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Shimano Authorized Retailer FIST Certified

SRAM X9 9-Speed Rear Short Cage Derailleur Silver

Availability:In Stock (41 Available)
Your Price:$77.00

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AEBike Part Number: RD4639
Manufacturer:  SRAM
Manufacturer Part Number: 00.7515.044.020
UPC: 710845628337

Competition grade derailleur with full alloy pulley cage is available in 3 lengths.
  • 1:1 shifting ratio for reliable shifting and precise adjustability
  • Aluminum upper knuckle
  • Serviceable sealed bearing pulleys
  • 1:1 shifter-to-derailleur actuation ratio for precise light-action indexing
  • 2010 model has a lower profile
  • Compatible with 7-, 8-, and 9-speed systems
  • Must be used with ESP shifters
  • Pulley cage is weight-saving composite
  • Replaceable 11-tooth pulleys with bushings
Item Specifications
Largest Cog34
Chain Wrap Capacity32
Cage LengthShort
Drivetrain Speeds9
Rear Der/Shifter CompatibilitySRAM 1:1
Rear Derailleur Mount Type10x1 Standard
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