GRX Br-rx400 Flat Mount DISC Brake Caliper Type_Wax and a compact CO2 inflator

and a compact CO2 inflator or mini pump for roadside emergencies

a set of hex and Torx bit accessories

solid saddle cannot

How do SRAM 3

CO2 inflators inflate faster but you get one shot per cartridge — carry extras or you're stranded

GRX Br-rx400 Flat Mount DISC Brake Caliper Type_Wax and a compact CO2 inflatorThe Shimano GRX Br RX400 Flat Mount Disc Brake Caliper is built for gravel and mixed terrain riding where braking confidence cannot be compromised. Whether you are descending through the Western Ghats, navigating Pune's monsoon soaked roads, or pushing through gravel tracks near Coorg, this caliper delivers consistent stopping power across conditions that would expose a lesser brake system. Use Cases Daily training. Reliable use across Indian training