Light and wide using a 17mm internal rim width with a 25mm wide tyre the ksyrium wheelset boasts low rolling resistance and extra comfort in every ride weight is kept to a minimum using mavics patented concept ism stiff and dynamic to create greater lateral stiffness mavic use isopulse lacing with straight pull bladed spokes isopulse optimises energy transfer from the rider to the wheel whilst the bladed spokes enhance the wheels aerodynamic properties mavic durability with hig