Type: hydraulic Adjustability: reach adjustment range (10.9 mm) Compatibility: DURA-ACE R9100 Series Includes: right or left lever Claimed Weight: 253g The Shimano Dura-Ace ST-R9120 Hydraulic Shift/Brake Levers give us the freedom to dial in fully customized shifting and braking for our 11-speed road drivetrain. The shorter lever stroke gives us lightning-fast and intuitive shifting, and the 10. 9mm reach adjustment allows us to dial in a precise lever position to fit a wide range of hand sizes.