To reduce stem weight while retaining the proven stiffness and performance of the Atlas line, Race Face created the Atlas 35 stem. It's measurable stiffer than the 31.8mm stem, and although the build is larger, it saves in bar material making it overall lighter. The Atlas 35 is a strong addition to your aggressive trail or DH/FR build.Features: Crafted using durable 6061-T6 aluminum Four bolt bar clamp holds bar securely in position Utilizes interlocking U-shaped handlebar clamp geometry Faceplate eliminates stress risers, which can cause your bar to bend or break Opposing bolts on the steer tube clamp provides extreme clamping power and reduces stress on the steer tube