The all-new Shimano Deore Shadow+ RD-M6100 12-Speed Rear Derailleur Long Cage 51T Max delivers advanced shifting performance with decreased tension in the low gear position. Larger 13T pulleys increase efficiency and chain management while compatibility with Shimano's new 12-speed cassettes boosts range. With the Shimano Deore Shadow+ RD-M6100 12-Speed Rear Derailleur Long Cage 51T Max you won't find yourself without options - it's reliable, looks great and delivers!

Features

• 1x12-speed SHIMANO SHADOW RD+ rear derailleur
• Fast and precise shifting for modern mountain biking
• Silent drivetrain in all gear positions
  • Decreased rear derailleur and chain tension in low gear
  • Bigger 13T pulley
• Stable drivetrain in rough terrain
  • Low-profile design avoids damage from rocks
  • Chain stabilizer reduces chain drop, slap and noise