SHIMANO GRX RD-RX825 Shadow+ rear derailleur

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. Features: - Compact design with integrated wireless unit, charging port, and switch - Fast and reliable shifting on rough terrain Adjustable chain stabilizer prevents chain slap SHIMANO SHADOW RD+ - 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. - Top sprocket: Max. 11T/Min. 11T - Low sprocket: Max. 36T/Min. 34T - Total capacity: 40T Specifications: - Rear Speeds: 12-Speed - Rear Speeds: 12 - Type: Direct attachment (shadow+) - Low Sprocket (min): 34T - Low Sprocket (max): 36T