🚴♂️ Elevate Your Ride with Style and Safety! No tools required! Simply buckle it in for a hassle-free installation. CNC-cut with anodized finishes, making your bike a head-turner on every ride. Crafted from premium aluminum alloy, ensuring longevity without the extra weight. Wavy surface increases friction, providing a secure grip for safer rides. Seamlessly convert smaller handlebars to fit oversized stems for ultimate customization. 25.4 to 31.8 mm Aluminum Alloy Easy Installation The 1Pair Bike Handlebar Shim is a lightweight, corrosion-resistant aluminum alloy adapter that allows cyclists to convert smaller diameter handlebars (25.4 mm) to fit oversized stems (31.8 mm). Featuring a wavy design for enhanced grip and safety, this shim is easy to install and adds a stylish touch to your bike with its anodized finish.