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Designed for 1x 12 with cassettes up to 51T. 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.
SPECIFICATIONS:
| Model No. | RD-M8100-SGS |
| Series | DEORE XT M8100 Series |
| Color | Series color |
| Average weight | 284 g |
| Remarks | w/Bumper on pully cage |
| Compatible chain | HG 12-speed |
| Total capacity | 41T |
| B-axle_Hollow axle | Yes |
| Mount_Direct attachment (Conventional) | Yes |
| Fluoric coated link bushings | 7 |
| Low sprocket_Max. | 51T |
| Low sprocket_Min. | 51T |
| Max. front difference | 0T |
| Pulley_G pulley bearing | Sealed Bearing |
| Pulley_Sunken type pulley bolt | Yes |
| Pulley_Teeth | 13T |
| Pulley_T pulley bearing | Sealed Bearing |
| Pulley cage | SGS |
| Top-normal spring type_SHIMANO SHADOW RD+ | Yes |
| Top sprocket_Max. | 10T |
| Top sprocket_Min. | 10T |
| Rear speeds | 12 |