Shimano Sora R3030 Chainring (Black) (3 x 9 Speed) (110/74mm BCD) (Middle) (39T)

Description

Shimano Sora R3030 9-Speed Chainrings Specifications: Chainring Shape: Round Drive Type: 3x Speed Compatibility: 9 Speed Chainring BCD: 110mm Shimano Asymmetric (Outer, Middle), 74mm Shimano Asymmetric (Inner) Mount: 4-Bolt Material: Aluminum (Outer), Steel (Middle) Color: Black Weight: –