Shimano GRX RD-RX825 Di2 Rear Derailleur – 12-Speed Long Cage With Clutch For 2x BLK

Shimano GRX RD-RX825 Di2 Rear Derailleur – 12-Speed Long Cage With Clutch For 2x Black. 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 the 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 allow a compact design
• Offers fast and reliable shifting on rough terrain
• Adjustable chain stabilizer prevents chain slap
• Shimano Shadow RD+ offers a quieter drivetrain by utilizing a stabilizer 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 more easily identify battery life, pairing, adjust mode, etc.
• Top sprocket: Max. 11t / Min. 11t
• Low sprocket: Max. 36t / Min. 34t
• Total Capacity: 40t

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