Profile Design Hammer and  Hammer OS is a forged 6061 T-6 aluminum stems available in standard 26.0mm or oversize 31.8mm. Available 90° rise, and 80° which is reversible for a 100° rise.

• 3-D forged 6061-T6 aluminum construction
• Available in 26.0mm standard or 31.8mm oversized clamp diameter (Hammer OS)
• Fits threadless 1" or 1-1/8"
• 70, 80, 90, 100, 110, or 120mm lengths with a 80° or 100° REVERSIBLE rise
• Shot peened and anodized finish for added strength and durability
• Matte black
• Weight154-190g