Technologies
HyperGlide+ – drivetrain’s redesigned cassette and chain promotes the next generation of MTB riding by enhancing speed, shifting efficiency and smoothness over any terrain.

Shimano Shadow RD+ – Less distraction quiet drive train. Rear derailleur stabilizer reduces chain slap. Simple solution for chain drop. Lighter and more efficient than roller type chain device
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Features
Faster and shockless shifting
Low-profile design
Wide range 12-speed drivetrain with low sprocket combination -10-51T
Decreased rear derailleur and chain tension in low gear
New bumper added to rear derailleur pulley cage
Bigger 13T pulley
Fast and precise shifting performance optimized to take on any trail
Silent drivetrain in all gear positions
Stable drivetrain on rough terrain
Specifications
| B-Axle – Hollow axle | Yes |
|---|---|
| Compatible chain | HG 12-speed |
| Direct attachment (Conventional) | Yes |
| Fluoric coated link bushings | 4 |
| Low sprocket – Max. | 51T |
| Low sprocket – Min. | 45T |
| Max. front difference | 0T |
| Pulley – G pulley bearing | Sealed Bearing |
| Pulley – Sunken type pulley bolt | Ye |
| Pulley – Teeth | 13T |
| Pulley – T pulley bearing | Sealed Bearing |
| Pulley cage | SGS |
| Rear speeds | 12 |
| Top-Normal Spring Type | Shimano Shadow RD+ |
| Top sprocket – Max. | 10T |
| Top sprocket – Min. | 10T |
| Total capacity | 41T |









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