For what it is worth,i have been using Cabrinha kites for the past 3 years, i am 63kg and use CO2 kites 2004 7.5/10/12/14 and i would reccomend 14m and 10m.The 10 is very powerfull for it's size and gets planning as soon as the 12 but can be held in stronger winds, the 14 is a very usefull size with...