PVD Head Tube

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While I get tooled up for a nice light steel integrated head tube, I have started doing a high quality 4130 machined head tube.

I made this tube for my wife's new bike. A 4.500" head tube for 1 1/8". Only 49 grams! Crazy light!

The weigh in:
PVD-Headtube-1.jpg
Stock. 1.500"x.083" 4130
PVD-Headtube-2.jpg
Clean up the end for the live center.
PVD-Headtube-3.jpg
Marking start and stop points.
PVD-Headtube-4.jpg
Roughing out to 1.400"
PVD-Headtube-5.jpg
Finished to 1.375" OD.
PVD-Headtube-6.jpg
Cut the rings to 1.438"
PVD-Headtube-7.jpg
Clean up the ends after cutting off.
PVD-Headtube-8.jpg