The PowerMadd Adjustable Height Riser lets you instantly raise or lower your handlebars up to 2.875". Want to go from trail riding to stand-up boon-docking? No problem. Want to share a sled with someone who likes there bars at a different height? No problem. Want the ability to dial in the exact perfect bar height? No Problem. Minimum height of the Adjustable Riser is 4.875" and maximum is 7.75" giving you almost 3" of adjustability. The Adjustable Riser is easy to install on any "T" style steering post! It works with both the wide and narrow T-posts. If you have a flat top steering post, you'll need to add a pivot adaptor which will add another 1.25" in height. Make sure to check your cable slack. PowerMadd offers throttle cable and brake line extensions.