The new boss of 39crossthe ultimate 39cross race machine the all new superx delivers the two things a today39s cross racer needs most stability and traction better than anything else on the market the ultralight weight stiffness and smooth ride are just icing on the cakeframe all new superx disc ballistec carbon speed save bb30 83 ai 142x12 thru axlefork all new superx disc ballistec carbon 1 18quot to 15quot steerer 100x12 thru axlerims mavic aksium dischubs mavic aksium di