Fully Integrated system

Lightweight and strong duraluminum alloy construction

Tange Seiki original sized 4T5 Cartridge Bearing

Inner adapter rings to avoid headtube deformation.(option)

Technical Information

  Material   Height Information
Top Cover A6061-T6 Light Alloy 6.7mm ID 25.6mm / Pre-assembled Seal ring
Compression ring A6061-T6 Light Alloy 5.0mm ID 25.4mm
Crown Cone SS41 Steel 3.4mm Insertion 27.0 +0 -0.1/ 26.4mm +0 -0.1
Cartridge Bearing x 2 SUJ2 Steel #1501 38.1/27.2/6.3
Lower Seal Ring Nylon Plastic 1.2mm Insertion 30.0 +0 -0.1
Adapter Ring x 2 SPCC Steel 5.3mm