Zipp VukaBull Base Bar (40mm Drop / 31.8)Get your next time trial or triathlon off to the right start with Zipp's VukaBull Base Bar. It's the first thing you reach for when you blast out of the start gate, so Zipp takes extra care with the carbon layup to ensure you have the lightest, most robust bar possible. The slightly concave nose section and forward swept arms, along with the airfoil shape, reduce drag and stiffen the bar. Ergonomics are the key to comfort and speed, so it's available