The bontrager elite 7 degree 318mm stem is a new alloy stem featuring their seamless accessory integration when using blendr elite the 4 bolt dual band clamp retains stiffness and reduces weight at the same time the steerer clamp uses an opposing 2 bolt design to give even clamping the m5 bolts are countersunk to give a clean finished look and a nice corrosion resistant finish the clamps are compatible with both alloy and carbon steerer tubes and handlebars available in black or white in