This lightweight Specialized factory replacement seatpost collar features a 34.9mm internal diameter and a titanium fixing bolt for an optimal balance of strength, corrosion resistance, and low weight. Designed for a wide range of Specialized mountain, e-MTB, and active bikes, it delivers secure seatpost clamping while maintaining a clean, minimalist appearance. Specifications Inner Diameter: 34.9mm Material: Alloy collar Bolt Material: Titanium Maximum Torque: 55 in-lbf (6.2 Nm)