Upgrade your bike with the split aluminum thumb shifter bike accessory speed controller, designed for precise and reliable gear changes. This product includes a split thumb shifter with cable and an aluminum flat shifter, providing a robust and efficient solution for all your cycling needs. Suitable for various terrains and riding styles, it ensures smooth gear transitions and enhances your cycling experience. The easy installation process allows you to quickly improve your bike's functionality. Features -Color:Multi -Material:Aluminum -Size:10.80X5.00X3.50cm/4.24X1.97X1.38in -Comfortable ergonomics: the ergonomic design of this split aluminum shifter ensures a comfortable and , making it easier to control your bike -Simple installation: the split design allows for quick and easy installation and adjustment, making it a convenient option for cyclists of all levels -Smooth and flexible: the included cable allows for smooth and flexible operation, giving you better control over your bike's performance -Lightweight and durable: made from lightweight aluminum, this shifter is both easy to handle and durable, ensuring performance -Accurate speed adjustment: the speed controller offers accurate speed adjustments, allowing you to make your own bike's speed to suit different riding conditions Package list: 2 Pairs x bicycle shifters