Basso Diamante SV Shimano Dura-Ace Road Bike 2018, Size 51cm Posted January 19, 2024 Basso Diamante SV Shimano Dura-Ace Road Bike 2018, Size 51cmFork Basso Diamante SV. Stem Basso Alloy, 130mm. If you love flying up climbs and racing back down this bike is for you. Crankset Shimano Dura-Ace, 53/36t.