SRAM X5 Rear Derailleur - 10 Speed Medium Cage Black Reflective Sidewall-No R3 uses a carbon/kevlar twin

R3 uses a carbon/kevlar twin flex shell

}Full Speed Ahead SL-K Modular Crankset - 175mm 11/12-Speed 46/30t Direct Mount 90 BCD 386 EVO Spindle Interface Black

Neo Bearing Kit

}Wheels Manufacturing Derailleur Hanger - 123

SRAM X5 Rear Derailleur - 10 Speed Medium Cage Black Reflective Sidewall-No R3 uses a carbon/kevlar twinSRAM X5 Rear Derailleur 10 Speed Medium Cage Black. Affordable and reliable derailleur is great for repairs and upgrades. TECH SPECS Rear Derailleur Mount Type 10x1 Standard Rear Der Shifter Compatibility SRAM Exact Actuation Cage Length Medium Drivetrain Speeds 10 Weight 314 Color Black Chain Wrap Capacity (teeth) 35 Largest Cog 36