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The precision-engineered Wolf Tooth Dual Bolt Seatpost Clamp secures your seatpost with extra protection to prevent the post twisting or slipping down into the frameThe bottom half of our clamp grips the seat tube and the top half grips the seatpostAt the heart of this seatpost collar are our custom self-aligning bolt and anchor. The M5 bolt includes spherical washer and mates with a cylindrical anchor barrel. This means that threads are always perfectly aligned, preventing binding and ensuring consistent clamping force.  

  • Clamping Diameter: 31.8mm seat tube and 27.2 seatpost
  • This clamp will not work on a seatpost that has been shimmed to fit in a larger seat tube because BOTH the seat tube size and the seatpost size need to match the collar
  • Works on carbon frames
Finding the correct diameter of the Dual Bolt Seatpost Clamp:
The clamp needs to match both the diameter of the seat tube on your frame and the diameter of your seatpost. Frame material thickness can greatly affect the diameter of the seat tube compared to the seatpost. Verify using a calipers or check your frame and seatpost manufacturer specifications.
  • Weight:  46.5g
  • Material:  6061 T6 aluminum, M5 stainless steel bolt with integrated washer
  • Tool interface:  4mm hex key
  • Torque spec:  6 Nm Max
  • Made in the USA