The Allegro 1 is the ultimate Opus endurance bike for the serious cyclist. It all starts with a state-of-the-art carbon frame for a light and comfortable ride. Opus' progressive geometry ensures optimal positioning and ideal handling for those long days in the saddle. Then, Opus gave it thru-axles and disc brakes for precision steering, stability, and incomparable stopping power. Lightweight tubeless-compatible wheels spin effortlessly over climbs, plus, the Allegro's wider tires take the sting out of the toughest roads. The 11-speed Shimano Ultegra drivetrain offers a wide range of gears to tackle any climb. Get out there and explore!