Shimano GRX Di2 RD-RX825

12-speed
Price in EUR including VAT
Delivered between Wed, 9.4. and Fri, 11.4.
More than 10 items in stock at supplier
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Product details

The Shimano GRX Di2 12-speed rear derailleur features an integrated wireless connection unit and a charging port, ensuring quick and reliable gear shifts on mixed terrain as well as easy recharging. The integrated Shadow RD+ technology prevents chain slap and guarantees precise gear changes, even on rough terrain. Thanks to the built-in on/off switch, removing the wheels is also straightforward. The RD-RX825 is compatible with 12-speed cassettes 11-34D and 11-36D and accepts synchronized or semi-synchronized shifting modes to enhance customization options for the rider.

  • Compact design with integrated wireless unit, charging port, and switch
  • Fast and reliable gear shifts on uneven terrain
  • Adjustable chain tensioner prevents chain slap
  • Shimano Shadow RD+ derailleur
  • Derailleur tension tuned for gravel riding
  • Stabilizer can be activated or deactivated depending on terrain: ON for gravel, OFF for smooth roads
  • LED status indicator
  • Battery indicator, pairing, setup mode, etc.
  • Small sprocket: Max. 11D/Min. 11D
  • Large sprocket: Max. 36D/Min. 34D
  • Total capacity: 40 teeth
  • Type: Direct mount (Shadow +)
  • Packaging: Individual packaging
  • Affected countries: Group 1.

Key specifications

Bike area of use
Gravel
Cage length
Medium
Item number
39186404

General information

Manufacturer
Category
Manufacturer no.
IRDRX825A
Release date
23.5.2024

Colour

Colour
Black
Exact colour description
Black

Material

Material group
Metal
Material
Aluminium

Compatibility

Cassette compatibility
12-speed
Maximum pinion size
34 x
Shift capacity
40 x

Rear derailleur properties

Bike area of use
Gravel
Cage length
Medium
Fixation rear derailleur
Direct mounting
Design rear derailleur
Shadow+
Switching system
Electric
Circuitry
Low-Normal
Model year
2024

Origin

Country of origin
Japan

Product dimensions

Weight
310 g

Legal Notice

Product Safety

14-day cancellation right
30-day right of return
Return policy
24 Months Statutory warrantyGuarantee provisions

Reviews & Ratings

Statutory warranty score

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

Source: Galaxus
  • 1.Shimano
    0,2 %
  • 2.Sram
    1,1 %

Statutory 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: Galaxus
  • Shimano
    Not enough data
  • 1.Sram
    8 days

Return rate

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

Source: Galaxus
  • 1.Shimano
    3,4 %
  • 2.Sram
    3,8 %