REC-MOUNTS Cannondale HollowGram SystemBar KNOT/SAVE Combo mount CAADα+GP NEW | eBay
Cannondale launches SystemSix, “the world's fastest road bike” | road.cc
Cannondale HollowGram Knot SystemBar 125 mm Handlebar, Black | Bikeinn
The Sticky Bottle - -17° Cannondale Hollowgram Knot bar stem system fitted with the integrated mount. Holds a cycling computer and all your devices below with the removable Gopro adapter and also