TC Bros Pro Series Pullback Truss Risers For Harley TC Bros. Pro Series Pull Back Truss Risers cater to riders seeking performance excellence. Crafted in the Usa, their skeletonized truss design strikes an optimal balance by reducing weight and enhancing rigidity. Precision CNC machining guarantees a flawless fit, blending style with performance seamlessly. Features: 1-1/2 inches of built-in pullback ensures a comfortable riding position Proudly made using state of the art CNC machining equipment and the highest quality 6061-T6 aircraft grade billet aluminum Choose from 6, 8, and 10 rise heights Available for 1 (Oem HD) or 1-1/8 (MX bar) clamp diameters Skeletonized truss design engineered using the latest 3D CAD finite element analysis (Fea) software ensures maximum rigidity without added weight Genuine 12 point ARP stainless steel hardware provides exceptional clamping power and great looks Available in a machined, raw finish, black anodized, or gold anodized finishes for added durability and style 3.5 inch center to center spacing Internally threaded to accept stock Harley 1/2-13 riser hardware Made in the USA