The Shimano Deore XT RD-M8100-SGS Rear Derailleur sets the standard for 12-speed mountain performance, delivering precise, fast, and stable shifting even on the toughest trails. Designed with HYPERGLIDE+ technology, it enables seamless gear transitions under load, ensuring smoother pedaling and efficient power transfer across the entire cassette range.

Its SHIMANO SHADOW RD+ low-profile design minimizes chain slap and improves stability, while the integrated chain stabilizer and bumper-equipped pulley cage provide quieter operation and better chain management on rough terrain. The larger 13T pulleys enhance drivetrain efficiency, and the reduced tension in low gears helps maintain a silent, controlled ride in all conditions.

Key Features:

• Model: RD-M8100-SGS

• Series: Shimano Deore XT M8100

• Speed Compatibility: 12-Speed (1x12)

• Technology: SHIMANO SHADOW RD+, HYPERGLIDE+

• Mount Type: Direct Attachment (Conventional)

• Max Front Difference: 0T

• Total Capacity: 41T

• Low Sprocket Range: 51T (Max/Min)

• Top Sprocket Range: 10T (Max/Min)

• Pulley System: 13T sealed bearing G & T pulleys, fluoric-coated link bushings (7)

• B-Axle: Hollow Axle

• Average Weight: 284 g

• Optimized for 10-51T wide-range cassettes

• Perfect for aggressive trail and enduro riders seeking smooth, silent, and reliable performance.