SE's PK Ripper Elite XXL Frame features a 21.7-inch top tube for tall riders or those who like a roomy bike. 6066-aluminum comprises the frame and a bi-oval down tube delivers stiffness and strength—perfect for pushing your limits. Direct-weld stays ensure efficient power transfer to explode out the gate. And, with included chain tensioners, you'll easily dial in your rear wheel and keep your chain as taut as you like for tricks, racing, and everyday riding. The top of the podium is yours when you customize this versatile frame with your favorite component group.