Shimano GRX Di2 RD-RX825
12-speedMore 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.
| Bike area of use | Gravel |
| Cage length | Medium |
| Item number | 39186404 |
30-day right of returnReturn policy
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.Shimano0,2 %
- 2.Sram1,1 %
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- ShimanoNot enough data
- 1.Sram8 days
Return rate
How often is a product of this brand in the «Rear derailleurs» category returned?
Source: Galaxus- 1.Shimano3,4 %
- 2.Sram3,8 %