The Reason is our uncompromising modern road bike. It is a powerful and fast machine that effectively tra3nslates monotonous muscle play into motion. The frame itself is made from high strength Columbus Spirit HSS steel, which gives the bike the essential characteristics – perfect rigidity, long life, and unique comfort. It also presents the possibility to use tires up to 700x28c. Technical details determine the nature of our products, their design is based on function. The tapered head tube and T47 bottom bracket ensure ideal energy transfer. To facilitate the use of disc brakes and thru axles, we have developed our own stainless steel flat-mount dropouts. Our internal cable routing is compatible with both mechanical and electronic shifting. The Reason is available in several configurations, three colors, and six frame sizes. For custom colors thru the #Decodeyourindividuality program, kindly message us directly Frame Material Columbus Spirit HSS | Steel Fork Columbus Futura Disc | 1 1/8" - 1 1/2" | 300mm Steerer Headset IS42/28,6 - IS52/40 Dropouts Stainless Steel Dropouts | Cast | Flatmount Head Tube Tapered | 1 1/8" - 1 1/2" Bottom Bracket Shell T47 - 68mm Rear Dropouts Spacing 142x12 | M12x1 | 167,7mm Front Dropouts Spacing 100x12 | M12x1,5 | E-thru Max Rotor Size Rear 160mm | Front 160mm Seatpost Diameter 31,6mm Seat Clamp Diameter 34,9mm Front Derauilleur Clamp Diameter 34,9mm Maximum Tire Clearance 700x28c Cable Routing Internal Routing | Mechanical, EPS, Di2 and eTap Compatible