Feature●Clean up your cockpit – Bar Fly 4 TT mounts your computer and camera or light on your bicycle on forward-facing Time Trial or Triathlon bars●Computer & Camera Compatibility: BF 4 TT includes replaceable heads for Garmin mount, Wahoo mount, Bryton, Cateye, Polar, Mio and Joule computers. GoPro base (3-fins) can hold a GoPro camera or any camera or light with a GoPro (2-fins) adapter●Handlebar Compatibility: BF4 TT is compatible 24.0mm diameter bars and includes a shim for 22.2mm. You need 12mm (1/2”) of round clamping space on the right-side bar. The Universal Light Mount will hold a small flashlight up to 1” diameter using silicone bands●Durable Construction – BF4 TT accessory mount is created from advanced injection moulded co-polymer. It is strong enough to keep your electronics where you want them no matter how bumpy the road●In the Box: 4 TT comes with 7 Computer heads for your bike: Garmin, Polar, Wahoo, Mio, Joule, Cateye, Bryton, GoPro Mount Base, Universal Light Mount, and shim for 22.2 handlebarsDescription The Bar Fly 4TT is a mount designed specifically for TT and Tri bike extensions to increase the field of vision for riders. This mount, created by the inventors of the original out-front computer mount, has been proven and wind tunnel tested to save riders 7sec/40k. It clamps to the extension bars and centers the computer between them. Includes the following in Box: Computer heads (see below for complete list), GoPro/Finned mount, Light mount. Computer compatibility: Garmin Edge Series 200, 500, 510, 520, 800, 810, 1000, Touring, GarminWatches 910XT, 920XT Polar M450, V650 Wahoo ELEMNT Mio 500, 505, 505HC Magellan 315, 505 Powertap Joule Cateye GPS/Wireless Bryton 100, 300, 310, 330, 530, 10 and One.