Description: Premium Material: This road bicycle fork is made from carbon fiber, ensuring its durability and lightweight feature for a smoother ride.Specifications: The vertical tube outer diameter is 25.4mm/1.00inch, the installation bottom bracket diameter is 26.4mm/1.04inch, and the front fork opening is 10cm/3.94inch.Professional Design: The bike front fork features scientific structure combined with carbon fiber enhances maneuverability while riding. Wide Application: This bicycle fork is universal for most bikes, great for outdoor bicycling, biking, riding, etc.Package Includes: Each package comes with 1 carbon fiber road bike fork, a great replacement front fork for repairing and maintenance. Specification: Material:?Carbon Fiber Size Chart: The outer diameter of the vertical tube is 25.4mm/1.00inch, the diameter of the bottom stop is 26.4mm/1.04inch, and the front fork is 100mm/3.94inch. Package Includes: 1?Road Bike Fork Note: Please allow slightly errors 1-2cm differences due to manual measurement.