Rolf prima elan disc clincher front road wheelthe elan disc combines rolf primas aerodynamic delta rim technology into an ultra lightweight wheelset perfect for the hills quick accelerations and the rigors of road training and racing all with the stop on a dime power and supreme modulation of disc brakes the rolf prima elan disc means choosing aero or light is no longer an eitheror proposition featuresrim material alloy clincherwheel size 700cspoke count 20spoke type round laserrim de