The Radius Handlepost VRO type is forged from aluminum for strength and features patented Fusion™ technology for an incredibly stiff coupling with the frame and fork. The Radius VRO is designed specifically for use with the Syntace VRO handlebar system. It achieves a highly adjustable riding position when using the Syntace VRO adjustable handlebar system. It does not include the VRO clamps or the handlebar itself.