NEW X-LAB RT9 Lightweight Performance Road Bike - Shimano Dura-Ace R9150 Di2 2x12 Speed, Carbon Wheels Size:M Utilizes the same proven MatchMaker

Utilizes the same proven MatchMaker X clamp system

this bar is a great addition to almost any bike

- Tire Insert air flow system keep air moving freely and compatible with most tire foam inserts

- 2x aluminum intergrated chainring offers crisp and accurate front shifts

From beginners to experts

NEW X-LAB RT9 Lightweight Performance Road Bike - Shimano Dura-Ace R9150 Di2 2x12 Speed, Carbon Wheels Size:M Utilizes the same proven MatchMakerSTOCK UPDATE 5 19 2026: We are anticipating RT9s to be restocked in June. X LAB RT9: The lightest production road frame ever built. 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. The RT9 is the lightest production road bike