The OPEN Upper-Concept is a high-performance carbon gravel bike frame designed for versatile riding across mixed terrain. Suitable for cyclists seeking a lightweight and responsive platform, it accommodates both road and off-road use. The frame is engineered by OPEN, a brand recognized for innovative gravel and adventure bike designs. Constructed from high-modulus carbon fiber for reduced weight and increased stiffness Compatible with both 700c and 650b wheel sizes Clearance for wide tires, typically up to 700x40mm or 650x47mm Flat mount disc brake standard for improved braking performance Internal cable routing for a clean appearance and protection from debris Threaded bottom bracket for ease of maintenance Multiple mounting points for bottles and accessories Tapered head tube for enhanced front-end stiffness Designed for 1x or 2x drivetrain compatibility Technical Note: The OPEN Upper-Concept frame is optimized for gravel and adventure cycling, offering a balance between low weight and durability. It is compatible with a range of drivetrain and wheel configurations to suit different riding preferences. Available Variants: Default Title: DEPO-BCN-0002