The Bar Fly Race Direct is a redesigned, lighter-weight 6061 aluminum computer mount for select stems. The Race Direct bolts directly to slotted faceplates on select stems, putting your computer front and center with no handlebar interference. The Race Direct comes with a Garmin bike mount installed, plus heads for 5 other popular brands of computers. The Direct features an adjustable view angle, and there is enough room for a large Garmin 1030 or Wahoo Elemnt. GoPro and light mounts are not compatible due to weight restrictions. Includes: Bar Fly Race Direct mount w/ bolt and "sled nut" Computer head mounting bolts 6 Computer heads: Garmin, Wahoo, Cateye, Bryton, Polar, Mio Compatible Stems: Cervelo Carbon ST-C026 Cervelo Ultra Light Aluminum 2019 Cervelo bicycles: R5, R3, C3 and S3 3T ARX II with slotted face plate (different than 3T logo plate, available for purchase separately from Bar Fly) Fizik Stems Compatible Computers: Garmin Edge Series 200, 500, 510, 520, 800, 810, 820, 1000, 1030, Touring Watches 910XT, 920XT Polar M450, M460, V650 Wahoo ELEMNT and BOLT Mio 500, 505, 505HC Cyclo 200, 205HC, 210, 315HC, 400, 405, 405HC, 505HC, 605HC Magellan 315, 505 Cateye Wireless models Padrone, Strada, Micro, Velo Bryton 100, 300, 310, 330, 530, 10, One, 410 Bryton Rider 60/ Rider 200/210 (Use Garmin head) Lezyne and Powertap computer heads below are not included with BF Race mounts but are available for purchase) Lezyne Micro, Mirco C, Mini, Macro, Super and SuperSE Powertap Joule