KLOUD City&reg;Gel Comfort and Anti-slip Soft Rubber Bike Bicycle Handlebar Grip with Aluminum Barend /Ox Horn Package included: 1 pair handlebar grip with OX horn Ergonomic design,TPR rubber material,and Bilateral lock design Aluminum alloy horns solid and durable and ward-and-backward adjusting according personal position,reduce physical burden, increase the efficiency of uphill riding,save energy and increase velocity Internal diameter:0.88" Handlebar length 5"