The Alpina v fork 18 Trial is a sturdy front fork that is suitable for wheel size 16. The fork has a black matte color and a fixed construction. With a tube length of 17 and a steerer tube diameter of 1 1/8 inches, this fork offers stability and reliability while cycling. The Alpina v fork 18 Trial is designed for trail riding and ensures a comfortable and smooth riding experience. Product specifications - Type: Trail - Primary base color: Black - Brand: Alpina - Color code: black matt - Fork type: Fixed - Ahead/thread: Thread - Thread length: 42 - Dynamo hook: No - Suitable for wheel size: 16 - Adjustable: No - Lock out: No - Tube length: 17 - Steerer tube diameter (inch): 1 1/8