Apex derailleurs share all the compatibilty and many of the featrues of higher priced options

• X-HORIZON design reduces shift force, eliminates ghost shifting and chain slap
• Compatible with 10-speed and 11-speed SRAM 1x road systems
• With CAGE LOCK technology, wheel removal and installation are easier than ever
• Equipped with Roller Bearing Clutch
• Large upper pulley offset automatically adjusts chain gap
• Long cage fits up to a 42 tooth cog
• Pulleys: Sealed cartridge bearings
• Outer Cage: Steel
• Compatibility: 10-speed and 11-speed SRAM 1x road systems
• Inner Cage: Steel
• Weight: 314g.
• Color: Black