Bike Handlebar Stem Riser Model No. 2012-9A is specially designed for mountain bikes and bicycles. Its main purpose is to increase the height of the handlebar, making it an ideal choice for long-distance riders. The product is made of aluminum alloy 6061 through precision cutting process, ensuring its strength. The three screws are made of steel and there are one 1CM and three 0.5CM aluminum alloy washers. Surface treatment: Aluminum oxidation. Upgrade your bike with this Bike Handlebar Stem Riser, which is designed to fit between the handlebar and front fork, increasing the height of your handlebar for a more comfortable ride. Made of durable and strong zinc alloy, this product is the perfect choice for long-distance riders. With its precision-cut aluminum alloy construction and steel screws, it provides exceptional stability and durability. The aluminum oxidation surface treatment ensures a sleek and stylish look. Get yours today and take your riding experience to the next level! Weight: 180g for 12cm, 195g for 13cm Color: black, silver, red, blue, gold (13cm) yellow, red, blue, black, silver (12cm) Material: aluminum alloy Quantity: 1pcs*bicycle stem