The SRAM Apex 1 is an 11-speed road and gravel 1x rear derailleur — bringing mechanical 1x simplicity to the accessible Apex tier. Compatible with 1x road and gravel builds where a single chainring is preferred for reduced cockpit complexity and lower maintenance, the Apex 1 pairs with Apex shifters and wide-range 11-speed cassettes.

Highlights

  • Apex 11-speed road/gravel 1x rear derailleur
  • Compatible with Apex DoubleTap shifters
  • Wide-range cassette capacity for 1x road and gravel gearing
  • Eliminates front derailleur for cleaner cockpit
  • Entry-level road/gravel 1x pricing

Fit and compatibility

11-speed road/gravel 1x rear derailleur. Compatible with SRAM Apex DoubleTap shifters and 11-speed road cassettes. Confirm maximum cog size and cage length for your cassette range before ordering.

Installation. Service. Compatibility. Find all the documentation needed to set up, use, and maintain your components in the SRAM Service hub.

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Features
  • Long cage fits up to a 42 tooth cog
  • With CAGE LOCK™ technology, wheel removal and installation are easier than ever
  • Equipped with Roller Bearing Clutch™
  • X-HORIZON™ design reduces shift force, eliminates ghost shifting and chain slap
  • Large upper pulley offset automatically adjusts chain gap

Specifications

Cage (RD) Long
Cable pull ratio Exact actuation
Speed (RD) 11s
Color (RD) Black
Cage material (RD) Aluminum
Pulley bearings material Steel
Max tooth 42
SKU SRM-RD-APX-1-A1
Model # RD-APX-1-A1
Barcode # RD-APX-1-A1
Brand SRAM