LIXADA Carbon Fiber Road Bike Bicycle Aero Bar Rest Handlebar Aerobar 31.8mm Ultralight 3K Gloss Full Carbon Road Bike Handlebar Bent Bar 31.8 * 400mm Easy to install. Constructed of ultra light and strong carbon fiber. Good finish, exquisite workmanship and nice touch feeling. Suitable for handlebar with diameter 31.8mm. Great for touring riders seeking comfort, and triathlon riders seeking speed. Suitable for road bikes and fixed gear bikes.