Shimano GRX 10sp Rear Derailleur RD-RX400

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  • Regular price $149.00
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RD-RX400

SHIMANO GRX - Rear Derailleur - SHIMANO SHADOW RD+ - 10-speed

With an integrated chain stabilizer mechanism, the SHIMANO GRX derailleur provides a quieter experience and shifting security and precision on mixed terrain. For rides on smooth surfaces, the derailleur features and ON/OFF switch for the chain tensioner.

  • Silent and uninterrupted rear shifting on rough terrain
  • Adjustable chain stabilizer prevents chain slapping and drops
  • SHIMANO SHADOW RD+
  • Smooth and reliable mixed surface shifting
  • Switch stabilizer ON/OFF to match the terrain
  • Gravel-tuned clutch tension
  • Compatible with current 10s road DUAL CONTROL LEVER
  • Wide range front gearing
  • Maximum front T difference: 16T
  • Top sprocket: Max. 11T/Min. 11T
  • Low sprocket: Max. 36T/Min. 32T
  • Total capacity: 41T