⚙️ Shift smarter, ride smoother — own the trail with Shimano’s tech edge!
The SHIMANO GRX RD-RX825 is a 12-speed Di2 rear derailleur designed for gravel and mixed terrain cycling. Featuring an integrated wireless unit with charging port, adjustable chain stabilizer, and Shimano’s Shadow RD+ technology, it delivers fast, precise, and quiet shifting. Its gravel-tuned clutch tension switch allows riders to optimize performance for varying surfaces, making it a must-have for serious cyclists seeking reliability and innovation.
| Item Package Dimensions L x W x H | 10 x 8 x 2 inches |
| Package Weight | 0.75 Pounds |
| Item Dimensions LxWxH | 6.35 x 6.11 x 3.83 inches |
| Item Weight | 1.1 Pounds |
| Brand Name | SHIMANO |
| Color | Black |
| Suggested Users | mens |
| Manufacturer | Shimano |
| Part Number | IRDRX825A |
| Size | Rear, 12-Speed |
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