Spank Split 35 Stem - 45mm, 35 Clamp, +/-0, 1 1/8", Aluminum, BlackHighly weight optimized single crown stem, ideal for Enduro applications with 31. 8mm handlebars Human Factor Design features micro increment size options, tuned to fit any rider size and style human. Product Details: Chamfered barclamp to reduce stress risers and increase fatigue life in handlebars Forged 2 piece faceplate design reduces overall weight without compromising barclamp security or stiffness Human Factor cockpit setup index facilitates