There is Tange Seiki in the head parts world.
Isn't there anyone who has never used Tange Seiki head parts?
Made of lightweight aluminum, it is an NJS certified product that is not certified except for products that have cleared strict conditions even from the world's perspective.
Compatible with classical threaded forks.
JIS standard and ITA standard exist depending on the inner diameter of the head tube, so please check before purchasing.
|Lock nut||A7075-T6||Light Alloy||8.7mm||8 flats 32mm width, 5.7mm Threading|
Washer with key
|Adjust cup||A7075-T6||Light Alloy||13.5mm||8 flats 32mm width, 6mm Threading|
|Upper bowl||SCM415||Cr-Mo||15.0mm||Insertion 30.0 +0.1 -0, / 30.2 +0.1 -0 / 9mm depth|
|Lower bowl||A7075-T6||Light Alloy||20.0mm||Insertion 30.0 +0.1 -0, / 30.2 +0.1 -0 / 10mm depth|
|Crown race||SCM415||Cr-Mo||6.0mm||Insertion 27.0 +0 -0.1 / 26.4mm +0 -0.1|
|bearing||Cr-Mo Balls||#300||5/32 "x20 Balls|