Shimano XT M8120 Rear Derailleur 12S - Gray/Black

The all-new Shimano Deore XT M8100 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.

Features
- Faster and shockless shifting
- Low-profile design
- Extra wide range with front double 36-26T & close step 12-speed drivetrain with low sprocket combination -10-45T
- Decreased rear derailleur and chain tension in low gear
- New bumper added to rear derailleur pulley cage
- Bigger 13T pulley

Specifications:
Brand: Shimano
Model: XT M8120
Average weight: 290 g
Compatible chain: HG 12-speed
Fluoric coated link bushings: 4
Pulley G pulley bearing: Sealed Bearing
Pulley Teeth: 13T
Pulley T pulley bearing: Sealed Bearing
Pulley cage: SGS
Rear speeds: 12, (Front double)
Top-Normal Spring Type: Shimano Shadow RD+