The split aluminum thumb shifter bike accessory speed controller is designed for cyclists who demand precise gear changes. This split thumb shifter with cable and aluminum flat shifter ensures smooth and reliable shifting performance. Ideal for mountain biking, road cycling, and daily commuting, it enhances your riding experience by providing quick and accurate gear adjustments. Installation is straightforward, making it a practical upgrade for any bike enthusiast. Features -Color:Multi -Material:Aluminum -Size:10.80X5.00X3.50cm/4.24X1.97X1.38in -Ergonomic design: the split aluminum shifter bike accessory features an ergonomic design, ensuring a more comfortable and during operation. -Easy installation: with its split design, this shifter is easy to install and adjust, making it a convenient choice for both amateur and practical cyclists. -Flexible operation: comes with a cable, allowing for more flexible and responsive control, enhancing your overall riding experience. -Lightweight aluminum: made from lightweight aluminum, is easy to control and does not add unnecessary weight to your bike. -Precise speed adjustment: the speed controller provides precise speed adjustments, allowing you to finetune your bike's performance to suit different riding conditions Package list: 5 Pairs x bicycle shifters