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The precision-engineered Wolf Tooth Seatpost Clamp secures your seatpost and looks good doing it. At 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. 

Machined from 6061 aluminum in our Minneapolis facility.

Compatibility

Clamping Diameter:

  • 28.6mm/29mm
  • 29.8mm/30mm 
  • 31.8mm/32mm
  • 34.9mm/35mm
  • 36.4mm
  • 38.6mm/39mm
  • 39.7/40.0mm

Frames may vary slightly from the nominal diameters due to tolerances and paint thickness. Clamps will fit on frames that are within +/- 0.5mm of specified size. For example, a 34.9mm clamp will fit frames with a seat tube measuring from 34.4mm to 35.4mm in diameter.

Clamping height: 13.5mm

Not compatible with Ibis carbon bike frames.

Note: The seatpost clamp should match the diameter of the seat tube on your frame and not the diameter of the seatpost itself. 

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Tech Specs

Weight:  29.8mm • 18g  |  31.8mm • 19g  |  34.9mm • 20g  |  36.4mm • 20g  | 38.6mm • 21g | 39.7 • 24g
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

Patent and trademark information

WARNING Handling this product will expose you to chemicals, including lead, known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For further information go to www.P65Warnings.ca.gov.