Di2 RD-RX817 11 Speed Shadow+ Single Rear MechShimano GRX, with its gravel specific ergonomics, optimized gearing options, rugged reliability, and quiet and stable drivetrain, sets itself apart from the rest of the component world RD RX817: SHIMANO GRX DI2 Rear Derailleur SHIMANO SHADOW RD+ 42T Maximum Low Sprocket 11 Speed The SHIMANO GRX derailleur, featuring an integrated chain stabilizer mechanism, offers a quieter and more secure shifting experience on mixed terrain. A switchable ON OFF

Ideal for routine maintenance or a full service

Acts as a powerful degreaser in concentrate form

2 brow ports

200 & 203mm rotors

the Nomad 2 with integrated delivers exceptional comfort mile after mile

Hope PF46 30mm 83mm Shell

Forged central part

BSA MTB68SP

The outer plate design has been developed to reduce the chance of chain suck

Seamless Engineered Wicking

Ideal for headset servicing and replacement

Durable and highly breathable mesh fabric