Atlas is designed to bridge the needs of AM and FR/DH riders: light enough for AM, tough enough for FR and DH, providing the ultimate in versatility. FEATURES : Intended use is All Mountain, Freeride and Downhill 4-bolt bar clamp with interlocking u-shaped faceplate Opposing bolts on steerer tube clamp CNC machined from AL-6061 SPECS : Material: Aluminum Color: Black S.H.I.S. Stem Clamp Diameter: 28.6 Length: 50 Bar Clamp Diameter (mm): 31.8 Defined Color: Black Stack Height: 40 Weight: 150 Stem Angle (deg): 0