Shimano CUES BL-U3030 Brake Lever Bring The Ergonomics The Shimano CUES U3030 left-side brake lever brings the ergonomics developed for their 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. Features For use with mechanical disc brake calipers Ergonomic lever design inherited from Shimano's high-end mechanical Dual Control Levers offers better control Left-side only | Shimano | Cues Bl-U3030 Brake Lever Left | Aluminum