The Prime Direct 1 (PD1) bolts directly to the slotted faceplate of a Bar Fly-certified stem, putting your computer front and centre with no handlebar clamp needed.

Highlights

• Mounts against an elastomer spacer that softens vibration on your electronics
• Upgraded M4 bolt and brass sled nut interface allows a computer and light to be mounted at the same time
• Prime position plate offers 2 mounting positions for large and small computers
• 7 computer heads and a GoPro-compatible base included

In the box

• Bar Fly Prime Direct 1 aluminium mount
• Mount hardware including bolt, elastomer spacer and brass "sled nut"
• Screws for computer and GoPro adapters
• Prime position plate and 7 computer heads: Garmin, Wahoo, Cateye, Bryton, Omata, Polar, Mio
• Prime GoPro-compatible base, injection moulded, with knuckle bolt

Compatibility & fit

PD1 mounts only to slotted faceplates on Bar Fly-certified stems: Felt AR Stem; Cervelo Carbon ST-C026; Cervelo Ultra Light Aluminium (as used on R5, R3, C3 and S3); Fizik Stems (all); and 3T ARX II with slotted faceplate. It is not compatible with the Specialized/Roval out-front mount, which uses a different interface. Computer heads cover Garmin Edge 200 to 1030 and Touring, Garmin 910XT/920XT watches, Polar M450/M460/V650, Wahoo ELEMNT and BOLT, Mio 500-605HC, Cyclo and Magellan models, Cateye Wireless (Padrone, Strada, Micro, Velo), Bryton 100-530, 10, One and 410, and Omata (all). Lezyne and Powertap heads fit the same mount and are sold separately.