Features 1、Applicable Size: 20 inch specifications compatible with 406 451 wheels. 20 inch 406 wheels can use 2.25 tires, 20 inch 451 wheels can use 20 1 1/8 and 20 1 3/8 tires. 2、Carbon Fiber Material: The bike front fork is made of full carbon fiber material, it not only has the inherent characteristics of carbon material, but also has the softness and processability of textile fiber. The specific gravity is less than 1/4 of steel, but it is very strong and has excellent corrosion resistance. 3、Precise Manufacturing: Straight tube bike front fork, producing professional products from a professional perspective, so that the product performance is stable and the reliability is high. 4、Lightweight and Strong: The appearance is generous and simple, the material selection is light and strong, high end ambience, high grade. 5、Replacement Accessories: This mountain bike accessory can be used to replace old or damaged original parts, perfect replacement parts. Item Type: Bike Front Fork Material: Carbon Fiber Gross Weight: 742g / 26.2oz Specifications: 20 inches compatible with 406 451 wheels, Disc brake A pillar (with two M5 disc brake screws) Straight Tube, Upper Tube Diameter: 28.6mm / 1.1in(1-1/8) Base Diameter: 3.0cm / 1.2in Upper Pipe Length: 40cm / 15.7in Fork Crown Height: 3.5cm / 1.4in Fork Crown Width: 5cm / 2.0in Fork Foot Opening: 100mm / 3.9in Fork Foot Length: 29cm / 11.4in Disc Hole Center Distance: 74mm / 2.9in Applicable tire specifications: 20 inch 406 wheels can use 2.25 tires, 20 inch 451 wheels can use 20 1 1/8 and 20 1 3/8 tires Package List 1 x Bike Front Fork