Shimano DEORE RD-M8120 12 Rear Derailleur Long Black/Gray Sunshine_Enriched Nickel plated finish for corrosion

Nickel plated finish for corrosion resistance

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

Ramped center lugs keeps rolling resistance low

The Universal Derailleur Hanger consolidates thousands of hanger options across the industry

Shimano DEORE RD-M8120 12 Rear Derailleur Long Black/Gray Sunshine_Enriched Nickel plated finish for corrosionThe 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