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Pick up to three components — ideally from the same category — and compare key specs, weight and price side by side.
 Shimano · DrivetrainDeore XT M8100 12-Speed | |
|---|---|
| Price | — |
| Weight | 284 g · RD-M8100-SGS, average weight per Shimano spec chart |
| E-bike rated | — |
| Speeds | 12 |
| Range | 10-45T / 10-51T |
| Shifting | Mechanical |
| Max. low sprocket | 51T |
| Derailleur hanger | UDH |
| Series | DEORE XT |
| Model no. | RD-M8100-SGS |
| Color / 1 | Series color |
| Rear speeds | 12 |
| Compatible chain | HG 12-speed |
| RD construction / SHIMANO SHADOW RD+ | Yes |
| Applicable derailleur hanger / SHIMANO MTB type / Direct attachment (conventional) | Yes |
| Applicable derailleur hanger / UDH standard | Yes |
| Max. front difference | 0T |
| Total capacity | 41T |
| Low sprocket / Max. | 51T |
| Low sprocket / Min. | 51T |
| Top sprocket / Max. | 10T |
| Top sprocket / Min. | 10T |
| Fluoric coated link bushings | 7 |
| Pulley / Guide pulley bearing | Sealed bearing |
| Pulley / Tension pulley bearing | Sealed bearing |
| Pulley / Teeth | 13T |
| Pulley / Screws material | Stainless steel |
| Pulley / Sunken type pulley screw | Yes |
| B-axle / Hollow axle | Yes |
| B-axle / Material | Stainless steel |
| Bracket body / Material | Aluminum |
| Bracket body / Finish | Painted |
| P-axle / Material | Steel |
| Plate body / Material | GFRP |
| Outer link / Material | Aluminum |
| Outer link / Finish | Painted |
| Inner link / Material | Aluminum |
| Inner link / Finish | Painted |
| Details | Full specs → |