Features 1、Premium Material: Made of premium aluminum alloy and titanium alloy, the bicycle wheel skewer has low density, high strength, light in weight, good performance. 2、CNC Cutting: Adopted exquisite CNC milling and anodic coating, the bike quick release levers show sturdy metal texture and craftsmanship. 3、Suitable: The bicycle titanium alloy skewers are suitable for 100mm front hub and 135mm rear hub and most disk brake, not suitable for 74mm or 130mm mountain bike hub or V shaped brake and C shaped brake. 4、Lightweight: In order to achieve lightweight, the bike quick release skewers adopts a lightweight titanium alloy shaft and a personalized shape. 5、Anodic Oxidation: The fastening spring is made of stainless steel, gasket is made of copper, nut and handle are made of aluminum alloy, all of them are processed by anodic oxidation. Item Type: Bicycle Wheel Skewers Material: Aluminum Alloy, Titanium Alloy, Stainless Steel, Copper Weight: 49g/1.73oz Suitable Bike Hub: For Front Hub 100mm/3.94in, For Rear Hub 135mm/5.31in, Most Bikes Can Use Package List 1 x Front Hub Quick Release Lever 1 x Rear Hub Quick Release Lever