закажи парагоновский
http://www.paragonmachineworks.com/c...ion&key=HT0005
This headtube accepts all 44 mm headset cups. It is made from 3/2.5 titanium tubing and is relieved inside and out. The bearing bores are supplied .5 mm (.020") undersize to allow for post-weld reaming, and must be finished to size by the frame builder. The inside relief is 45 mm diameter. Both ends of the headtube are 50 mm outside diameter. The center relief on the outside is 1 7/8" diameter. The length is 105 mm. By using different headsets, this headtube can use forks with 1 1/8" and 1 1/2" straight steerers, and 1 1/8" x 1 1/2" tapered steerers.