Shimano

Deore XT RD-M8260-SGS 12-speed Ebike Rear Derailleur - Di2, with TL-EW300

Shimano Deore XT RD-M8260-SGS is a 12-speed Di2 e-bike rear derailleur built for modern E-MTB drivetrains using HYPERGLIDE+. It combines fast, consistent electronic shifting with e-bike-specific functions that keep momentum and cadence easier to manage on rolling terrain and technical climbs. With Direct Wired power from the bike’s main battery, it delivers stable shift performance without relying on a separate back-up battery, and includes TL-EW300 for E-TUBE service and setup support.

Why it’s different on an E-MTB drivetrain

• Wireless Di2 shifting - Crisp, repeatable shifts under real trail loads, with reduced performance drift compared to cable-actuated systems
• Direct Wired power from the main e-bike battery - Consistent power supply for reliable shifting on long rides, without adding a dedicated derailleur battery to manage
• FREE SHIFT E-Bike Technology - Allows shifting while coasting, helping riders select the next gear before re-engaging the pedals on flats and descents
• AUTO SHIFT sensors - Supports automatic gear changes while pedaling to help maintain a steadier cadence as speed and gradient change
• SHADOW ES design - Slimmer, more protected profile that helps reduce trail-strike exposure while keeping chain control consistent
• Reinforced long-cage construction (SGS) - Wide link structure, skid-plate design, durable aluminum plate, and solid pulley build durability for E-MTB torque and impacts