Shimano Ultegra SL-RS700 Band-On Flat Bar Shift Lever 2-Speed Left Hand is designed for cyclists who prefer flat handlebars on their road bikes. These shifters offer precise control and are compatible with 11-speed drivetrains, making them a great choice for smooth and efficient gear changes. Key Features Designed in a mountain bike style, the Shimano Ultegra SL-RS700 Band-On Flat Bar Shift Lever 2-Speed Left Hand is perfect for road bikes with flat handlebars. Instant Release technology ensures quick gear shifts, moving the chain to the next gear without delay. Features a band-on mounting system for secure attachment. Multi Release allows for multiple gear changes with a single sweep, enhancing shift speed. 2-Way Release lets the upper shift lever perform Multi Shift functions, operable by thumb or index finger. Low-friction design provides a light, responsive action, reducing the effort needed for shifting. Includes an easy-to-read optical gear display for quick gear reference. Equipped with a barrel adjuster for precise gear tuning. Weighs approximately 210 grams per pair. This product is ideal for those looking to enhance their cycling experience with reliable and efficient gear shifting.