Stem combines high strength with ultra-low weight; the use of two independent, C-shaped handlebar clamps allows the stem body material to be reduced to a minimum, whilst maintaining an incredibly stiff and strong structure, CNC machined 6082 aluminum body 7075 aluminum clamps, Unique 240? C-shape clamps, Minimal 6-bolt design, U-shape cradle clamp eliminates handlebar stress raisers found with traditional stems, Ultra-wide 64 mm clamp width