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Shimano
Shimano GRX RD-RX825 Di2 Rear Derailleur - 12-Speed, Long Cage, With Clutch, For 2x, Black
MPN: IRDRX825A · UPC: 192790310893
$445.00
In Stock — Ships in 4-9 Days
📦 Ships from Warehouse — 4-9 Business Days
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🏪 Free pickup: 26 Essex St (Rear), Andover MA · 978-270-4895
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Shimano's GRX RX825 Di2 12-speed rear derailleur features a built-in wireless connectivity unit and charging port, ensuring fast and reliable shifting for mixed-terrain riding and easy recharging. Integrated Shadow RD+ technology prevents chain slap and ensures precise shifting even on rough terrain. Thanks to built-in ON/OFF switch, wheel removal is easy too. The RD-RX825 is compatible with 11-34t and 11-36t 12-speed cassettes and supports Full or Semi-Synchronized shift modes, enhancing rider customization.
- ✓ Integrated wireless unit, charging port, and switch allows a compact design
- ✓ Offers fast and reliable shifting on rough terrain
- ✓ Adjustable chain stabilizer prevents chain slap
- ✓ Shimano Shadow RD+ offers a quiter drivetrain by utilizes a stablizer to reduce chain slap and provides a simple solution for chain drops
- ✓ Gravel-tuned clutch tension features a switch stabilizer ON/OFF to match terrain - ON for gravel, OFF for smooth roads
- ✓ LED status indicator to easier identify battery life, pairing, adjust mode, etc.
- ✓ Top sprocket: Max. 11t/Min. 11t
- ✓ Low sprocket: Max. 36t/Min. 34t
- ✓ Total Capacity: 40t
| Largest Cog | 36 |
| Rear Der/Shifter Compatibility | Shimano Road Di2 |
| Rear Derailleur Mount Type | Shimano Rear Direct Mount |
| Drivetrain Speeds | 12 |
| Chain Wrap Capacity (teeth) | 40 |
| Cage Length | Long |
| Color | Black |
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$445.00
In Stock — Ships in 4-9 Days