Lynskey pro cross titanium cx framelynskeys pro cross titanium cx is the best bike frame if you are looking to push the limits whether its busting a lung or mudslinging on the course tight cornering smooth racingthe tubeset which was already stiff has been enhanced with lynskeys updated 6al4v triangular top tube turning the pro cross into a tight cornering yet smooth racing mean machine the helixed downtube affords you the ability to speed up quicker after jumping on the bike from a di