J-62

Super light weight for Road bike race

CNC precision machined to very tight tolerances for ultimate performance and wear.

Tange Seiki exclusive Super light bearing 7G on upper unit

Tange Seiki exclusive EZ system on upper unit.


Technical Information


  Material   Height Information
Top Cover A6061-T6 Light Alloy 10.4mm ID 28.6mm/ Pre-assembled Compression Ring and seal ring (pat.p)
Upper Stationary Cup A6061-T6 Light Alloy 20.9mm Insertion 34.0 +0.1 -0/ 10mm depth
Lower Stationary Cup A6061-T6 Light Alloy 23.2mm Insertion 34.0 +0.1 -0/ 10mm depth
Crown Cone SS41 Steel 5.0mm Insertion 30.0 +0 -0.1
Cartridge Bearing x 2 Hybrid Light Alloy #1508HB 41/30.2/6.3
Lower Seal Ring Nylon Plastic 1.0mm