The campagnolo bora one 50 tubular wheelset has taken on a wider rim profile moving from 205 to 242 mm allowing the campagnolo engineers to improve the aerodynamics and house wider tyres the wider tyres increase the contact patch between tyre and road thus improving grip and ride comfort the wider structure also represents an increase in structural strength and allows the engineers to remove the extra material used for structural integrity making the bora family the lightest it39s ever