4130 Chromoly headtube. 44mm straight
43.6mm bores undersized for post weld reaming
15mm cup insertion depth.
45mm ID relieved center
48mm OD (1.875”) miter diameter
50mm OD collars
Length measurement is +.5mm for post weld facing
Made in Pinewood Springs, Co.
4130 Chromoly headtube. 44mm straight
43.6mm bores undersized for post weld reaming
15mm cup insertion depth.
45mm ID relieved center
48mm OD (1.875”) miter diameter
50mm OD collars
Length measurement is +.5mm for post weld facing
Made in Pinewood Springs, Co.
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