E-MTB optimized 12-speed Di2 rear derailleur with game-changing FREE SHIFT functionality.
The all-new DEORE XT RD-M8150 12-speed rear derailleur combines race-proven quality with Shimano original technologies to help keep you flowing and focused on the right line. The new E-MTB optimized design allows full integration with SHIMANO E-Bike Systems and HYPERGLIDE+ drivetrains to unlock entirely new functionality. This system integration allows innovative features like FREE SHIFT. It's a simpler, more pure E-MTB experience only possible through the fusion of drivetrain engineering, e-bike system components, and electronic shifting intelligence.
FEATURES
- FREE SHIFT allows you to select the optimal gear while coasting into switchbacks or dynamic terrain changes, so you're always ready to charge with better balance and control
- Fast and precise shifting performance optimized to take on any trail
- HYPERGLIDE+
- Quick and smooth shifting under the heavier chain loads of e-bikes
- Power directly supplied from main STEPS battery
- Customize and run diagnostics with E-TUBE PROJECT
- Low-profile design offers uninterrupted rear shifting on rough terrain
- SHIMANO SHADOW RD+
- Connect directly to STEPS via E-TUBE cable EW-SD300
- Wide range: 10-51T
PRODUCT SPECIFICATIONS
| MODEL NO | RD-M8150-12 |
|---|---|
| SERIES | EP8 EP801 Series |
| Color | Series | Series |
| Average weight | 375 |
| Remarks | RD-M8150 is only for E-BIKE |
|---|---|
| Rear speeds | 12 - 12 |
| Compatible chain | HG 12-speed |
| Top-normal spring type|SHIMANO SHADOW RD+ | ✔ |
| Mount|Direct attachment (conventional) | ✔ |
| Max. front difference | 0T |
| Total capacity | 41T - 41T |
| Low sprocket|Max. | 51T |
| Low sprocket|Min. | 51T |
| Top sprocket|Max. | 10T - 10T |
| Top sprocket|Min. | 10T - 10T |
| Fluoric coated link bushings | 3 - 3 |
| Pulley|Guide pulley bearing | Sealed Bearing |
| Pulley|Tension pulley bearing | Sealed bearing |
| Pulley|Teeth | 13 - 13 |
| Pulley|Sunken type pulley screw | ✔ |
| B-axle|Hollow axle | ✔ |
| B-axle 2|Hollow axle | ✔ |
| Di2 connectivity wired|Di2 shifting | ✔ |
| SD50 port (pcs) | 0 |
| SD300 port (pcs) | 1 |
| SD50 connector (pcs) | 0 |
| SD300 connector (pcs) | 0 |
