WilierTriestina Cento 1SR Carbon Rim Brake Road Top tube is 52cm center to center Dura-ace 9000 series parts with Ultegra Rear. Di2. Crank is the replacement crank for the Shimano Recall. 172.5mm 54-40. Ultegra rear derailleur. WH-RS81 wheelset. Ritchey bar and stem.