SHIMANO GRX Di2 RD-RX817 1x11-SPEED REAR DERAILLEUR exclude_standard_shipping compatible parts may be substituted

compatible parts may be substituted at any time without notice

Bolts: T25

BR-MT520 and BR-MT420 4-piston disc brake

Volumen reducer: 0/3 Tokens

1x Display

SHIMANO GRX Di2 RD-RX817 1x11-SPEED REAR DERAILLEUR exclude_standard_shipping compatible parts may be substitutedThe Shimano RD RX817 GRX Di2 rear derailleur delivers quiet, smooth and precise shifting across demanding gravel terrain. Engineered with SHADOW RD+ chain stabilisation, it minimises chain bounce and ensures reliable performance on rough surfaces. This 11 speed derailleur features Di2 electronic shifting for swift, accurate gear changes and is constructed from cold forged aluminium for lightweight durability. Fully compatible with 11 speed E tube Di2