Rear derailleur Shimano GRX RD-Rx825 12sp direct mount

Shimano GRX RD-Rx825 12v direct mount derailleur. Shimano product code: IRDRX825A

SHIMANO's GRX Di2 12-speed derailleur features an integrated 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 also easy. The RD-RX825 is compatible with 11-34T and 11-36T 12-speed cassettes and supports Full or Semi-Synchronous shifting modes, enhancing rider customization.

Specifications

Compact design with integrated wireless unit, charger and switch

・Fast and reliable shifting on rough terrain

»Adjustable chain stabilizer prevents chain skipping

»SHIMANO SHADOW RD+

・Gravel-tuned clutch tension

»Stabilizer ON/OFF button to suit terrain: ON for gravel, OFF for smooth roads

・LED status indicator

»Battery indicator, pairing, setting mode, etc.

・Large sprocket: Max. 11T/min. 11T

・Small sprocket: Max. 36T/min. 34T

・Total capacity: 40T