Cannondale Caad Optimo/Shimano 105/Orange/Size 58cm Posted January 2, 2024 Cannondale Caad Optimo/Shimano 105/Orange/Size 58cmCannondale 105 CAAD Optimo for sale. Handlebars: Cannondale C3, butted 6061 Alloy. Drivetrain: Shimano 105 11-speed.