The future of xc a fully system integrated approach to race winning speed the future of xc is hereasymmetric integrationai our asymmetrically integrated drivetrain system allows us to create bikes with ultra short chainstays for traction handling and stiffness without any of the usual compromises in clearance or limited chainring options and as a nice bonus it creates a stiffer stronger rear wheel as wellballistec carbon frameballistec is cannondale39s proprietary method of high strength