Shimano GRX BR-RX400 Flat Mount Hydraulic Disc Brake (Black) HSN-39269091 Material- Aluminum / Engineering grade

Material- Aluminum / Engineering grade polymer

Advantages of our special Oval chainrings for Shimano XTR M9100 :

Featuring three vented lens options and adjustable temples

And the overall bib shape also improves the cooling factor

Extended wheel base for better stability

Shimano GRX BR-RX400 Flat Mount Hydraulic Disc Brake (Black) HSN-39269091 Material- Aluminum / Engineering gradeSHIMANO GRX Flat Mount Hydraulic Disc Brake Brake Caliper With a low profile Flat Mount design, the SHIMANO GRX BR RX400 hydraulic disc brakes provide greater control for mixed terrain riding. Features Never hesitate to tackle rough surfaces Simple set up and maintenance Excellent heat dissipation Convenient tool access Simple wheel replacement Specifications Groupset Series Shimano GRX Type Brake Caliper Brakepad Compound Resin Recommended Rotor