Titanium Twenty Niner Mountain race bicycle.
Mark Lynskey gives a very clear description of how the design and function of the Toptube and Downtube affects the lateral stiffness and rigidity of the Headtube area of the twenty nine inch Mountain Bike. Specifically showing the new Helix technology tubes we are incorporating into this years 2010 PRO29 from Lynskey. 423.499.5815