XTR Long Cage Rear Derailleur 12-speed

Shimano XTR Long Cage Rear Derailleur 12-speed The XTR M9100 series of derailleurs brings a new level of drivetrain silence thank to decreased tension in the low gear position and an added bumper on the pulley cage. Larger 13T pulleys increase efficiency and chain management while compatibility with SHIMANO's new 12-speed cassettes boosts range. Details: Enhance shifting performance Optimized for new drive system Silent drivetrain Decreased rear derailleur tension at low gear position, to prevent high chain tension at low gear Add bumper at rear derailleur pulley cage Bigger 13T pulley Low profile design SHIMANO SHADOW RD+ Low sprocket combination 10-51T (12-speed) Tech Specs: Color- Series color Average weight- 240 Remarks- w/Bumper on pully cage Rear speeds- 12 Compatible chain- HG 12-speed Total capacity- 41T Low sprocket|Max.- 51T Low sprocket|Min.- 51T Top sprocket|Max.- 10T Top sprocket|Min.- 10T Fluoric coated link bushings- 8 Pulley|Guide pulley bearing- Sealed Bearing Pull