Shimano RD-M4120 Deore SGS 10/11-Speed Direct Attachment Rear Derailleur

• Cage length: SGS/Long
• Total capacity: 41
• Max front difference: 10
• Mount: Direct attachment (conventional)/Direct mount compatible
• Number of pulley teeth: 11
• Max low sprocket: 42
• Min low sprocket: 42
• Rear speeds: 11/10
• Top normal spring type: Shimano Shadow RD