Precision-engineered 12-speed Dura-Ace STI lever set for the ultimate in powerful braking and effortless shifting. Shimanos latest Dura-Ace range features wireless shifting making it the global choice for road racing’s elite riders.

Dura-Ace Di2 12-Speed STI are lightweight thanks to carbon fibre lever blades, carbon composite bracket body, and a titanium clamp band / fixing bolt. The new compact shape features adjustable reach settings making them perfect for all riders.

Shift and brake cables routed under the bar tape using Polymer coated inner wires make for a smooth shift action, providing faster, lighter shifting. Modulation to the rim brake is smooth and efficient providing powerful braking.

• Weight: 230 grams per pair
• 12-speed shifting
• Wireless technology
• Adjustable reach
• Compact hood design
• LED indicator on hoods
• Rim brake specific
• Levers are supplied with brake cables
• Clearly defined click feeling with ergonomic shift lever
• Hood shape and texture optimize grip and brake power transmission
• Model numbers: ST-R9250-R & ST-R9250-L