Shimano Dura-Ace 7950 50t 110mm
Shimano Dura-Ace 7950 50t 110mm 10-Speed Chainring Shimano Dura-Ace 7900 10-Speed Chainrings Compact, for use with 34 tooth inner chainring Hollowglide hollow chainring construction for rigidity and light weight Designed for use with 10-Speed asymmetrical Shimano road chains: CN-7901, CN-6701 and CN-5701 Color: Silver/Black Material: Aluminum Tooth Count: 53, 39, 50 Ring Position/Type: Outer Drivetrain Speeds: 10 Defined Color: Silver Chainring BCD: 130, 110.