The race face atlas stem is designed to bridge the needs of am and frdh riders light enough for am tough enough for fr and dh providing the ultimate in versatility raceface atlas stem features 6061 t6 aluminium four bolt bar clamp holds bar securely in position interlocking u shaped handlebar clmap geometry faceplate eliminates stress risers which cause your bar to bend or break opposing bolts on steer tube clamp provides extrem clamping power while r