Description:With ergonomic handle contour design, the thumb shift is easy to use and install. The gear indicator (OGD) is convenient for you see the speed changing.With fine workmanship, the thumb shift has smooth shifting performance, good balanced routing way of the shift levers and the brake levers, which sets up a buffer device to reduce noise.Made of metal high quality ABS material, the product is lightweight, wear-resistant and durable.The length of this product is 16.5cm, the width is 13cm and the height is 6.5cm.It's suitable for mountain bike, road bike, etc.Item Name: Thumb ShifterMaterial:ABSColor: BlackModel: SL-M370Size:16.5cmx13cmx6.5cm/6.5inx5.12inx2.56inNotes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:2 X Thumb Shifters (with Brake Cable)