Ordered before 12:00 PM, shipped next business day*

The SHIMANO GRX rear derailleur is designed for a quieter riding experience and more reliable, precise shifting over varied terrain. With an integrated chain stabilizer, this derailleur prevents chain slap and drop, delivering silent, uninterrupted shifting even on rough terrain. The SHIMANO SHADOW RD+ delivers smooth, reliable shifting, while gravel-tuned clutch tension ensures optimal performance across a variety of terrain.


  • Model: RD-RX400
  • Series: GRX 10-speed
  • Color: Group color
  • Average weight: 303 grams
  • Compatible chain: HG-X 10-speed
  • Capacity: 41T
  • B-axis_Hollow axle: Yes
  • Cable adjuster: Yes
  • Direct mounting (conventional): Yes
  • Fluorine coated pivot bushings: 4
  • Largest sprocket Max.: 36T
  • Largest sprocket Min.: 32T
  • Max. difference/front: 16T
  • Derailleur pulley Recessed type derailleur pulley bolt: Yes
  • Derailleur pulley teeth: 11T
  • Top-Normal suspension type SHIMANO SHADOW RD+: Yes
  • Smallest sprocket Max.: 11T
  • Smallest sprocket Min.: 11T
  • Rear gears: 10

Shimano GRX RD-RX400 10 speed

SHIMANO  |  EAN/GTIN: 4550170448899
€70,99 Incl. VAT

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18 in stock
Ordered today = shipped next business day*
*Applies to in-stock items, shipped from our warehouse in the Netherlands
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Volume discount
Quantity Per unit Code
2+ items €69,57 €70,99 discount2
5+ items €67,44 €70,99 discount5
10+ items €63,89 €70,99 discount10
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