Joker Machine Upper Triple Tree For Harley Dyna Street Bob Upgrade the look of your bike with these air-craft inspired upper triple tree that are made from machined billet aluminum that will last for many years to come. One great benefit of these upper triple trees is that they accept almost any riser selection on the market. Features: Available in black or clear anodized finish Replaces the stock one option handlebar clamp, with mounting holes that accept almost any riser selection Aircraft-inspired design CNC-machined from billet aluminum Assembly includes 1/2-13 riser mounting bolts and Joker's custom steering stem nut