GRX FD-RX400-F 2x10 Speed Braze-On Front Derailleur, 46t Max Chainring housing end caps Vents and air channeling are

Vents and air channeling are optimized for all day park sessions

the high-damping GRIPTON® T9 compound rebounds slowly to grip and stick to the ground for total traction and control

Silicone-infused fabric cuff provides a gently

8 mm Allen wrenches

you can have the peace of mind that you won't be plagued with flats

GRX FD-RX400-F 2x10 Speed Braze-On Front Derailleur, 46t Max Chainring housing end caps Vents and air channeling areGRX FD RX400 Front Derailleur An ergonomic power curve and link (toggle) construction help to provide a natural stroke feeling when shifting An additional 2. 5mm is added to the chainline to provide more room for wider tires Compatible only with ST RX400, ST RS405, SL 4700, ST 4720, and ST 4725 shift levers Compatible with up to 42mm tires Link (toggle) construction allows for more cable routing options Integrated cable tension adjustment 16t total