Shimano DEORE RD-M8120 12 Rear Derailleur Long Black/Gray Sunshine_Enriched ROLLER BEARING CLUTCH technology delivers

ROLLER BEARING CLUTCH technology delivers maximum drivetrain stability-even through the most punishing terrain

Integrated design with shift lever

Compatible with any bike frame that has 2 standard 64mm spacing bottle cage mounts (most modern frames)

The UDH is designed to rotate rearward in the event of impact and features the ability to “re-rail” the chain back onto the small cog

Shimano DEORE RD-M8120 12 Rear Derailleur Long Black/Gray Sunshine_Enriched ROLLER BEARING CLUTCH technology deliversThe all new SHIMANO DEORE XT M8100 series of derailleurs brings a new level of drivetrain silence thank to decreased tension in the low gear position and an added bumper on the pulley cage. Larger 13T pulleys increase efficiency and chain management while compatibility with SHIMANO's new 12 speed cassettes boosts range. Fast and precise shifting performance optimized to take on any trail Faster and shockless shifting HYPERGLIDE+ Extra wide range with