The sentier vrs vituss super light 6061 t6 alloy frame has been triple butted to reduce weight and tune the tubeset for improved handling and all round performance with optimal standover clearance and superior lateral stiffness through a 142mm x 12mm through axle configuration they have also made these frames reverb stealth compatible performance for 2017 vitus have increased standover clearance and have also improved lateral stiffness by adding a 142mm x 12mm through axle configu