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Shimano's GRX RX825 Di2 12-speed rear derailleur is designed to excel in mixed-terrain riding with its advanced features and reliable performance. Equipped with a built-in wireless connectivity unit and charging port, this derailleur ensures fast and consistent shifting while also offering convenient recharging options for extended adventures.
The integration of Shadow RD+ technology minimizes chain slap and maintains precise shifting, even in rugged terrain, enhancing rider confidence and control. Additionally, the built-in ON/OFF switch simplifies wheel removal, making maintenance tasks hassle-free.
The RD-RX825 is compatible with 11-34t and 11-36t 12-speed cassettes, providing versatility to tackle various riding conditions. Furthermore, it supports Full or Semi-Synchronized shift modes, allowing riders to customize their shifting preferences for optimal performance and efficiency on the trail. With the GRX RX825 Di2 rear derailleur, cyclists can enjoy smooth and reliable shifting, whether conquering gravel roads or tackling challenging off-road terrain.
- 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.
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Specs & Information
- Part Number: IRDRX825A
- UPC: 192790310893
- Color: Black
- Largest Cog: 36
- Rear Derailleur Mount Type: 10x1 Standard , Shimano Rear Direct Mount
- Chain Wrap Capacity (teeth): 40
- Cage Length: Long
- Rear Der/Shifter Compatibility: Shimano Road Di2
- Drivetrain Speeds: 12
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