SRAM Apex Flat-Mount Mount Disc Brake Caliper - Black MFPN=WB-17-5206 They are engineered to use

They are engineered to use the largest possible ball size and are filled with high-pressure waterproof lubricant

Stryke Kage water bottle cages made of Nylon and Fiberglass

The Surly Rear Disc Rack is made of tubular CroMoly steel and is specifically designed to fit frames with seatstay-mounted disc brakes like the Straggler (650b and 700c) Krampus and Karate Monkey

Campagnolo compatible

}RockShox Fork Service Kit Basic: Sektor RL Solo Air (2012-2016)

SRAM Apex Flat-Mount Mount Disc Brake Caliper - Black MFPN=WB-17-5206 They are engineered to useSRAM Apex Flat Mount Mount Disc Brake Caliper Black. Apex HRD Disc Brake CaliperForged aluminum disc caliper features a 2 piston design Built on SRAM's HydroHC brake platform Compatible with 160mm and 140mm brake rotors TECH SPECS Defined Color Black Brake Caliper Type Flat Mount Brake Lever Actuation Hydraulic Rotor Included No Hydraulic Fluid Type DOT