Delivery Time 3/4 weeks The evolution of Guerciotti Bike Evolution and design. The Eclipse product family returns with the Eclipse S Disc, a disc brake frame conceived to be extremely lightweight. Integrated cables inside frame and handlebar, innovative seat tube with finshaped design, disc brakes with speed release thru axle. You can’t help but fall in love with her. Tech frame Spec. carbon monocoque for disc brake Eclipse S integrated carbon handlebar carbon seat post Eclipse S thrue axle included Fork: Monocoque Disc 1-1/2"