AEffect 35 stem is a new design that brings the advantages of 35 to the XC/Trail crowd at a mid-level pricepoint while maintaining a refined Race Face look. Forged and machined from 6061 aluminum Interlocking 4 bolt bar clamp secures your bar and distributes loads away from bolts and into the body Built for: XC Trail Size: 50, 60, 70, 80, 90mm Rise: + or - 6° (reversible) Bar Diameter: 35mm Stack Height: 39mm Weight: 155g (60mm) Colour: Black .