Hellore Lefty steerer tube for 1 1/8 frames

Finally received my Hellore, experimental prototype lefty steerer tube.

71 grams 

Used materials:
Butted UD tube specialordered from http://www.carbonfibertubeshop.com
The aluminum rings is machined in a CNC lathe for superior accuracy.
The glue is Loctite Hysol 9466 A+B.