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 construction ensures reliable braking performance under all conditions. The Budding road and gravel riders will feel at ease thanks to this refined lever design the reliable performance of hydraulic disc brakes and the smooth intuitive shifting that Shimano CUES is known for.Refined lever shape shortens the reach distance allowing riders with a wider range of hand sizes to comfortably access the leverEquipped with a reach adjust mechanism can be adjusted to suit any hand size type of riding and individual rider preferences2-piston hydraulic disc brake caliper has a simple integrated design that is purpose-built for 160mm rotors (rotor sold separately)One Way Bleeding for quick and easy prevention of air in the hydraulic system