• X-HORIZON technology
  
• ROLLER BEARING CLUTCH technology
  
• CAGE LOCK technology
  
• X-ACTUATION technology
  
• 12T X-SYNC pulley wheels
  
• Silent pulley tooth design
  
• Weight: 256g
  
• SRAM Model ID: RD-X-1-A2

Attributes

Cage	Long
RD Weight	256g
Primary Color	Black
Speed	11
Max Front Difference	18T
Maximum Cog	42T