The mavic ksyrium pro 700c wheel features wider rims for improved ride quality and a stepped up finish quality the ksyrium pro uses the same technology as the ksyrium pro sl which has set new standards for modern wheel building this wheel is equally at ease on fast rolling terrain or mountain courses for a couple of hours or an all day adventure this year mavic have introduced a new rim shape which is enlarged by two millimetres that might not sound much but when combined with 25mm tyres