Helix pro titanium road framelynskeys helix pro titanium road frame is an all out race machine as it is constructed using their race geometry and uses tubesets that are tuned to provide the ultimate in both agile handling and effective power transfer the helix pro is constructed with a race tuned 6al4v triangular top tube for optimum performance and durability a helixd 3al2 5v down tube that provides unrivalled stiffness and helix shaped seatstays that resist vertical forces for efficie