Shadow RD+ RX Rear Derailleur

Shadow RD+ RX Rear Derailleur

Ultegra RD-RX805-GS

The Ultegra RX Shadow RD+ rear derailleur is Shimano's first Di2 road rear derailleur with an integrated chain stabilizer mechanism. It allows for a quieter experience and smoother shifting on mixed terrain. The chain tensioner or clutch can be switched off using the ON/OFF button, for rides on smooth terrain.

It is a bit of a hybrid that sits somewhere in between the MTB and Road rear derailleurs - just like the GRX groupset.


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