Shimano Tiagra FC-4703 10-Speed Chainring - 39t, Asymmetric 110/74 BCD, Black, with Nut and Holder

Shimano chainrings for Tiagra FC-4703 3x crankset features a refined gear shape optimized for HG-X chains

• Crafted with high strength aluminum for durability and light weight
• For use with FC-4703 30t inner and 50t outer chainrings
• Asymmetric 110/74mm BCD

• Ring Position/Type: Middle
• Tooth Count: 39
• Drivetrain Speeds: 10
• Round or Oval: Round
• Chainring BCD: 74 Shimano Asymmetric
• Material: Aluminum
• Color: Black
• Defined Color: Black