Sram GX type 2.1 rear derailleur – 10v

Sram GX type 2.1 rear derailleur – 10 v.

• 10 speeds.
• aluminum.
• long cage.
• Maximum crown: 42D.
• SRAM 2×10 compatibility.
• technology: X Actuation, Cage Lock, Roller Bearing Clutch, X-Horizon, X-Sync.