The all-new DEORE XT RD-M8150 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.

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

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

Connect directly to STEPS via E-TUBE cable EW-SD300