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

Product Specifics

• Largest Cog: 36
• Rear Der/Shifter Compatibility: Shimano Road Di2
• Rear Derailleur Mount Type: 10x1 Standard
• 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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Today's Stock Status

10+ Available to ship in 2-4 Business Days

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UPC: 192790310893
EAN: Not available
Manufacturer Part Number: Does Not Apply
RD0162
181524-Q0-L

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