This is a Pro-Spec Front Wheel Spoke Kit. These are true-to-scale zinc-plated steel spokes for precise truing and durability on the Pro-Spec Aluminum Front Wheel. Replace spokes as needed with easily identifiable dots on the head of the spoke. Includes (18) Three Dot (55.75mm) Long Spokes and (18) Two Dot (54.25mm) Medium Spokes.