Shimano GRX RD-RX820 12 Speed Rear Derailleur For Double
188371

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Shimano GRX RD-RX820 12 Speed Rear Derailleur For Double
188371

£119.99 £103.10 save £16.89
Intervening prices may have been charged
Save up to £48.46 with Cycle2work
  • Fast and precise shifting
  • Chain stabilizer for excellent chain management
  • For 2x drivetrains

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Shimano GRX RD-RX820 12 Speed Rear Derailleur For Double
Shimano GRX RD-RX820 12 Speed Rear Derailleur For Double
£119.99 £103.10 save £16.89
Intervening prices may have been charged

Shimano GRX RD-RX820 12 Speed Rear Derailleur For Double

Features:
  • Silent and secure rear shifting on rough terrain
  • Adjustable chain stabilizer prevents chain slap and drops
  • Smooth and reliable shifting on mixed surfaces
  • ON/OFF stabilizer switch matches terrain
  • Wide gear ratio compatible up to 11-36T
  • For use with double chainset
  • Compatible with 12-speed Hyperglide+ chains
Enhanced chain security and quieter, more stable shifting for gravel riding.

The RD-RX820 is compatible with 11-34T and 11-36T 12-speed cassettes, providing a wide gear range so you can spin a comfortable cadence no matter the terrain type. The Shimano GRX 12-speed rear derailleur also features an integrated chain stabilizer that delivers quieter shifting and more secure chain management during rough rides. And the chain tensioner has an ON/OFF switch for outings on smooth surfaces.

Technical specifications:
  • Speeds: 12s
  • Shifting: Mechanical
  • Max tooth: 36T
  • Weight: 270g