Shimano XTR RD-M9100 and RD-M9120 12-Speed Rear Derailleur Pulley Set CheckoutSpec= Machine Blue along with the large pedal

along with the large pedal surface area

and is compatible in mounting all standard (non-Full Mount) derailleurs from SRAM

The G-Form Pro-X3 line is for all-day everyday protection for riders of all types

Chainring BCD 104 Color Black Defined Color Black Drivetrain Speeds 12 Material Steel Ring Position/Type Chain Retaining Single Ring Round or Oval Round Tooth Count 34

Number of Chainrings No Rings No Spider IncludedDrivetrain Speeds 12Drivetrain Speeds 13Chainline/Hub Compatibility 135/142 Road Disc Hubs < 415 mm ChainstayChainline/Hub Compatibility 135/142 Road Disc Hubs > 415 mm ChainstayColor Natural CarbonCrank Length (mm) 167

Shimano XTR RD-M9100 and RD-M9120 12-Speed Rear Derailleur Pulley Set CheckoutSpec= Machine Blue along with the large pedalShimano Rear Derailleur Pulley Assemblies Drivetrain Speeds 12 Fits Brand Shimano