Shimano GRX RD-RX400

10-speed
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Product details

The Shimano GRX RD-RX400 is a highly advanced rear derailleur specifically designed for gravel riding. With its Shadow Plus construction, it offers improved chain stabilization that effectively prevents chain drop. This 10-speed derailleur ensures smooth and reliable shifting, even on varying terrain. The direct mount allows for easy installation, while the robust aluminum construction ensures durability. The GRX RD-RX400 is ideal for cyclists who value precision and performance, making it an excellent choice for demanding gravel tours.

  • Shadow Plus design for improved chain stabilization
  • Smooth shifting in changing conditions
  • Direct mount for easy installation
  • Robust aluminum construction for durability.

Key specifications

Bike area of use
Racing bikes
Cage length
Long
Item number
12206121

General information

Manufacturer
Shimano
Category
Rear derailleurs
Manufacturer no.
IRDRX400
Release date
20.10.2019
Sales rank in Category Rear derailleurs
21 of 376

Colour

Colour
Black
Exact colour description
Black

Material

Material group
Metal
Material
Aluminium

Compatibility

Cassette compatibility
10-speed
Maximum pinion size
36 x
Shift capacity
41 x

Rear derailleur properties

Bike area of use
Racing bikes
Cage length
Long
Fixation rear derailleur
Direct mounting
Design rear derailleur
Shadow+
Switching system
Mechanical-switch
Model year
2020

Origin

Country of origin
Cambodia, France

Voluntary climate contribution

CO₂-Emission
Climate contribution

Product dimensions

Weight
303 g

Package dimensions

Length
18.30 cm
Width
12.40 cm
Height
9.50 cm
Weight
462 g

30-day right of return
24 Months Warranty (Bring-in)
2 additional offers

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Rear derailleurs» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 1.Shimano
    0.1 %
  • 2.Sram
    0.9 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • 1.Shimano
    2 days
  • 2.Sram
    7 days

Return rate

How often is a product of this brand in the «Rear derailleurs» category returned?

Source: Digitec Galaxus
  • 1.Shimano
    3.3 %
  • 2.Sram
    5.2 %
Source: Digitec Galaxus