Shimano Dura-Ace 7900 53t 130mm 10-Speed B-Type Outer Chainring

Shimano Dura-Ace 7900 10-Speed Chainrings Features-B-Type, for use with 39 tooth B-type inner chainring-Designed for use with 10-Speed asymmetrical Shimano road chains: CN-7901, CN-6711 and CN-5701-Hollowglide hollow chainring construction for rigidity and light weight Item Specifications-Color:Silver/Black-Material:Aluminum-Chainring BCD:130-Defined Color:Silver-Ring Position/TYPE:Outer-Drivetrain Speeds:10-Tooth Count:53

B-Type, for use with 39 tooth B-type inner chainring Hollowglide hollow chainring construction for rigidity and light weight Designed for use with 10-Speed asymmetrical Shimano road chains: CN-7901, CN-6711 and CN-5701