Shimano XTR CS-M9000 11-Speed Cassette Lockring for 11t Cog Model=Essential Downtube Frame Protection Kit Dual pivot caliper brake with

Dual pivot caliper brake with forged aluminum arms

Double or Triple DoubleDrivetrain Speeds 9Drivetrain Speeds 10Front Derailleur Clamp Braze-onFront Derailleur Cable Pull Bottom PullFront Der/Shifter Compatibility Shimano RoadMax Ring (teeth) 50Front Derailleur Style TraditionalCrank-FD Type Road DoubleDerailleur Capacity 16

60 Compound 1C Graphene Bead Folding Type Non-Tubeless Color Black

} Cogs are designed with narrow-wide alternating tooth pattern allowing for superior chain retention

Shimano XTR CS-M9000 11-Speed Cassette Lockring for 11t Cog Model=Essential Downtube Frame Protection Kit Dual pivot caliper brake withShimano XTR CS M9000 11 Speed Cassette Lockring for 11t Cog. Shimano Cassette Lock Rings