Rear derailleur Shimano XTR RD-M9100 SH+ 12-speed GS

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.Optimized for new drive system10-45T (12-speed)Decreased rear derailleur tension at low gear position, to prevent high chain tension at low gearAdd bumper at rear derailleur Pulley cage: for silent driveBigger 13T pulley28 mm better ground clearance (vs. RD-M9100-SGS)Enhance shifting performanceLow sprocket combinationSilent drivetrainLow profile designFor more aggressive ridingWeight: 237 gCompatible chain: CN-M9100Direct attachment (Conventional) Fluoric coated 8 link bushingsMaximum smallest sprocket: 45TMinimum smallest sprocket: 45TMaximum front difference: 0TSealed pulley bearingSunken type pulley bolt Pulley teeth: 13TPulley cage: GSRear speeds 12Top-Normal Spring Type SHIMANO SHADOW RD+Maximum biggest sprocket: 10TMinimum biggest sprocket: 10TTotal capacity: 35T