Tighten up your frontend with these slick triple clamps. Machined from domestic 6061T-6 aluminum, these triple trees will squeeze your front suspension down to 7? centers. That means for 39mm tubes you will have approximately 5 7/16? between your tubes and approximately 5 3/8? between 41mm tubes. Sold as machined. Designed to use stock ’87-’99 HD Narrow Glide stem.