Shimano Deore XT Di2 Rear Derailleur 1x12-speed

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 controlFast and precise shifting performance optimized to take on any trailHYPERGLIDE+
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
Average weight	375

Remarks	RD-M8150 is only for E-BIKE
Rear speeds	12
Compatible chain	HG 12-speed
Top-normal spring type\|SHIMANO SHADOW RD+	✔
Mount\|Direct attachment (conventional)	✔
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	3
Pulley\|Guide pulley bearing	Sealed Bearing
Pulley\|Tension pulley bearing	Sealed bearing
Pulley\|Teeth	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

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