The Cortina front fork model U4 Family is a specific size of 28 inches with a diameter of 1-1/8x305. This front fork has a beautiful pink matte color and is suitable for the Cortina U4 D bicycle. The fork is fixed and has a thread length of 55. It is a sturdy fork with a tube length of 31 and a fork brake system with drum brake. With a steerer tube diameter of 1.125 inches, this front fork is perfect for your 28 inch bicycle. Product specifications - Size: 28 inch, 1-1/8x305 - Color: Rose Matt - Brand: Cortina - Primary base color: Pink - Type of fork: Fixed - Ahead/thread: Thread - Thread length: 55 - Dynamo hook: No - Suitable for wheel size: 28 - Adjustable: No - Lock out: No - Tube length: 31 - Fork brake system: Drum brake - Steerer tube diameter (inch): 1.125