Shimano Dura Ace Dual Control Di2 Shifters

Designed exclusively for triathletes and time trialists, the new system eliminates the need to change hand positions during shifting. Riders can change gears at the base bar (ST-9071) as well as the bar extensions (SW-9071) because the system in linked.

Electronic shifting | Stress free at the click of a button
Reach adjust mechanism | Customized lever position
Uni-directional carbon brake lever | Lightweight
Ergonomic design | Comfortable and intuitive
Internal wire routing | Guided through the bars for optimal aerodynamics
Multi-functional, advanced computer for scientific analyses of training and racing conditions

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