Shimano GRX Di2 RD-RX825

SHIMANO's GRX 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. • Compact design with integrated wireless unit, charging port, and switch • Fast and reliable shifting on rough terrain • Adjustable chain stabilizer prevents chain slap • Gravel-tuned clutch tension • Switch stabilizer ON/OFF to match terrain: ON for gravel, OFF for smooth roads • LED status indicator • Battery indicator, pairing, adjust mode, etc.

• Max Front Difference: 17T
• Maximum Cog: 36T
• Minimum Cog: 11T
• Primary Color: Black
• Cage: GS
• RD Capacity: 40T
• RD Spring Type: Shadow Plus
• Speed: 12
• Mount: Standard

Special order - ships in 5-10 days from Hawley/Lambert.