The Shimano RD-M8100 Deore XT Rear Derailleur (1X12) is a high-performance component designed for mountain biking enthusiasts seeking precision and reliability. Weighing just 284 grams, this rear derailleur offers smooth and accurate shifting through its 12-speed gear range. The Shadow RD+ technology provides a quieter and more stable ride by minimizing chain slap and maintaining proper chain tension. The derailleur features a low-profile design to reduce the risk of damage from rocks and roots on the trail. With a maximum cassette sprocket size of 51T, the RD-M8100 is compatible with a wide range of gearing options. Upgrade your mountain bike with the Shimano RD-M8100 Deore XT Rear Derailleur for improved performance and durability on challenging terrain.