Sram X1 rear derailleur X-Horizon 11-speed - long cage grey.

Every detail of the 11-speed X1 X-HORIZON™ rear derailleur is engineered for smooth, reliable shifting action—from the larger upper pulley offset to the 12-tooth X-SYNC™ pulley wheels. By eliminating unwanted chain movement, X-HORIZON™ shifts faster, puts an end to ghost shifting and reduces shift force and chain slap. And with CAGE LOCK™ technology, wheel removal and installation are easier than ever.

Features:

• X-HORIZON™ design reduces shift force, ghost shifting and chain slap
• 12-tooth X-SYNC™ pulley wheels
• Large upper pulley offset automatically adjusts chain gap
• Sealed cartridge bearings
• Aluminium Cage
• Weight: 256g