Description Full CNC machining riser, Made by aluminum alloy material, durable, rustproof and easy to use. This riser are only suitable for mountain bike and road bike. Please measure the handlebar and fork diameter of your before purchasing. Feature - Color: Black. - Material: Aluminum Alloy. - Size: 10 x 5 x 5cm. - Constructed of high-strength aluminum alloy, fine workmanship. - Easy to install. 4 screws fixed, steady and easy to use. - Fit for handlebar diameter 31.8 mm, please check your handlebar size and choose right model accordingly. - The tool mark of surface processing has rough feeling, reduces the position of the handle, increases the stability of control, and the eccentric front cover design makes the handle and the handle bar riser flat as a whole. Warm Tip: Dear buyer, Due to lighting effect, monitor's brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you. Constructed of high-strength aluminum alloy, fine workmanship. Easy to install. 4 screws fixed, steady and easy to use. Fit for handlebar diameter 31.8 mm, please check your handlebar size and choose right model accordingly. The tool mark of surface processing has rough feeling, reduces the position of the handle, increases the stability of control, and the eccentric front cover design makes the handle and the handle bar riser flat as a whole.