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 7.6mm ID 28.8mm / Pre-assembled Seal ring
Compression ring A6061-T6 Light Alloy 6.0mm ID 28.6mm
Crown Cone SS41 Steel 4.5mm Insertion 30.0 +0 -0.1
Cartridge Bearing x 2 SUJ2 Steel #1508 41/30.2/6.3
Lower Seal Ring Nylon Plastic 0.7mm Insertion 30.0 +0 -0.1
Adapter Ring x 2 SPCC Steel 7.4mm