Shimano CUES ST-U6030 Shift/Brake Lever with BR-U6030 Hydraulic Disc Brake Caliper - Left/Front, 2x, Flat Mount Caliper,The Shimano CUES ST U6030 dual control lever inherits advanced features from their renowned 105 series. Its updated lever position and bracket designs were developed through extensive research on different hand shapes. Designed specifically for widely used 160 mm rotors, the Shimano CUES BR U6030 flat mount Hydraulic Disc Brake features an integrated design that eliminates the need for a separate adapter. Its simple and lightweight 2 piston