Shimano GRX Di2 RD-RX825

12-speed
Price in EUR including VAT, free shipping
1Ratings
Delivered between Tue, 24/6 and Thu, 26/6
More than 10 items in stock at supplier

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
Shimano
Category
Rear derailleurs
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

Voluntary climate contribution

CO₂-Emission
Climate contribution

Product dimensions

Weight
310 g

Legal Notice

Product Safety

14-day cancellation right
30-day right of return
24 Months statutory warranty

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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
    0,9 %

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
  • Sram
    Not enough data

Unfortunately, we don't have enough data for this category yet.

Return rate

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

Source: Galaxus
  • 1.Shimano
    3,3 %
  • 2.Sram
    4,5 %
Source: Galaxus