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Aerodynamic Efficiency: The rim profile is optimized for aerodynamic efficiency
Idéal pour les passionnés et les cyclistes d'endurance qui recherchent la fiabilité du changement de vitesse électronique Shimano
whether you're ascending or descending
Enjoy the benefits of the innovative SmartX cylinder and make your iOS or Android smartphone your personalized key
Cyclists of all levels looking to add a practical
Manette de vitesses arrière Shimano Dura-Ace ST-R9100 lightspeed_id_LS_MATRIX_9579 Aerodynamic Efficiency: The rim profileThe pinnacle of mechanical braking and shifting, Shimano's Dura Ace R9100 shifters offer an extended reach of 20. 8mm, faster and more precise forward shifting, and are ergonomically designed to be more comfortable and easier to grip than previous versions, even after hours in the saddle.
