The complete opposite of his sister, Kees is the sprinter... the green jersey guy... he's so big and strong for his age that I've seen him pull his front wheel off the ground repeatedly in sprints for the finish line! In his first mountain bike race, as an 8-year old he outsprinted all the 10-year olds off the start to hit the trailhead first! He'll hold his own in short power climbs, but as could be expected he doesn't like extended climbs. He also has phenominal bike-handling skills, and has since he started riding. He learned to clip in at 5, and I think it took him all of five minutes! Isn't it cool how kids, with their open minds, can learn something in 5 minutes that often takes adults 5 days to get the hang of!