ULTEGRA RX RD-RX800 REAR DERAILLEUR

C$169.99
With an integrated chain stabilizer mechanism, the ULTEGRA RX derailleur provides a quieter experience and shifting security and precision on mixed terrain.

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For rides on smooth surfaces, the derailleur features and ON/OFF switch for the chain tensioner.

  • Road derailleur with Shadow+ clutch technology for improved chain retention
  • Ideal for CX and gravel bikes
  • Available in GS cage only
  • Maximum front difference: 16T
  • Total capacity: 39T
  • Compatible with 11-28 to 11-34 cassettes
  • 248g
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