SHIMANO GRX 12SPD REAR DERAILLEUR RD-RX825SHIMANO'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

5/50mm Chainline

Micro ratchet Freehub body design for quick pawl engagement every 10 degrees provides instant power transfer

✔Threaded bottom bracket shell width 73mm

Series SHIMANO ALIVIO

Weight: 205 g

Binding Dual sided

620 grams (175 mm

durability and smooth rolling

solid steel barrel

Clamp band             : Steel

extended tool life and provides excellent leverage and usage

Compatible chain                    : HG 9-speed