Shimano GRX RD-RX822 Shadow+ 12 Speed Rear Derailleur - Rear Derailleur - 12 Speed - Black - Long Cage - 1x12 - 51T Max NoAusPost This light is conveniently powered

This light is conveniently powered by your E-bike motor/battery and doesn't require you to carry any other batteries

Shredding at high speed or tackling the most technical rock garden

please view your frame's manual

Compatible with the following Shimano crankset models: M782

Shimano GRX RD-RX822 Shadow+ 12 Speed Rear Derailleur - Rear Derailleur - 12 Speed - Black - Long Cage - 1x12 - 51T Max NoAusPost This light is conveniently poweredWith its integrated chain stabilizer and medium cage, the SHIMANO GRX rear derailleur delivers quieter shifting, better ground clearance and more secure chain management in rough terrain. The RD RX822 SGS is compatible with 10 51T, 12 speed SHIMANO MTB cassettes, and the chain tensioner has an ON OFF switch for easy wheel removal.