Bike Stem Extension Computer Mount Holder for GARMIN Edge GPS GoPro Bicycle 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. Product Description: Material: Aluminum Alloy Color: Red, Black Suitable for Garmin & for Gopro & for Bryton & for Cateye Size:8*4.2*2cm(3.14*1.7*0.8in) Compatible with: For Garmin： GARMIN1000，820，810，800， 520，510，500，200 For Bryton：R530/R330/R310/R100 For Cateye：All model 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