A Premium Seatpost Clamp for Precision and Style

The Wolf Tooth Components 31.8mm Blue Seatpost Clamp is a premium, precision-engineered bicycle collar designed to secure your seatpost while adding a vibrant pop of color to your bike build. Manufactured in Minneapolis, USA, this clamp is crafted from high-strength aircraft-grade aluminum, ensuring reliability, smooth clamping force, and an exceptional fit and finish.

Key Technical Specifications

• Clamp Diameter: 31.8mm (Note: Measures the outer diameter of your frame's seat tube, not the seatpost itself, and commonly pairs with 27.2mm seatposts).
• Material: CNC-machined 6061-T6 aluminum body with a premium anodized finish.
• Hardware: M5 stainless steel bolt paired with an integrated spherical washer and cylindrical anchor barrel.
• Weight: Extremely lightweight at approximately 19 grams for the bolt-on version.
• Installation Tool: Requires a 4mm hex key.
• Torque Spec: 6 Nm maximum.

Design Variations

Wolf Tooth offers this 31.8mm blue clamp in two configurations to suit your riding preferences:

• Bolt-On Version:
  Features a low-profile, lightweight design utilizing a custom self-aligning bolt system. This alignment mechanism ensures the threads remain perfectly straight, preventing bolt binding, reducing fatigue, and delivering perfectly even pressure around your seat tube.
• Quick Release (QR) Version:
  Includes an ergonomic, low-profile lever paired with a bronze bushing for incredibly smooth, tool-free saddle height adjustments on the fly.

Compatibility & Sizing Advice

• Frame Materials: Safe for use on carbon, aluminum, steel, and titanium frames.
• Frame Limits: Not compatible with Ibis bicycle frames.
• Sizing Check:
  Before purchasing, use a caliper to verify the outside diameter of your frame's seat tube, or reference the official Wolf Tooth Measurement Guide. The clamp accommodates normal frame paint and tubing tolerances within a +/- 0.5mm range.

This high-performance seatpost clamp is the perfect choice for cyclists seeking durability, style, and precision in their biking components.