GRX Rear Derailleur 10-speed (RD-RX400) The North Face The pedal's integrated cage protects

The pedal's integrated cage protects bindings from impacts and acts as a guide for easier engagement

But of course

The center tread features ramped leading edges to improve acceleration and sipes to create a smooth transition when leaning the bike

adjustability and weight savings

GRX Rear Derailleur 10-speed (RD-RX400) The North Face The pedal's integrated cage protectsWith an integrated chain stabilizer mechanism, the SHIMANO GRX derailleur provides a quieter experience and shifting security and precision on mixed terrain. For rides on smooth surfaces, the derailleur features and ON OFF switch for the chain tensioner. Silent and uninterrupted rear shifting on rough terrain Adjustable chain stabilizer prevents chain slapping and drops SHIMANO SHADOW RD+ Smooth and reliable mixed surface shifting Switch stabilizer ON