Velo Orange Threaded Headset - Caged Bearing French EC30 /25.0-1.0 Upper | EC30/26 Lower Silver Number of Compartments-4 sealed bearings and a medium

sealed bearings and a medium high spoke flange

allows you to ride longer and faster

and 36T-38T = -1mm

and the following hex bits 1

Velo Orange Threaded Headset - Caged Bearing French EC30 /25.0-1.0 Upper | EC30/26 Lower Silver Number of Compartments-4 sealed bearings and a mediumTop of the line Velo Orange 1" headsets offer provide smooth precise and durable movement for classic bikes. Lower Stack Height 10. 3 Upper Stack Height 30. 7 S. H. I. S Upper EC30 S. H. I. S. Stem Clamp Diameter 25. 0 1. 0tpi Quill French S. H. I. S Lower EC30 Color Silver Crown Race 26. 4 Bearing Type Caged Ball Weight 113 Defined Color Silver Stack Height 41 Upper Model EC30 25. 0 1. 0