Sram Apex1 Rear Derailleur – 11 Speed
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Sram Apex1 Rear Derailleur – 11 Speed
Code: RDR09400
Sram Apex1 Rear Derailleur – 11 Speed

Sram’s Apex 1 drivetrain provides the gear range and the shifting simplicity to let you simply go where you want. The Apex 1 rear derailleur makes that gearing choice a reality with clean, crisp shifts, thanks to SRAM’s X-HORIZON geometry and our Roller Bearing Clutch. Just go: Apex 1 will get you there.



  • X-Horizon design reduces shift force, eliminates ghost shifting and chain slap.
  • Large upper pulley offset automatically adjusts chain gap.
  • Long cage: 11-42 cassette
  • With CAGE LOCK technology, wheel removal and installation are easier than ever.
  • Compatible with 10-speed and 11-speed SRAM 1x road systems.
  • Equipped with Roller Bearing Clutch.



  • Long Cage
  • Max Tooth: 42
  • Pulley Bearing Material: Steel
  • Cage Material: Aluminium