Shimano Dura-Ace RD-R9100 11-Speed Rear Derailleur Pulley Set Model=Flow MK4 Rear Wheel Ring Position/Type Chain Retaining Single

Ring Position/Type Chain Retaining Single Ring Tooth Count 40 Round or Oval Round Drivetrain Speeds 9 Drivetrain Speeds 10 Drivetrain Speeds 11 Drivetrain Speeds 12 Offset 6 Chainline/Hub Compatibility 130 Hubs Material Aluminum Defined Color Black Direct Mount Type Direct Mount SRAM

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Since its inception in 2016

Color Black Ring Position/Type Chain Retaining Single Ring Tooth Count 38 Round or Oval Oval Drivetrain Speeds 9 Drivetrain Speeds 10 Drivetrain Speeds 11 Drivetrain Speeds 12 Chainring BCD 107 Material Aluminum Defined Color Black

Shimano Dura-Ace RD-R9100 11-Speed Rear Derailleur Pulley Set Model=Flow MK4 Rear Wheel Ring Position/Type Chain Retaining SingleShimano Dura Ace RD R9100 11 Speed Rear Derailleur Pulley Set. Shimano Rear Derailleur Pulley Assemblies TECH SPECS Fits Brand Shimano Drivetrain Speeds 11