A motorcycle spreader clamp has a leg opening for holding a fork leg and a pinch arm defined by a pinch slot that starts from the leg opening and travels to a pinch arm outside face. A bolt opening on the pinch arm outside face has a machined bore within the bolt opening. The machined bore has a pinch thread machined to receive a pinch bolt. Spreader thread is machined to receive a spreader bolt, so that a user may use a spreader bolt to enlarge the leg opening, then install a fork leg, and then use a pinch bolt to secure the fork leg to the leg opening.