The mavic crossmax xl pro ltd 650b wheelset is the enduro wheel tyre system which is sported by pro riders whichever way you look at it all mountain is the essence of mountain biking whether you39re racing hard or just riding for fun these wheels ensure you get the best possible traction and control no matter how steep or technical it is if you enjoy riding up the mountains then ripping back down them the crossmax xl pro wheels are for you designed with toughness and dynamics in mind