Bar fly 4 prime aluminium handlebar mountthe 4 prime aluminium handlebar mount from bar fly is strong, lightweight and stylish. Ideal for mounting your cycle computer in an easy to see position on your bike's handlebars, this mount is compatible with the leading brands and features a gopro style mount.aluminium cycle computer mountbar fly's prime mount. Cnc machined from 7075 aluminium. Dual mounting positions to accommodate both small and large computers. Engineered aluminium construction provides the ultimate front camera mount. Di2 eps mount cleans up the cockpit. Computer can be used simultaneously with either a di2 eps mount, gopro, or light only 1 accessory can mount on bottom. Compatible with 31.8mm and 35.0mm handlebars. Compatibility 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 powertap joule cateye wireless models padrone, strada, micro, velo bryton 100, 300, 310, 330, 530, 10, one, 410 lezyne micro, mirco c, mini, macro, super and superse lezyne computer head is sold separatelyin the box bf4 prime aluminium mount with position plate and hardware 7 computer heads garmin, polar, wahoo, mio, joule, cateye, bryton gopro base light mount di2 eps mount shim for 31.8 handlebarsbuy bar fly accessories from chain reaction cycles, the world's largest online bike store.