Compatibility: this bicycle mount with headlight holder compatible with Bryton Cat eye etc. most of the stopwatch. It is widely used in road bikes with 25.4 mm and 31.8 mm handlebars allows you to easily display performance data on your stopwatch.Versatile: compatible with smart headlight sports action camera flashlight stopwatch.Material: made from aluminum alloy. It is strong enough to keep your electronics where you want them on your bike no matter how bumpy the terrain is.Safe: we are confident that by the bike mount you can be sure that you have chosen the best way to lock your computer securely and position perfectly on your bike so you can have fun or go fast.Easy to install: mount the handlebars of your bike in less than 60 seconds. Thanks to the convenient tool-free installation installation and disassembly on any bicycle handlebar is very easy. Only need to locate and secure the lock nut.Specification:Product Name:Bike Computer Mount BracketColor: black silverMaterial: aluminum alloySize: (L*W*H) about13*4.8*3.2cm/5.12*1.89*1.26inchPackage Includes:1pc*extension rack1pc*Bairui Teng computer base1pc*car light deck1pc*cat&039;s eye computer base1pc* camera deck1pc*card slot2pc*gasket6pc*screw2pc*hex wrenchNote:1. Due to the light and screen difference the item&039;s color may be slightly different from the pictures.2. Please allow 0.5-2 cm differences due to manual measurement.