Shimano Deore XT Di2 RD-M8150-12 12-Speed Bicycle Derailleurs

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