GRX RD-RX820

Sale price$169.99

    With an integrated chain stabilizer mechanism, the GRX rear derailleur provides a quieter experience and shifting security and precision on mixed terrain. For rides on smooth surfaces, the derailleur features an on/off switch for the chain tensioner. The RD-RX820 rear derailleur is compatible with MTB cassettes with a 42T low sprocket max.
  • GRX 12 speed rear derailleur for double cranks
  • Adjustable chain stabilizer prevents chain slapping and drops
  • Gravel-tuned clutch tension can be toggled ON/OFF to match the terrain
  • Maximum front difference: 17T
  • Total capacity: 42T
  • Low sprocket: Max. 34T/Min. 30T
  • Top sprocket: 11T
Attributes
Minimum Cog 11T
RD Spring Type Shadow Plus
Max Front Difference 17T
RD Capacity 42T
Maximum Cog 34T
Cage GS
Primary Color Grey
Speed 12
Title: Shimano, GRX RD-RX820, Rear Derailleur, Speed: 12, Cage: GS, Grey

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