Wolf Tooth Seat Post clamp, Precision machined

Seat post clampClamp material:Aluminium 6061 T6,Screw material:Stainless steel M5 with integrated washerTool interface:4 mm hex keyTorque:6 Nm maxColour:Blue.Weight:29.8 mm - 18 g | 31.8 mm - 19 g | 34.9 mm - 20 g | 36.4 mm - 20 g | 38.6 mm - 21 g | 39.7 mm - 21 gCompatibility:Clamping diameter:28.6 mm/29 mm29.8 mm/30 mm31.8 mm/32 mm34.9 mm/35 mm36.4 mm/37 mm38,6 mm/39 mm39.7 mm/40 mmFrames may vary slightly from nominal diameters due to tolerances and paint thickness.Clamps will fit frames that are within +/- 0.5 mm of the specified size.For example, a 34.9 mm clamp will fit frames with a seat tube measuring between 34.4 mm and 35.4 mm in diameter.Clamp height:11 mm*Not compatible with Ibis carbon bike frames.Note :The seat post clamp must match the diameter of the seat tube of the frame and not the diameter of the seat post.