The specialized demo 8 i carbon mountain bike 2017 delivers impeccable stiffness and strength in a light weight package creating the perfect platform for a true downhill racer fact 10m carbon makes up the frame for the demo 8 i carbon built off of a s3 650b geometry that provides a roomy top tube for added control ultra short nimble chainstays a low bottom bracket that keeps you feeling planted and a slack front end that provides the utmost in responsive handling at speed for the su