Shimano Ultegra FC-6503/6500 Crankset Material: Aluminum Color: Silver Number of Chainrings: Triple Chainring Teeth: 52/42/30 Speed: 9 Crankarm Length: 170mm Number of Chainring Bolts: 5-Bolt BCD: 130mm Shimano Ultegra FC-6503/6500 Crankset. Has some expected signs of use but nothing that effects operation. Ready to be mounted and used today. Please review pictures for condition. Please ask all questions before purchase.