DescriptionFashion design Specification: Material: Aluminum Alloy Color: Red Black Suitable for Garmin and for Gopro and for Bryton and for Cateye Size:8 x 4.2 x 2cm(3.14 x 1.7 x 0.8in) Weight:66g Compatible with: For Garmin GARMIN1000820810800 520510500200 For BrytonR530/R330/R310/R100 For CateyeAll model Features: This stem extension mount is made of qualified aluminum alloy solid firm and durable to use. With this kit you can mount the GPS or Gopro camera on the handlebar easily. It is a extension mount holder for gopro garmin computer and sports camera and other accessories. Easy and convenient to use. Package included: 1 x Bike Extension Bracket 1 x Mounting Base for Garmin 1 x Mounting Base for Bryton 1 x Mounting Base for Cateye 1 x Mounting Base for Gopro 1 x Light Holder 8 x Screws There is 2-3% difference according to manual measurement. please check the measurement chart carefully before you buy the item. 1 inch = 2.54 cm Please note that slight color difference should be acceptable due to the light and screen. Brand: Unbranded Category: Kayak Accessories Colour: Black Note: 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.