Shimano Deore M4120 SGS Shadow Rear Derailleur 10/11‑Speed Long Cage
• Model: Deore M4120 SGS. • Series: Deore. • Includes: Rear derailleur. • Mount type: Shimano Direct Mount. • Cage length: Long. • Long cage provides wide gear‑range compatibility. • SHADOW RD design reduces exposure to rocks and impacts.