Shimano XT RD M8120 SGS Rear Derailleur 12 Speed Long Cage Black For 2x CheckoutTitle=Shimano Nexus SG C7000 5R Internally Geared Hub 5 Speed Spoke Interface Straight Pull Skewer Spoke Interface Straight Pull Skewer Included No Defined Color Black Rear Axle 12mm Thru x 142mm Color Black Hub Drilling 24 Bearing Type Sealed Cartridge Hub Brake Compatibility Center Lock Disc Cassette Body Type Shimano SRAM 11 Speed Road Cassette Body Type Shimano SRAM 8 9 10 Speed 4 Bar Top Style Round Bar Reach (mm) 100 Color Silver Bar Drop (mm) 140 Weight 290 Accessory Mount Diameter 24 Drop Bend Style Traditional Cable Routing External Material Aluminum Width Measurement Center Width 37 Defined Color Silver Clip on Compatible No Drivetrain is silent in all gear positions with decreased rear derailleur and chain tension in low gear Shimano Shadow RD+ technology reduces chain slap and creates a quieter drivetrain