Shimano CUES ST-U3030-L Shift/Brake Lever - Left 2x For Mechanical Disc Brake BLKShimano CUES ST U3030 L Shift Brake Lever Left 2x For Mechanical Disc Brake Black. The Shimano CUES ST U3030 left side brake shifting lever brings the ergonomics developed for our higher grade mechanical DUAL CONTROL LEVERS to a wider audience. With a design that comfortably fits hands of all sizes more riders than ever before can enjoy a better grip on the lever for smoother more intuitive control. Ergonomic lever design inherited from Shimanos high