The Aeffect 35 stem is a new design that brings the advantages of a 35mm bar to the XC/Trail crowd at a mid-level pricepoint while maintaining a refined Race Face look. ?FEATURES: Forged and machined from 6061 aluminum Designed for 35mm bars only Interlocking 4 bolt bar clamp secures your bar and distributes loads away from bolts SPECS: Material: Aluminum Color: Black S.H.I.S. Stem Clamp Diameter: 28.6 Length: 50/ 60/70 Bar Clamp Diameter (mm): 35.0 Stack Height: 39mm Stem Angle (deg): +6 , -6