① Material: Silicone ② Size: 8.5*3.6*3.2cm/3.3*1.4*1.2" ③ Color: black ④ Features: - Product is lightweight. Does not affect the appearance of the bike and increase the burden of riding. - Adaptation: Bairton; Garmin; Magene - Installation steps: Install on the non-drive side, and press the flat side of the pedal to the inner crank, Wrap the belt around the crank and tighten it to hook the pedal sensor - Bicycle cadence sensor silicone protective cover, durable silicone material, can be extended twice, effectively prevent sand. ⑤ NOTE: - As we all know, different computers display colors differently, the color of the actual item may vary slightly from the following images. - If you feel difficult to choose the size, you can feel free to contact me, we will give you some suggestion, but it is for you reference only. - We could accept Mixed items, Colors And Sizes Order. The more quantities, the more ⑥ Package include: 1 pcs* Cadence sensor cover