saddle
- Selle Italia SLR Boost, Carbon Rails
- Weight
- 6.20 kg / 13.64 lbs (Size L), SIZE Options, XS / S / M / L
