The thomson carbon riser bar is 750mm wide and offers 12mm 12 inch of rise together with a 6 backsweep and 4 upsweep built for strength with enough flex built in for all day comfortstrong enough for all mountainfreeride light enough for racingbars are made with three different fiber types with different tensile strength and tensile modulus including high strength carbon fibers this helps to allocate stiffness and flex where needed the bars are molded with an eps mandrel inside to avoi