Product Details

The Shimano GRX RD-RX400 rear derailleur is designed for smooth, consistent rear derailleur shifting on rough terrain.

Thanks to Shimano Shadow RD+ technology with on/off stabilizer, you don't have to worry about chain slaps or drops. The RD-RX400 is compatible with all current Shimano 10-speed STIs and with 10-speed cassettes up to 11-36.

  • Adjustable chain stabilizer prevents chain slapping and drops
  • Switch stabilizer ON/OFF to match the terrain
  • Gravel-tuned clutch tension
  • Silent and uninterrupted rear shifting on rough terrain
  • Smooth and reliable mixed surface shifting
  • Compatible with current road DUAL CONTROL LEVER

About Shimano
Established in Japan in 1921, Shimano is the worlds largest bicycle component manufacturer. Whether it be drive systems, brakes, pedals or shoes, Shimano stands for reliable quality and performance. From Road & Gravel to Mountain, Touring & Urban use, Mechanical or Electric.

Product Code IRDRX400
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$108.00
RRP $120.00 | Save 10%
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Product Details

The Shimano GRX RD-RX400 rear derailleur is designed for smooth, consistent rear derailleur shifting on rough terrain.

Thanks to Shimano Shadow RD+ technology with on/off stabilizer, you don't have to worry about chain slaps or drops. The RD-RX400 is compatible with all current Shimano 10-speed STIs and with 10-speed cassettes up to 11-36.

  • Adjustable chain stabilizer prevents chain slapping and drops
  • Switch stabilizer ON/OFF to match the terrain
  • Gravel-tuned clutch tension
  • Silent and uninterrupted rear shifting on rough terrain
  • Smooth and reliable mixed surface shifting
  • Compatible with current road DUAL CONTROL LEVER

About Shimano
Established in Japan in 1921, Shimano is the worlds largest bicycle component manufacturer. Whether it be drive systems, brakes, pedals or shoes, Shimano stands for reliable quality and performance. From Road & Gravel to Mountain, Touring & Urban use, Mechanical or Electric.