Dajia Cycleworks Accessory Mount for Threadless Stems
Need more handlebar room for your computer, head light, phone holder, GPS? This neat accessory mount attaches by replacing two of the bolts of your VO, or other, stem faceplate.
The spacing between the 5mm bolts is adjustable, so it should fit a wide variety of threadless stems.
The clamp area is 31.8mm.