Description: Product Type: Anti Lost Locator Mounting Bracket for MTB Bikes. Material: Imitation carbon fiber texture. It can install the tag locator under your bicycle seat cushion, and grasp the position of your car anytime. Portable: lightweight, does not take up space, easy to disassemble and carry out. The screw type is suitable for the seat bow size: 64mmx54mm, φ6.5mm-7mm. Bandage Type, universal, easy to install (optional). Note: The product is divided into screw type and bandage The screw type is fixed to the back of the seat cushion with screws. The bandage type can be fixed on the front and back of the seat cushion, and can also be tied to other places (optional). Specification: Material: Plastic Screw Type: 75mmx40mmx10mm Bandage Type: 45mmx40mmx10mm Package Includes: Bandage Type: 2 Bracket, 4 Bandage. Screw Type: 2 Bracket, 2 Screw, 1 Wrench . Note: Please allow slightly errors due to manual measurement and different monitors.